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2018 GMC Terrain Supported Services

2018 GMC Terrain

ADAS calibration, module programming, and security relearns

Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements.

Technical snapshot

Platform D2
CAN Architecture GMLAN HS-CAN 500kbps, MS-GMLAN 33.3kbps, LIN bus
Security PassKey III+ (PKES) - SPS2 GDS2 required

Get a Quote See Supported Modules

OVERVIEW

Expert ADAS calibration, module programming, and diagnostic recovery for the 2018 GMC Terrain. On this vehicle we cover documented systems include Forward Collision Alert / Automatic Emergency Braking, Lane Keep Assist / Lane Departure Warning (LKA/LDW), and Rear Cross Traffic Alert (RCTA), this D2 platform vehicle, PassKey III+ immobilizer support, GMC Infotainment 3 infotainment programming. Mobile across the DFW Metroplex; mail-in module work is temporarily unavailable.

Platform

Production

2010-present

Trim Levels

Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements.

Drivetrain

FWD / AWD

Engine

CAN Speed

GMLAN HS-CAN 500kbps, MS-GMLAN 33.3kbps, LIN bus

YEAR-SPECIFIC NOTES

VIN / Build Split

VIN pos 4-8 identifies series/body/engine. GM WMI: 1GK (GMC SUV), 1GT (GMC truck). Position 8 = engine code. Position 10 = model year code.

Infotainment

GMC Infotainment 3

SERVICE SNAPSHOT

Exact-year service summary for 2018 GMC Terrain

ADAS coverage

This 2018 GMC Terrain page documents 5 ADAS systems, including Forward Collision Alert / Automatic Emergency Braking, Lane Keep Assist / Lane Departure Warning (LKA/LDW), Rear Cross Traffic Alert (RCTA), and Side Blind Zone Alert.

View ADAS data

Calibration triggers

Documented calibration triggers include Windshield Replacement, Rear Bumper Repair, Any Collision, and Any Module Replacement. Use the ADAS tab for the full trigger list.

View triggers

Programmable modules

This page indexes 21 programmable module records across SRS, ECU, BCM, TCU/TCM, ABS, and IPC coverage.

View modules

Gateway and security

This page includes 8 gateway, immobilizer, or key-security records for this 2018 GMC Terrain.

View security

Core Auto Logic capability

Core Auto Logic supports exact-year diagnostics, ADAS calibration, module programming, and security-access planning for the 2018 GMC Terrain using the documented systems and module data on this page.

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EXACT-YEAR DIFFERENTIATORS

What changes on this exact year

Feature availability

Forward Collision Alert, Automatic Emergency Braking, Lane Keep Assist, Lane Dep - Available; Immobilizer: PassKey III+ - Standard

Driver-assist suite

Forward Collision Alert, Automatic Emergency Braking, Lane Keep Assist, Lane Departure Warning, Side Blind Zone Alert, Rear Cross-Traffic Alert - RPO UHX/UEU/UFG

VIN and build split

VIN pos 4-8 identifies series/body/engine. GM WMI: 1GK (GMC SUV), 1GT (GMC truck). Position 8 = engine code. Position 10 = model year code.

Infotainment context

GMC Infotainment 3; GMC IntelliLink - 7 inch (SLE) / 8 inch (SLT/Denali)

Network and access

CAN: GMLAN HS-CAN 500kbps, MS-GMLAN 33.3kbps, LIN bus

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.

Choose a section to view data

SUPPORTED SYSTEMS

What we service on this vehicle

Documented module coverage for the 2018 GMC Terrain. Counts reflect modules our techs have programmed or calibrated on this exact platform.

ADAS Calibration

5 modules documented

Forward camera, radar, surround-view and lane-keep recalibration after windshield, suspension or fascia work.

Open ADAS tab

Engine / ECU Programming

3 modules documented

Powertrain reprogramming, calibration updates, replacement ECU configuration and security access.

Open Modules tab

BCM / Body Programming

1 module documented

Body control module, gateway and accessory programming. Includes feature-bit reconfiguration.

Open Modules tab

Gateway / Security Access

6 modules documented

Secure gateway module identification, bypass workflow and security-access planning before programming.

Open Security tab

TCU / Transmission

2 modules documented

Transmission control module reprogramming, adaptive learning reset and replacement TCM clone.

Open Modules tab

SRS / Airbag Reset

8 modules documented

Crash-data clear, hard-code reset and replacement airbag module configuration.

Open Modules tab

ABS / Brake Module

1 module documented

ABS / EBCM bleed support, replacement module coding and yaw-rate sensor calibration.

Open Modules tab

Key Security & Immobilizer

1 module documented

Immobilizer modules, key/fob types, add-key + all-keys-lost (AKL) capability and security overview.

Open Security tab

IPC, SAS & Other Modules

4 modules documented

Instrument cluster cloning, steering angle sensor calibration and other supporting modules.

