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2021-2026 Buick Envision Generation Guide

Buick Envision 2nd Gen (2021-2026) ADAS Calibration & Module Programming

Covers model years 2021-2026 - one service guide for the whole generation.

Full ADAS calibration, module programming, and key security work for every Buick Envision built on this platform. Same-day mobile service across the Dallas/Fort Worth metroplex; mail-in accepted nationwide.

Platform GM VSS-F (compact crossover, 2nd gen 2021)
CAN Architecture HS-CAN (500 kbps); GM LAN; OBD2 DLC Pin 6/14
Security GM PEPS; rolling code; GDS2/MDI2

Get a Quote See Supported Modules

The ADAS, module, and security rows below are consolidated across the full 2021-2026 generation. A year badge marks rows that apply only to part of the span; rows without a badge apply to every year. Year-specific differences are summarized under “What changes across 2021-2026”.

OVERVIEW

Expert ADAS calibration, module programming, and diagnostic recovery for the 2023 Buick Envision. On this vehicle we cover documented systems include Forward Camera (Mobileye EyeQ4), Forward Radar (Bosch MRR), and Blind Zone Alert - Left Rear Radar (Aptiv SRR), this GM VSS-F (compact crossover, 2nd gen 2021) platform vehicle, GM PEPS Gen 3; BCM immobilizer immobilizer support. Mobile across the DFW Metroplex, mail-in nationwide for module-bench work.

Platform

GM VSS-F (compact crossover, 2nd gen 2021)

Production

2021-present

Trim Levels

Standard trim configurations for 2023 Buick Envision; verify trim-specific options before ordering modules.

Drivetrain

FWD / AWD

Engine

CAN Speed

HS-CAN (500 kbps); GM LAN; OBD2 DLC Pin 6/14

Feature availability 3

Buick Safety Assist: Automatic Emergency Braking, Lane Keep, Blind Zone Alert, R

Available

Calibration required after windshield replacement, camera/radar service, or structural repair affecting sensor alignment.

Immobilizer: GM PEPS Gen 3

Standard

Key programming requires manufacturer-level tool access. Add key supported. All keys lost (AKL) supported.

Platform: GM VSS-F (compact crossover, 2nd gen 2021)

Confirmed

Verify platform code matches when cross-referencing part numbers across model years.

TOOL ACCESS MATRIX

Tool access for this exact year

Representative tool access paths for this exact model year, gated by the vehicle data and source packet we currently trust.

Factory scan, coding, and calibration access

GM GDS2 / GM Tech2Win / GM MDI 2

Factory routines and secure server authorization control this path when aftermarket coverage is not enough for the VIN.

OEM subscription required

Make-level OEM tool map plus exact-year gateway and ADAS fields.

ADAS scan, setup, and verification

Autel, Launch Tech, Topdon

Used where aftermarket coverage supports the procedure; OEM software remains required for locked factory routines.

Tool subscription required

Service-level scanner-vendor source packet plus exact-year ADAS records.

Bench cloning and chip-level recovery

Alientech / Autotuner / Orange5 / Scanmatik / Flex / VVDI2 / PCMFlash / CGDI / X-Prog

Used only when the module, donor data, EEPROM, MCU, or crash-data workflow requires bench or chip-level handling.

Bench/chip-level only

Bench programmer source packet plus exact-year module/security records.

PLATFORM

Know this platform

This platform uses HS-CAN (500 kbps); GM LAN; OBD2 DLC Pin 6/14 with ISO 15765-4 CAN (500 kbps).

CAN: HS-CAN (500 kbps); GM LAN; OBD2 DLC Pin 6/14
OBD: ISO 15765-4 CAN (500 kbps)

OPENPILOT / COMMA.AI

Openpilot Compatibility

Not Supported

Not supported - buick not in openpilot support tree

Not in openpilot support tree as of April 2026. Buick Enclave/Encore GX/Envision not in CARS.md; only Chevrolet/GMC/Cadillac GM brands have current ports.

GENERATION SERVICE SNAPSHOT

Generation service summary for Buick Envision 2nd Gen (2021-2026)

Generation coverage

This page consolidates Buick Envision service data for 2021-2026 across 6 model years; 6 years have merged CCT data.

Choose a year

ADAS coverage

Merged ADAS coverage includes 36 system records, including Forward Camera (Mobileye EyeQ4) (2021), Forward Radar (Bosch MRR) (2021), Blind Zone Alert - Left Rear Radar (Aptiv SRR) (2021), and Blind Zone Alert - Right Rear Radar (Aptiv SRR) (2021). Year-marked systems apply only to the shown range.

View ADAS data

Calibration triggers

This generation has 23 merged calibration trigger records. Trigger applicability can vary by year - verify by VIN before setup.

View triggers

Programmable modules

The merged generation page indexes 40 programmable module records across SRS, ECU, BCM, TCU/TCM, ABS, IPC coverage. Part numbers are confirmed for the exact year/VIN.

View modules

Gateway and security

Gateway, immobilizer, and key-security coverage includes 8 merged records. Security procedures vary by year - verify by VIN.

View security

Core Auto Logic capability

Core Auto Logic supports generation-level diagnostics, ADAS calibration, module programming, security-access planning, and mail-in bench work for the Buick Envision 2021-2026 span, with exact-year validation before service.

Get a quote

CALIBRATION

Do I need calibration?

Windshield Replacement 24

Forward Camera (Mobileye EyeQ4)

2021

Required

Buick ENVISION 2021: Forward safety camera (Mobileye EyeQ4, windshield upper center) requires static calibration after windshield removal and replacement. GDS2/our diagnostic software calibration routine on level surface using GM calibration target. Verify Automatic Emergency Braking, Lane Keep Assist, and Adaptive Cruise -- no active DTCs post-calibration.

AEB

2021

Required

Lane Keep Assist

2021

Required

Adaptive Cruise

2021

Required

Forward Camera (Mobileye EyeQ4)

2022

Required

Buick ENVISION 2022: Forward safety camera (Mobileye EyeQ4, windshield upper center) requires static calibration after windshield removal and replacement. GDS2/our diagnostic software calibration routine on level surface using GM calibration target. Verify Automatic Emergency Braking, Lane Keep Assist, and Adaptive Cruise -- no active DTCs post-calibration.

AEB

2022

Required

Lane Keep Assist

2022

Required

Adaptive Cruise

2022

Required

Forward Camera (Mobileye EyeQ4)

2023

Required

Buick ENVISION 2023: Forward safety camera (Mobileye EyeQ4, windshield upper center) requires static calibration after windshield removal and replacement. GDS2/our diagnostic software calibration routine on level surface using GM calibration target. Verify Automatic Emergency Braking, Lane Keep Assist, and Adaptive Cruise -- no active DTCs post-calibration.

AEB

2023

Required

Lane Keep Assist

2023

Required

Adaptive Cruise

2023

Required

Forward Camera (Mobileye EyeQ4)

2024

Required

Buick ENVISION 2024: Forward safety camera (Mobileye EyeQ4, windshield upper center) requires static calibration after windshield removal and replacement. GDS2/our diagnostic software calibration routine on level surface using GM calibration target. Verify Automatic Emergency Braking, Lane Keep Assist, and Adaptive Cruise -- no active DTCs post-calibration.

AEB

2024

Required

Lane Keep Assist

2024

Required

Adaptive Cruise

2024

Required

Forward Camera (Mobileye EyeQ4)

2025

Required

Buick ENVISION 2025: Forward safety camera (Mobileye EyeQ4, windshield upper center) requires static calibration after windshield removal and replacement. GDS2/our diagnostic software calibration routine on level surface using GM calibration target. Verify Automatic Emergency Braking, Lane Keep Assist, and Adaptive Cruise -- no active DTCs post-calibration.

AEB

2025

Required

Lane Keep Assist

2025

Required

Adaptive Cruise

2025

Required

Forward Camera (Mobileye EyeQ4)

2026

Required

Buick ENVISION 2026: Forward safety camera (Mobileye EyeQ4, windshield upper center) requires static calibration after windshield removal and replacement. GDS2/our diagnostic software calibration routine on level surface using GM calibration target. Verify Automatic Emergency Braking, Lane Keep Assist, and Adaptive Cruise -- no active DTCs post-calibration.

AEB

2026

Required

Lane Keep Assist

2026

Required

Adaptive Cruise

2026

Required

Forward Camera Replacement 5

Forward Camera

2021-2026

Required

GDS2/SPS2 camera module programming + static calibration. Camera is VIN/RPO-coded. Verify all Buick Safety Assist features active and no DTCs after programming.

AEB

2021-2026

Required

GDS2/SPS2 camera module programming + static calibration. Camera is VIN/RPO-coded. Verify all Buick Safety Assist features active and no DTCs after programming.

LKA

2021-2026

Required

GDS2/SPS2 camera module programming + static calibration. Camera is VIN/RPO-coded. Verify all Buick Safety Assist features active and no DTCs after programming.

Adaptive Cruise

2021-2026

Required

GDS2/SPS2 camera module programming + static calibration. Camera is VIN/RPO-coded. Verify all Buick Safety Assist features active and no DTCs after programming.

Auto High-Beam

2021-2026

Required

GDS2/SPS2 camera module programming + static calibration. Camera is VIN/RPO-coded. Verify all Buick Safety Assist features active and no DTCs after programming.

Front Bumper Removal/Replacement 12

Forward Radar (Bosch MRR

2021

Required

Buick ENVISION 2021: Front radar (Bosch MRR, behind lower grille) alignment required if front bumper fascia removed. GDS2/our diagnostic software radar alignment procedure. Verify Adaptive Cruise Control and Automatic Emergency Braking function, no DTCs.

Adaptive Cruise/AEB)

2021

Required

Forward Radar (Bosch MRR

2022

Required

Buick ENVISION 2022: Front radar (Bosch MRR, behind lower grille) alignment required if front bumper fascia removed. GDS2/our diagnostic software radar alignment procedure. Verify Adaptive Cruise Control and Automatic Emergency Braking function, no DTCs.

Adaptive Cruise/AEB)

2022

Required

Forward Radar (Bosch MRR

2023

Required

Buick ENVISION 2023: Front radar (Bosch MRR, behind lower grille) alignment required if front bumper fascia removed. GDS2/our diagnostic software radar alignment procedure. Verify Adaptive Cruise Control and Automatic Emergency Braking function, no DTCs.

Adaptive Cruise/AEB)

2023

Required

Forward Radar (Bosch MRR

2024

Required

Buick ENVISION 2024: Front radar (Bosch MRR, behind lower grille) alignment required if front bumper fascia removed. GDS2/our diagnostic software radar alignment procedure. Verify Adaptive Cruise Control and Automatic Emergency Braking function, no DTCs.

Adaptive Cruise/AEB)

2024

Required

Forward Radar (Bosch MRR

2025

Required

Buick ENVISION 2025: Front radar (Bosch MRR, behind lower grille) alignment required if front bumper fascia removed. GDS2/our diagnostic software radar alignment procedure. Verify Adaptive Cruise Control and Automatic Emergency Braking function, no DTCs.

Adaptive Cruise/AEB)

2025

Required

Forward Radar (Bosch MRR

2026

Required

Buick ENVISION 2026: Front radar (Bosch MRR, behind lower grille) alignment required if front bumper fascia removed. GDS2/our diagnostic software radar alignment procedure. Verify Adaptive Cruise Control and Automatic Emergency Braking function, no DTCs.

Adaptive Cruise/AEB)

2026

Required

Blind Zone Alert Sensor Replacement 12

Blind Zone Alert (BZA)

2021

Required

Buick ENVISION 2021: Rear corner BSD sensors (Aptiv SRR, 24GHz). GDS2/our diagnostic software Post-Mount Inspection (PMI) and calibration after replacement or rear bumper repair. L/R not interchangeable. Verify BZA mirror indicator and RCTA alerts functional.

Rear Cross Traffic Alert (RCTA)

2021

Required

Blind Zone Alert (BZA)

2022

Required

Buick ENVISION 2022: Rear corner BSD sensors (Aptiv SRR, 24GHz). GDS2/our diagnostic software Post-Mount Inspection (PMI) and calibration after replacement or rear bumper repair. L/R not interchangeable. Verify BZA mirror indicator and RCTA alerts functional.

Rear Cross Traffic Alert (RCTA)

2022

Required

Blind Zone Alert (BZA)

2023

Required

Buick ENVISION 2023: Rear corner BSD sensors (Aptiv SRR, 24GHz). GDS2/our diagnostic software Post-Mount Inspection (PMI) and calibration after replacement or rear bumper repair. L/R not interchangeable. Verify BZA mirror indicator and RCTA alerts functional.

Rear Cross Traffic Alert (RCTA)

2023

Required

Blind Zone Alert (BZA)

2024

Required

Buick ENVISION 2024: Rear corner BSD sensors (Aptiv SRR, 24GHz). GDS2/our diagnostic software Post-Mount Inspection (PMI) and calibration after replacement or rear bumper repair. L/R not interchangeable. Verify BZA mirror indicator and RCTA alerts functional.

Rear Cross Traffic Alert (RCTA)

2024

Required

Blind Zone Alert (BZA)

2025

Required

Buick ENVISION 2025: Rear corner BSD sensors (Aptiv SRR, 24GHz). GDS2/our diagnostic software Post-Mount Inspection (PMI) and calibration after replacement or rear bumper repair. L/R not interchangeable. Verify BZA mirror indicator and RCTA alerts functional.

Rear Cross Traffic Alert (RCTA)

2025

Required

Blind Zone Alert (BZA)

2026

Required

Buick ENVISION 2026: Rear corner BSD sensors (Aptiv SRR, 24GHz). GDS2/our diagnostic software Post-Mount Inspection (PMI) and calibration after replacement or rear bumper repair. L/R not interchangeable. Verify BZA mirror indicator and RCTA alerts functional.

Rear Cross Traffic Alert (RCTA)

2026

Required

Rear Bumper Removal/Replacement 3

Blind Zone Alert Sensors

2021-2026

Required if sensors affected

Rear bumper houses BSD sensors and Park Assist sensors. GDS2/our diagnostic software sensor initialization after repair. Verify all rear proximity and blind spot systems no active DTCs.

RCTA

2021-2026

Required if sensors affected

Rear bumper houses BSD sensors and Park Assist sensors. GDS2/our diagnostic software sensor initialization after repair. Verify all rear proximity and blind spot systems no active DTCs.

Rear Park Assist

2021-2026

Required if sensors affected

Rear bumper houses BSD sensors and Park Assist sensors. GDS2/our diagnostic software sensor initialization after repair. Verify all rear proximity and blind spot systems no active DTCs.

BCM Replacement 1

All vehicle systems

2021-2026

Required

GDS2 + SPS2 BCM programming. RPO code configuration required -- must match original build sheet. Immobilizer/PASSKEY relearn. Verify all Safety Assist features configured post-programming.

EBCM / ABS Module Replacement 3

ABS

2021-2026

Required

GDS2 automated brake bleed + SAS zero-point calibration. Drive test for SAS learning. Verify ESC and ABS no active DTCs.

ESC

2021-2026

Required

GDS2 automated brake bleed + SAS zero-point calibration. Drive test for SAS learning. Verify ESC and ABS no active DTCs.

SAS

2021-2026

Required

GDS2 automated brake bleed + SAS zero-point calibration. Drive test for SAS learning. Verify ESC and ABS no active DTCs.

Steering Angle Sensor Replacement 2

ESC

2021-2026

Required

GDS2 SAS zero-point calibration on level surface, wheels straight-ahead. Verify ESC no DTCs after road test.

SAS

2021-2026

Required

GDS2 SAS zero-point calibration on level surface, wheels straight-ahead. Verify ESC no DTCs after road test.

MODEL YEARS

Year-by-year details

Year	Trim notes
2021	Standard trim configurations for 2021 Buick Envision; verify trim-specific options before ordering modules.
2022	Standard trim configurations for 2022 Buick Envision; verify trim-specific options before ordering modules.
2023	Standard trim configurations for 2023 Buick Envision; verify trim-specific options before ordering modules.
2024	Standard trim configurations for 2024 Buick Envision; verify trim-specific options before ordering modules.
2025	Standard trim configurations for 2025 Buick Envision; verify trim-specific options before ordering modules.
2026	Standard trim configurations for 2026 Buick Envision; verify trim-specific options before ordering modules.

YEAR-BY-YEAR CHANGES

What changes across 2021-2026

Differences versus the generation reference year. Years not listed here match the shared platform data on this page.

2021

Trims: Standard trim configurations for 2021 Buick Envision; verify trim-specific options before ordering modules.

2022

Trims: Standard trim configurations for 2022 Buick Envision; verify trim-specific options before ordering modules.

2024

Trims: Standard trim configurations for 2024 Buick Envision; verify trim-specific options before ordering modules.

2025

Trims: Standard trim configurations for 2025 Buick Envision; verify trim-specific options before ordering modules.

2026

Trims: Standard trim configurations for 2026 Buick Envision; verify trim-specific options before ordering modules.

36 ADAS systems documented across 2021-2026. Rows that apply to only part of the generation carry a year badge.

Filter by year

ADAS CALIBRATION MATRIX

ADAS systems on this vehicle

Buick Safety Assist: Automatic Emergency Braking, Lane Keep, Blind Zone Alert, Rear Cross Traffic Alert, Front Park Assist; ProGrade Trailering optional

Scroll for part numbers and Details

System	Type	Category	Cal. Type	Supported	Part #
Forward Camera (Mobileye EyeQ4) 2021	Forward Camera	Camera	Static	YES	-
Forward Radar (Bosch MRR) 2021	Front Radar	Radar	Static + Dynamic	YES	-
Blind Zone Alert - Left Rear Radar (Aptiv SRR) 2021	Side Radar	Radar	Static + Dynamic	YES	-
Blind Zone Alert - Right Rear Radar (Aptiv SRR) 2021	Side Radar	Radar	Static + Dynamic	YES	-
Rear View Camera (RVC) 2021	Rear Camera	Camera	Static	YES	-
Front Park Assist Sensors 2021	Parking Sensor	sensor	None	YES	-
Forward Camera (Mobileye EyeQ4) 2022	Forward Camera	Camera	Static	YES	-
Forward Radar (Bosch MRR) 2022	Front Radar	Radar	Static + Dynamic	YES	-
Blind Zone Alert - Left Rear Radar (Aptiv SRR) 2022	Side Radar	Radar	Static + Dynamic	YES	-
Blind Zone Alert - Right Rear Radar (Aptiv SRR) 2022	Side Radar	Radar	Static + Dynamic	YES	-
Rear View Camera (RVC) 2022	Rear Camera	Camera	Static	YES	-
Front Park Assist Sensors 2022	Parking Sensor	sensor	None	YES	-
Forward Camera (Mobileye EyeQ4) 2023	Forward Camera	Camera	Static	YES	-
Forward Radar (Bosch MRR) 2023	Front Radar	Radar	Static + Dynamic	YES	-
Blind Zone Alert - Left Rear Radar (Aptiv SRR) 2023	Side Radar	Radar	Static + Dynamic	YES	-
Blind Zone Alert - Right Rear Radar (Aptiv SRR) 2023	Side Radar	Radar	Static + Dynamic	YES	-
Rear View Camera (RVC) 2023	Rear Camera	Camera	Static	YES	-
Front Park Assist Sensors 2023	Parking Sensor	sensor	None	YES	-
Forward Camera (Mobileye EyeQ4) 2024	Forward Camera	Camera	Static	YES	-
Forward Radar (Bosch MRR) 2024	Front Radar	Radar	Static + Dynamic	YES	-
Blind Zone Alert - Left Rear Radar (Aptiv SRR) 2024	Side Radar	Radar	Static + Dynamic	YES	-
Blind Zone Alert - Right Rear Radar (Aptiv SRR) 2024	Side Radar	Radar	Static + Dynamic	YES	-
Rear View Camera (RVC) 2024	Rear Camera	Camera	Static	YES	-
Front Park Assist Sensors 2024	Parking Sensor	sensor	None	YES	-
Forward Camera (Mobileye EyeQ4) 2025	Forward Camera	Camera	Static	YES	-
Forward Radar (Bosch MRR) 2025	Front Radar	Radar	Static + Dynamic	YES	-
Blind Zone Alert - Left Rear Radar (Aptiv SRR) 2025	Side Radar	Radar	Static + Dynamic	YES	-
Blind Zone Alert - Right Rear Radar (Aptiv SRR) 2025	Side Radar	Radar	Static + Dynamic	YES	-
Rear View Camera (RVC) 2025	Rear Camera	Camera	Static	YES	-
Front Park Assist Sensors 2025	Parking Sensor	sensor	None	YES	-
Forward Camera (Mobileye EyeQ4) 2026	Forward Camera	Camera	Static	YES	-
Forward Radar (Bosch MRR) 2026	Front Radar	Radar	Static + Dynamic	YES	-
Blind Zone Alert - Left Rear Radar (Aptiv SRR) 2026	Side Radar	Radar	Static + Dynamic	YES	-
Blind Zone Alert - Right Rear Radar (Aptiv SRR) 2026	Side Radar	Radar	Static + Dynamic	YES	-
Rear View Camera (RVC) 2026	Rear Camera	Camera	Static	YES	-
Front Park Assist Sensors 2026	Parking Sensor	sensor	None	YES	-

WHEN IS CALIBRATION REQUIRED?

Triggers for ADAS recalibration

Windshield Replacement 2021 Affected: Forward Camera (Mobileye EyeQ4), AEB, Lane Keep Assist, Adaptive Cruise

Forward Camera Replacement Affected: Forward Camera, AEB, LKA, Adaptive Cruise, Auto High-Beam

GDS2/SPS2 camera module programming + static calibration. Camera is VIN/RPO-coded. Verify all Buick Safety Assist features active and no DTCs after programming.

Front Bumper Removal/Replacement 2021 Affected: Forward Radar (Bosch MRR, Adaptive Cruise/AEB)

Blind Zone Alert Sensor Replacement 2021 Affected: Blind Zone Alert (BZA), Rear Cross Traffic Alert (RCTA)

Rear Bumper Removal/Replacement Affected: Blind Zone Alert Sensors, RCTA, Rear Park Assist

Rear bumper houses BSD sensors and Park Assist sensors. GDS2/our diagnostic software sensor initialization after repair. Verify all rear proximity and blind spot systems no active DTCs.

BCM Replacement Affected: All vehicle systems

GDS2 + SPS2 BCM programming. RPO code configuration required -- must match original build sheet. Immobilizer/PASSKEY relearn. Verify all Safety Assist features configured post-programming.

EBCM / ABS Module Replacement Affected: ABS, ESC, SAS

GDS2 automated brake bleed + SAS zero-point calibration. Drive test for SAS learning. Verify ESC and ABS no active DTCs.

Steering Angle Sensor Replacement Affected: ESC, SAS

GDS2 SAS zero-point calibration on level surface, wheels straight-ahead. Verify ESC no DTCs after road test.

Windshield Replacement 2022 Affected: Forward Camera (Mobileye EyeQ4), AEB, Lane Keep Assist, Adaptive Cruise

Front Bumper Removal/Replacement 2022 Affected: Forward Radar (Bosch MRR, Adaptive Cruise/AEB)

Blind Zone Alert Sensor Replacement 2022 Affected: Blind Zone Alert (BZA), Rear Cross Traffic Alert (RCTA)

Windshield Replacement 2023 Affected: Forward Camera (Mobileye EyeQ4), AEB, Lane Keep Assist, Adaptive Cruise

Front Bumper Removal/Replacement 2023 Affected: Forward Radar (Bosch MRR, Adaptive Cruise/AEB)

Blind Zone Alert Sensor Replacement 2023 Affected: Blind Zone Alert (BZA), Rear Cross Traffic Alert (RCTA)

Windshield Replacement 2024 Affected: Forward Camera (Mobileye EyeQ4), AEB, Lane Keep Assist, Adaptive Cruise

Front Bumper Removal/Replacement 2024 Affected: Forward Radar (Bosch MRR, Adaptive Cruise/AEB)

Blind Zone Alert Sensor Replacement 2024 Affected: Blind Zone Alert (BZA), Rear Cross Traffic Alert (RCTA)

Windshield Replacement 2025 Affected: Forward Camera (Mobileye EyeQ4), AEB, Lane Keep Assist, Adaptive Cruise

Front Bumper Removal/Replacement 2025 Affected: Forward Radar (Bosch MRR, Adaptive Cruise/AEB)

Blind Zone Alert Sensor Replacement 2025 Affected: Blind Zone Alert (BZA), Rear Cross Traffic Alert (RCTA)

Windshield Replacement 2026 Affected: Forward Camera (Mobileye EyeQ4), AEB, Lane Keep Assist, Adaptive Cruise

Front Bumper Removal/Replacement 2026 Affected: Forward Radar (Bosch MRR, Adaptive Cruise/AEB)

Blind Zone Alert Sensor Replacement 2026 Affected: Blind Zone Alert (BZA), Rear Cross Traffic Alert (RCTA)

MODULE COVERAGE

Modules we program on this generation

40 documented Buick Envision modules across 2021-2026. Open a group for part numbers, programming protocol, security notes, and clone support.

SRS MODULES

SRS Modules

Sensing & Diagnostic Module (SDM) Verify by VIN 13518546

coding and programming fields are absent or ambiguous

Used/donor module guide

Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026

Always match the full part number before buying a used module.

PART: 13518546
LOCATION: Under center console
MFG: Continental
NOTES: Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.

Sensing & Diagnostic Module (SDM) Verify by VIN 84888590

coding and programming fields are absent or ambiguous

Used/donor module guide

Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026

Always match the full part number before buying a used module.

PART: 84888590
LOCATION: Under center console
MFG: Continental
NOTES: Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.

Sensing & Diagnostic Module (SDM) Verify by VIN 84888591

coding and programming fields are absent or ambiguous

Used/donor module guide

Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026

Always match the full part number before buying a used module.

PART: 84888591
LOCATION: Under center console
MFG: Continental
NOTES: Requires GM GDS2 / Tech2 or J2534 for SRS reset. DTC B0100 common after crash events. Wait 90 seconds after ignition off before disconnecting battery.

ECU MODULES

ECU Modules

Engine Control Module (ECM) Dealer security required

security_type indicates immobilizer or VIN security

Used/donor module guide

Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026

Always match the full part number before buying a used module.

PROTOCOL: OBD
SECURITY: HITAG Pro / AES
CODING: Yes
CLONE: No
NOTES: ECM programming requires VIN encoding and security seed/key exchange via our diagnostic software. Online server authentication required. Cloning not supported on 2018+ VIN-locked units.

Transmission Control Module (TCM) OBD coding supported

programming_method indicates OBD programming or coding

Used/donor module guide

Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026

Always match the full part number before buying a used module.

PROTOCOL: OBD
SECURITY: HITAG Pro / AES
CODING: Yes
CLONE: No
NOTES: TCM requires shift-point calibration and VIN adaptation after replacement via our diagnostic software. Cloning not supported.

Body Control Module (BCM) OBD coding supported

programming_method indicates OBD programming or coding

Used/donor module guide

Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026

Always match the full part number before buying a used module.

PROTOCOL: OBD
SECURITY: HITAG Pro / AES
CODING: Yes
CLONE: No
NOTES: BCM requires coding to vehicle VIN after replacement. Security gateway access required on 2018+ models. All comfort/convenience modules must be re-synced via our diagnostic software.

BCM MODULES

BCM Modules

Body Control Module (BCM) x6

84 (GM PART -- VERIFY VIA DEALERCONNECT, GM SPS2) Verify by VIN 2021

_years covers only 2021 for this generation

Used/donor module guide

Compatible donor years: 2021

Donor must match part family 84 (GM PART -- VERIFY VIA DEALERCONNECT; VIN-locked

Always match the full part number before buying a used module.

PART: 84 (GM PART -- VERIFY VIA DEALERCONNECT, GM SPS2)
SECURITY: GM Security (PASSKEY III+ / Immobilizer)
CODING: Yes
CLONE: No
NOTES: Buick ENVISION 2021 (GM VSS-F platform): BCM replacement requires SPS2 (Service Programming System 2) programming via GDS2/MDI2. RPO (Regular Production Option) codes must be programmed to match vehicle build sheet -- includes all safety features, comfort options, and powertrain configuration. Immobilizer/PASSKEY relearn required. NOT plug and play. GM TechConnect subscription required for SPS2.

84 (GM PART -- VERIFY VIA DEALERCONNECT, GM SPS2) Verify by VIN 2022

_years covers only 2022 for this generation

Used/donor module guide

Compatible donor years: 2022

Donor must match part family 84 (GM PART -- VERIFY VIA DEALERCONNECT; VIN-locked

Always match the full part number before buying a used module.

PART: 84 (GM PART -- VERIFY VIA DEALERCONNECT, GM SPS2)
SECURITY: GM Security (PASSKEY III+ / Immobilizer)
CODING: Yes
CLONE: No
NOTES: Buick ENVISION 2022 (GM VSS-F platform): BCM replacement requires SPS2 (Service Programming System 2) programming via GDS2/MDI2. RPO (Regular Production Option) codes must be programmed to match vehicle build sheet -- includes all safety features, comfort options, and powertrain configuration. Immobilizer/PASSKEY relearn required. NOT plug and play. GM TechConnect subscription required for SPS2.

84 (GM PART -- VERIFY VIA DEALERCONNECT, GM SPS2) Verify by VIN 2023

_years covers only 2023 for this generation

Used/donor module guide

Compatible donor years: 2023

Donor must match part family 84 (GM PART -- VERIFY VIA DEALERCONNECT; VIN-locked

Always match the full part number before buying a used module.

PART: 84 (GM PART -- VERIFY VIA DEALERCONNECT, GM SPS2)
SECURITY: GM Security (PASSKEY III+ / Immobilizer)
CODING: Yes
CLONE: No
NOTES: Buick ENVISION 2023 (GM VSS-F platform): BCM replacement requires SPS2 (Service Programming System 2) programming via GDS2/MDI2. RPO (Regular Production Option) codes must be programmed to match vehicle build sheet -- includes all safety features, comfort options, and powertrain configuration. Immobilizer/PASSKEY relearn required. NOT plug and play. GM TechConnect subscription required for SPS2.

84 (GM PART -- VERIFY VIA DEALERCONNECT, GM SPS2) Verify by VIN 2024

_years covers only 2024 for this generation

Used/donor module guide

Compatible donor years: 2024

Donor must match part family 84 (GM PART -- VERIFY VIA DEALERCONNECT; VIN-locked

Always match the full part number before buying a used module.

PART: 84 (GM PART -- VERIFY VIA DEALERCONNECT, GM SPS2)
SECURITY: GM Security (PASSKEY III+ / Immobilizer)
CODING: Yes
CLONE: No
NOTES: Buick ENVISION 2024 (GM VSS-F platform): BCM replacement requires SPS2 (Service Programming System 2) programming via GDS2/MDI2. RPO (Regular Production Option) codes must be programmed to match vehicle build sheet -- includes all safety features, comfort options, and powertrain configuration. Immobilizer/PASSKEY relearn required. NOT plug and play. GM TechConnect subscription required for SPS2.

84 (GM PART -- VERIFY VIA DEALERCONNECT, GM SPS2) Verify by VIN 2025

_years covers only 2025 for this generation

Used/donor module guide

Compatible donor years: 2025

Donor must match part family 84 (GM PART -- VERIFY VIA DEALERCONNECT; VIN-locked

Always match the full part number before buying a used module.

PART: 84 (GM PART -- VERIFY VIA DEALERCONNECT, GM SPS2)
SECURITY: GM Security (PASSKEY III+ / Immobilizer)
CODING: Yes
CLONE: No
NOTES: Buick ENVISION 2025 (GM VSS-F platform): BCM replacement requires SPS2 (Service Programming System 2) programming via GDS2/MDI2. RPO (Regular Production Option) codes must be programmed to match vehicle build sheet -- includes all safety features, comfort options, and powertrain configuration. Immobilizer/PASSKEY relearn required. NOT plug and play. GM TechConnect subscription required for SPS2.

84 (GM PART -- VERIFY VIA DEALERCONNECT, GM SPS2) Verify by VIN 2026

_years covers only 2026 for this generation

Used/donor module guide

Compatible donor years: 2026

Donor must match part family 84 (GM PART -- VERIFY VIA DEALERCONNECT; VIN-locked

Always match the full part number before buying a used module.

PART: 84 (GM PART -- VERIFY VIA DEALERCONNECT, GM SPS2)
SECURITY: GM Security (PASSKEY III+ / Immobilizer)
CODING: Yes
CLONE: No
NOTES: Buick ENVISION 2026 (GM VSS-F platform): BCM replacement requires SPS2 (Service Programming System 2) programming via GDS2/MDI2. RPO (Regular Production Option) codes must be programmed to match vehicle build sheet -- includes all safety features, comfort options, and powertrain configuration. Immobilizer/PASSKEY relearn required. NOT plug and play. GM TechConnect subscription required for SPS2.

FICM / IPC (Instrument Panel Cluster) x6

84 (VERIFY VIA GM SPS2) Verify by VIN 2021

_years covers only 2021 for this generation

Used/donor module guide

Compatible donor years: 2021

Donor must match part family 84 (VERIFY VIA GM SPS2) - requires cloning

Always match the full part number before buying a used module.

PART: 84 (VERIFY VIA GM SPS2)
SECURITY: VIN-programmed via SPS2
CODING: Yes
CLONE: No
NOTES: Buick ENVISION 2021: IPC replacement requires SPS2 VIN programming and RPO configuration. Mileage cannot be cloned -- replacement IPC will show zero miles until legally corrected. Verify all gauges and warning light functionality post-programming.

84 (VERIFY VIA GM SPS2) Verify by VIN 2022

_years covers only 2022 for this generation

Used/donor module guide

Compatible donor years: 2022

Donor must match part family 84 (VERIFY VIA GM SPS2) - requires cloning

Always match the full part number before buying a used module.

PART: 84 (VERIFY VIA GM SPS2)
SECURITY: VIN-programmed via SPS2
CODING: Yes
CLONE: No
NOTES: Buick ENVISION 2022: IPC replacement requires SPS2 VIN programming and RPO configuration. Mileage cannot be cloned -- replacement IPC will show zero miles until legally corrected. Verify all gauges and warning light functionality post-programming.

84 (VERIFY VIA GM SPS2) Verify by VIN 2023

_years covers only 2023 for this generation

Used/donor module guide

Compatible donor years: 2023

Donor must match part family 84 (VERIFY VIA GM SPS2) - requires cloning

Always match the full part number before buying a used module.

PART: 84 (VERIFY VIA GM SPS2)
SECURITY: VIN-programmed via SPS2
CODING: Yes
CLONE: No
NOTES: Buick ENVISION 2023: IPC replacement requires SPS2 VIN programming and RPO configuration. Mileage cannot be cloned -- replacement IPC will show zero miles until legally corrected. Verify all gauges and warning light functionality post-programming.

84 (VERIFY VIA GM SPS2) Verify by VIN 2024

_years covers only 2024 for this generation

Used/donor module guide

Compatible donor years: 2024

Donor must match part family 84 (VERIFY VIA GM SPS2) - requires cloning

Always match the full part number before buying a used module.

PART: 84 (VERIFY VIA GM SPS2)
SECURITY: VIN-programmed via SPS2
CODING: Yes
CLONE: No
NOTES: Buick ENVISION 2024: IPC replacement requires SPS2 VIN programming and RPO configuration. Mileage cannot be cloned -- replacement IPC will show zero miles until legally corrected. Verify all gauges and warning light functionality post-programming.

84 (VERIFY VIA GM SPS2) Verify by VIN 2025

_years covers only 2025 for this generation

Used/donor module guide

Compatible donor years: 2025

Donor must match part family 84 (VERIFY VIA GM SPS2) - requires cloning

Always match the full part number before buying a used module.

PART: 84 (VERIFY VIA GM SPS2)
SECURITY: VIN-programmed via SPS2
CODING: Yes
CLONE: No
NOTES: Buick ENVISION 2025: IPC replacement requires SPS2 VIN programming and RPO configuration. Mileage cannot be cloned -- replacement IPC will show zero miles until legally corrected. Verify all gauges and warning light functionality post-programming.

84 (VERIFY VIA GM SPS2) Verify by VIN 2026

_years covers only 2026 for this generation

Used/donor module guide

Compatible donor years: 2026

Donor must match part family 84 (VERIFY VIA GM SPS2) - requires cloning

Always match the full part number before buying a used module.

PART: 84 (VERIFY VIA GM SPS2)
SECURITY: VIN-programmed via SPS2
CODING: Yes
CLONE: No
NOTES: Buick ENVISION 2026: IPC replacement requires SPS2 VIN programming and RPO configuration. Mileage cannot be cloned -- replacement IPC will show zero miles until legally corrected. Verify all gauges and warning light functionality post-programming.

TCU / TCM TRANSMISSION MODULES

TCU / TCM Transmission Modules

TCU - 9T50 9-Speed Auto Verify by VIN 2021-2022 24278872

_years covers only 2021-2022 for this generation

Used/donor module guide

Compatible donor years: 2021, 2022

Always match the full part number before buying a used module.

PART: 24278872
PROTOCOL: J2534
CODING: Yes
CLONE: No
CHIP/MCU: Continental TC1797
NOTES: GM SPS programming required, VIN coding mandatory, transmission adaptive relearn via Tech2Win, Dexron VI ATF

TCU - 9T65 9-Speed Auto Verify by VIN 2023-2024 24282

_years covers only 2023-2024 for this generation

Used/donor module guide

Compatible donor years: 2023, 2024

Always match the full part number before buying a used module.

PART: 24282
PROTOCOL: J2534
CODING: Yes
CLONE: No
CHIP/MCU: Continental TC297
NOTES: Requires SPS programming via Tech2Win/GDS2. TCM relearn procedure mandatory after installation. Use Dexron VI ATF. VIN coding required.

TCU - 9T50 9-Speed Auto Verify by VIN 2025-2026 84632

_years covers only 2025-2026 for this generation

Used/donor module guide

Compatible donor years: 2025, 2026

Always match the full part number before buying a used module.

PART: 84632
PROTOCOL: J2534
CODING: Yes
CLONE: No
CHIP/MCU: Continental MPC5777C
NOTES: Requires GM SPS2 programming, TCM relearn via Tech2Win, DEXRON VI ATF, VIN coding mandatory

ABS / BRAKE MODULES

ABS / Brake Modules

EBCM (Electronic Brake Control Module) -- Bosch / Delphi x6

84 (GM PART -- VERIFY VIA SPS2) Verify by VIN 2021

_years covers only 2021 for this generation

Used/donor module guide

Compatible donor years: 2021

Always match the full part number before buying a used module.

PART: 84 (GM PART -- VERIFY VIA SPS2)
CLONE: No
NOTES: Buick ENVISION 2021 (VSS-F): GDS2 automated brake bleed procedure required after EBCM/ABS module replacement. GDS2 sensor calibration reset for wheel speed sensors. Steering Angle Sensor (SAS) zero-point via GDS2 on level surface after EBCM or steering work. Verify ESC (Electronic Stability Control) and ABS no active DTCs post-install.

84 (GM PART -- VERIFY VIA SPS2) Verify by VIN 2022

_years covers only 2022 for this generation

Used/donor module guide

Compatible donor years: 2022

Always match the full part number before buying a used module.

PART: 84 (GM PART -- VERIFY VIA SPS2)
CLONE: No
NOTES: Buick ENVISION 2022 (VSS-F): GDS2 automated brake bleed procedure required after EBCM/ABS module replacement. GDS2 sensor calibration reset for wheel speed sensors. Steering Angle Sensor (SAS) zero-point via GDS2 on level surface after EBCM or steering work. Verify ESC (Electronic Stability Control) and ABS no active DTCs post-install.

84 (GM PART -- VERIFY VIA SPS2) Verify by VIN 2023

_years covers only 2023 for this generation

Used/donor module guide

Compatible donor years: 2023

Always match the full part number before buying a used module.

PART: 84 (GM PART -- VERIFY VIA SPS2)
CLONE: No
NOTES: Buick ENVISION 2023 (VSS-F): GDS2 automated brake bleed procedure required after EBCM/ABS module replacement. GDS2 sensor calibration reset for wheel speed sensors. Steering Angle Sensor (SAS) zero-point via GDS2 on level surface after EBCM or steering work. Verify ESC (Electronic Stability Control) and ABS no active DTCs post-install.

84 (GM PART -- VERIFY VIA SPS2) Verify by VIN 2024

_years covers only 2024 for this generation

Used/donor module guide

Compatible donor years: 2024

Always match the full part number before buying a used module.

PART: 84 (GM PART -- VERIFY VIA SPS2)
CLONE: No
NOTES: Buick ENVISION 2024 (VSS-F): GDS2 automated brake bleed procedure required after EBCM/ABS module replacement. GDS2 sensor calibration reset for wheel speed sensors. Steering Angle Sensor (SAS) zero-point via GDS2 on level surface after EBCM or steering work. Verify ESC (Electronic Stability Control) and ABS no active DTCs post-install.

84 (GM PART -- VERIFY VIA SPS2) Verify by VIN 2025

_years covers only 2025 for this generation

Used/donor module guide

Compatible donor years: 2025

Always match the full part number before buying a used module.

PART: 84 (GM PART -- VERIFY VIA SPS2)
CLONE: No
NOTES: Buick ENVISION 2025 (VSS-F): GDS2 automated brake bleed procedure required after EBCM/ABS module replacement. GDS2 sensor calibration reset for wheel speed sensors. Steering Angle Sensor (SAS) zero-point via GDS2 on level surface after EBCM or steering work. Verify ESC (Electronic Stability Control) and ABS no active DTCs post-install.

84 (GM PART -- VERIFY VIA SPS2) Verify by VIN 2026

_years covers only 2026 for this generation

Used/donor module guide

Compatible donor years: 2026

Always match the full part number before buying a used module.

PART: 84 (GM PART -- VERIFY VIA SPS2)
CLONE: No
NOTES: Buick ENVISION 2026 (VSS-F): GDS2 automated brake bleed procedure required after EBCM/ABS module replacement. GDS2 sensor calibration reset for wheel speed sensors. Steering Angle Sensor (SAS) zero-point via GDS2 on level surface after EBCM or steering work. Verify ESC (Electronic Stability Control) and ABS no active DTCs post-install.

Wheel Speed Sensor (each, all 4 corners) Bench clone required x1

clone_supported indicates cloning or bench work

Used/donor module guide

Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026

Donor must match part family ACDELCO 84 OR OEM - requires cloning

Always match the full part number before buying a used module.

PART: ACDELCO 84 OR OEM
CLONE: Yes
NOTES: Magnetic WSS. Replace if DTC C0035/C0040/C0045/C0050. GDS2 DTC clear + road test after replacement.

OTHER MODULES (IPC, SAS)

Other Modules (IPC, SAS)

Instrument Panel Cluster (IPC) Verify by VIN 2021-2024 84856998

_years covers only 2021-2024 for this generation

Used/donor module guide

Compatible donor years: 2021, 2022, 2023, 2024

Donor must match part family 84856998 - requires cloning

Always match the full part number before buying a used module.

PART: 84856998
CLONE: Yes
NOTES: IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.

Instrument Panel Cluster (IPC) Verify by VIN 2021-2022 84957645

_years covers only 2021-2022 for this generation

Used/donor module guide

Compatible donor years: 2021, 2022

Donor must match part family 84957645 - requires cloning

Always match the full part number before buying a used module.

PART: 84957645
CLONE: Yes
NOTES: IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.

Instrument Panel Cluster (IPC) Verify by VIN 2025-2026 42X

_years covers only 2025-2026 for this generation

Used/donor module guide

Compatible donor years: 2025, 2026

Donor must match part family 42X - requires cloning

Always match the full part number before buying a used module.

PART: 42X
CLONE: Yes
NOTES: IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.

Steering Angle Sensor (SAS) Verify by VIN

coding and programming fields are absent or ambiguous

Used/donor module guide

Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026

Always match the full part number before buying a used module.

CODING: Yes
NOTES: INTEGRATED (SCM clock spring)

CONNECTIVITY & ACCESSORIES

Connectivity & Accessories

Buick Infotainment 3 10.2" touchscreen Verify by VIN

coding and programming fields are absent or ambiguous

Used/donor module guide

Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026

Always match the full part number before buying a used module.

NOTES: Programming required after replacement. Verify software version compatibility before install.

Remote Start Verify by VIN

coding and programming fields are absent or ambiguous

Used/donor module guide

Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026

Always match the full part number before buying a used module.

NOTES: Factory remote start. BCM configuration required after replacement on equipped vehicles.

8 gateway, immobilizer, and security items documented across 2021-2026.

GATEWAY / SECURITY MODULES

Gateway / Security Modules

Central Gateway Module Dealer security required

vin_locked indicates immobilizer or VIN security

Used/donor module guide

Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026

Always match the full part number before buying a used module.

MFG: Renesas
SECURITY: VIN-locked (UDS)
VIN LOCKED: Yes
CODING: Yes
CHIP/MCU: D70F3585
NOTES: Compatibility label: Chevrolet. Air conditioning | Notes: Read/Write

Central Gateway Module Dealer security required

vin_locked indicates immobilizer or VIN security

Used/donor module guide

Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026

Always match the full part number before buying a used module.

MFG: Renesas
SECURITY: VIN-locked (UDS)
VIN LOCKED: Yes
CODING: Yes
CHIP/MCU: D70F3558
NOTES: Compatibility label: Buick. BCM | Notes: Read/Write

Central Gateway Module Dealer security required

vin_locked indicates immobilizer or VIN security

Used/donor module guide

Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026

Always match the full part number before buying a used module.

MFG: Various / Unlisted
SECURITY: VIN-locked (UDS)
VIN LOCKED: Yes
CODING: Yes
CHIP/MCU: 1M12S
NOTES: Compatibility label: CRUZE. BCM | Notes: Years: 2015-

Central Gateway Module Dealer security required

vin_locked indicates immobilizer or VIN security

Used/donor module guide

Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026

Always match the full part number before buying a used module.

MFG: Various / Unlisted
SECURITY: VIN-locked (UDS)
VIN LOCKED: Yes
CODING: Yes
CHIP/MCU: 1M12S
NOTES: Compatibility label: Cavalier. BCM | Notes: Years: 2015-

Central Gateway Module Dealer security required

vin_locked indicates immobilizer or VIN security

Used/donor module guide

Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026

Always match the full part number before buying a used module.

MFG: Various / Unlisted
SECURITY: VIN-locked (UDS)
VIN LOCKED: Yes
CODING: Yes
CHIP/MCU: 1M12S
NOTES: Compatibility label: Excelle. BCM | Notes: Years: 2015-

Central Gateway Module Dealer security required

vin_locked indicates immobilizer or VIN security

Used/donor module guide

Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026

Always match the full part number before buying a used module.

MFG: Various / Unlisted
SECURITY: VIN-locked (UDS)
VIN LOCKED: Yes
CODING: Yes
CHIP/MCU: 1M12S
NOTES: Compatibility label: SAIL. BCM | Notes: Years: 2015-

KEY SECURITY & IMMOBILIZER

Key Security & Immobilizer

System GM PEPS Gen 3; BCM immobilizer
Add Key Yes - GDS2/MDI2
All Keys Lost Yes - GDS2 with SPS2

GM PEPS; rolling code; GDS2/MDI2

IMMOBILIZER MODULES

Immobilizer Modules

Module 1 Bench clone required

service_notes indicates cloning or bench work

Used/donor module guide

Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026

Always match the full part number before buying a used module.

NOTES: HITAG Pro AES system. Dealer authorization needed for all-keys-lost. Add-key via OBD with our key programming equipment.

KEY & FOB TYPES

Key & Fob Types

Smart Key / Transponder Verify by VIN

coding and programming fields are absent or ambiguous

Used/donor module guide

Compatible donor years: 2021, 2022, 2023, 2024, 2025, 2026

Always match the full part number before buying a used module.

NOTES: HITAG Pro AES smart key. Add-key possible with working key. All-keys-lost requires dealer authorization.

Replacement Notes

GM PEPS Gen 3; BCM immobilizer system. SPS/ACDelco TDS required for key programming and module replacement. Pin extraction: limited (aes encryption); akl supported.

ARCHITECTURE & CONNECTIVITY

Architecture & Connectivity

Body Construction: High-strength steel unibody; aluminum hood
OBD Protocol: ISO 15765-4 CAN (500 kbps)
CAN Architecture: HS-CAN (500 kbps); GM LAN; OBD2 DLC Pin 6/14
Infotainment: Buick Infotainment 3 10.2" touchscreen; Bose audio; OTA via OnStar
OTA Capable: Yes
ECU Unlock Supported: No
Custom Programming: Yes

WHAT WE RESOLVE

2nd Gen (2021-2026) common module and ADAS issues

ADAS calibration drift Watch for calibration needs after windshield, bumper, suspension, camera, or radar work. Documented systems include Forward Camera (Mobileye EyeQ4) (2021), Forward Radar (Bosch MRR) (2021), Blind Zone Alert - Left Rear Radar (Aptiv SRR) (2021), and Blind Zone Alert - Right Rear Radar (Aptiv SRR) (2021). Year-marked systems apply only to the shown range.
SRS crash-data and warning light SRS service can involve Sensing & Diagnostic Module (SDM). Part numbers and crash-data workflow are confirmed for the exact year/VIN.
Replacement module setup ECU/PCM replacement programming, BCM configuration, TCU/TCM cloning, ABS/EBCM setup are represented in the merged generation data. Rows with year ranges do not apply to every model year; verify by VIN.
Gateway, key, and immobilizer access Gateway, key, and immobilizer procedures are represented by 8 merged security records. Access and all-keys-lost support varies by year - verify by VIN.

FREQUENTLY ASKED QUESTIONS

FAQ

Can you program Buick Envision (2021-2026) modules?

Yes. Core Auto Logic supports generation-scoped module programming for the Buick Envision (2021-2026). The merged generation data includes ECU/PCM, BCM, TCU/TCM, ABS/EBCM, and SRS coverage. Rows marked with a year range apply only to that part of the span; unmarked rows are present across the merged generation data.

Which modules are documented for Buick Envision (2021-2026)?

The Buick Envision (2021-2026) generation currently shows 28 core module records across ECU/PCM, BCM, TCU/TCM, ABS/EBCM, and SRS groups. SRS examples include Sensing & Diagnostic Module (SDM). Part numbers and module variants must be confirmed for your exact year/VIN. Reference part number: 13518546 - confirm for your exact year/VIN.

Does Buick Envision (2021-2026) need ADAS calibration after glass or collision work?

The merged generation data documents 36 ADAS systems, including Forward Camera (Mobileye EyeQ4) (2021), Forward Radar (Bosch MRR) (2021), Blind Zone Alert - Left Rear Radar (Aptiv SRR) (2021), Blind Zone Alert - Right Rear Radar (Aptiv SRR) (2021), and Rear View Camera (RVC) (2021). Calibration triggers include Windshield Replacement (2021), Forward Camera Replacement, Front Bumper Removal/Replacement (2021), and Blind Zone Alert Sensor Replacement (2021). Procedure type is VIN-specific scan-tool procedure; verify exact requirements by VIN before setup.

Can you reset the airbag module on Buick Envision (2021-2026)?

Yes. The generation data includes 3 SRS records, including Sensing & Diagnostic Module (SDM). Bench reset, cloning, and replacement setup are handled after part-number review. Any SRS part number shown for this generation is planning data only - confirm for your exact year/VIN. Reference part number: 13518546 - confirm for your exact year/VIN.

Do all Buick Envision (2021-2026) years use the same parts?

No assumption should be made across the full span. The generation page merges rows across 2021-2026; any row that does not span all data-bearing years is printed with its year range or treated as varies by year - verify by VIN. Part numbers always require exact year/VIN confirmation before ordering, cloning, or programming.

Can you program keys or immobilizer systems for Buick Envision (2021-2026)?

Yes, where the VIN and security workflow support it. The generation data includes 8 gateway, immobilizer, or key-security records. Gateway examples include Central Gateway Module. Key records are present in the merged generation data. Security access, all-keys-lost eligibility, and add-key workflows vary by year - verify by VIN.

How long does service take for Buick Envision (2021-2026)?

Most programming, cloning, SRS, and calibration jobs are quoted after VIN, DTC, part number, and repair-scope review. Labor time varies by year - verify by VIN before scheduling. Mail-in module work typically depends on module condition, donor data, and shipping window.

Is Buick Envision (2021-2026) service mobile or mail-in?

Both paths are available depending on the job. Mobile service covers DFW on-vehicle diagnostics, ADAS setup, key programming, and post-repair coding. Mail-in service covers ECU, BCM, SRS, TCU, ABS, and other bench module work nationwide. We confirm the correct path for your exact year/VIN before scheduling.

OTHER GENERATIONS

More Envision generations

2nd Gen 2021-2026 You are here

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