Open Modules tab

Connectivity & Accessories

2 modules documented

Infotainment radio, surround view, remote start, trailer brake controller and other equipped systems.

Open Modules tab

Recalibration Triggers

4 modules documented

Service events that require ADAS recalibration on this vehicle. Tap to see what triggers what.

Open ADAS tab

Need something not listed? Most undocumented modules can still be programmed.

Get a Quote

Feature availability 2

Forward Collision Alert, Automatic Emergency Braking, Lane Keep Assist, Lane Dep

Available

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

Immobilizer: PassKey III+

Standard

Key programming requires manufacturer-level tool access.

WHAT WE RESOLVE

Common issues on this vehicle

Common GMC Terrain issues we resolve on this platform: Forward Collision Alert / Automatic Emergency Braking, Lane Keep Assist / Lane Departure Warning (LKA/LDW), Rear Cross Traffic Alert (RCTA), and Side Blind Zone Alert recalibration after windshield/bumper/suspension/CCM service. Module programming for replacement ECU/PCM, BCM, TCU, or accessory modules - D2 platform uses GMLAN HS-CAN 500kbps, MS-GMLAN 33.3kbps, LIN bus. Key programming and immobilizer faults - PassKey III+ immobilizer; all-keys-lost supported.

ADAS CALIBRATION MATRIX

ADAS systems on this vehicle

Forward Collision Alert, Automatic Emergency Braking, Lane Keep Assist, Lane Departure Warning, Side Blind Zone Alert, Rear Cross-Traffic Alert - RPO UHX/UEU/UFG

Scroll for part numbers and Details

System	Type	Category	Cal. Type	Supported	Part #
Forward Collision Alert / Automatic Emergency Braking	Front Camera	Camera	Static	YES	84282500
Lane Keep Assist / Lane Departure Warning (LKA/LDW)	Forward Camera	Camera	Static	YES	84282500
Rear Cross Traffic Alert (RCTA)	Side Radar	Radar	None	YES	84282510
Side Blind Zone Alert	Side Radar	Radar	None	YES	84282510
Rear View Camera	Rear Camera	Camera	Static	YES	84282520

WHEN IS CALIBRATION REQUIRED?

Triggers for ADAS recalibration

Windshield Replacement Affected: FEC Camera, FCA, AEB, LKA, LDW

Static FEC calibration required via GDS2 SPS2. OEM glass recommended. DTC B127E if skipped. D2 platform windshield rake angle sensitive for EyeQ3.

Rear Bumper Repair Affected: SBZA and RCTA Sensors

SPS2 PMI if sensors replaced. Drive-off self-calibration after PMI.

Any Collision Affected: SDM, FEC Camera, Rear Sensors, Airbags

Full scan. SDM crash clear or replace. Verify all impact sensors.

Any Module Replacement Affected: BCM, ECM, TCM, EBCM, SDM, ICS, IPC

SPS2 PMI mandatory via GDS2. Preserve trim RPO config - SLT/Denali ADAS differs from SLE.

SRS MODULES

SRS Modules

Sensing & Diagnostic Module (SDM) x8

13520997 Under center console

PART: 13520997
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.

84339144 Under center console

PART: 84339144
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.

85135694 Under center console

PART: 85135694
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.

85135696 Under center console

PART: 85135696
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.

84288918 Under center console

PART: 84288918
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.

84288919 Under center console

PART: 84288919
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.

13576422 Under center console

PART: 13576422
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.

13504470 Under center console

PART: 13504470
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

ECM - 1.5L Turbo (LYX) 12695100

PART: 12695100
PROTOCOL: OBD Programming Port
CODING: Yes
CLONE: Yes
CHIP/MCU: Delco E80 (compact)
NOTES: RPO LYX. Most common D2 Terrain engine. SPS2 Programming Port GDS2. Turbo boost calibration included.

ECM - 2.0L Turbo (LTG) 12695101

PART: 12695101
PROTOCOL: OBD Programming Port
CODING: Yes
CLONE: Yes
CHIP/MCU: Delco E80
NOTES: RPO LTG. Higher output option. SPS2 Programming Port. Not interchangeable with 1.5T ECM.

TCM - 9-speed 9T50 24295600

PART: 24295600
PROTOCOL: OBD Programming Port
CODING: Yes
CLONE: Yes
CHIP/MCU: Delco T87A
NOTES: 9-speed automatic. SPS2 PMI. Transmission quick learn via GDS2 after replacement. DTC P0700 common until programmed.

BCM MODULES

BCM Modules

Body Control Module (BCM) 84282540

PART: 84282540
SECURITY: PASS-Key III+
CODING: Yes
CLONE: Yes
NOTES: PassKey III+. SPS2 PMI required. Configure for trim level (SLE/SLT/Denali) and powertrain (1.5T/2.0T/Diesel). Clone transfers RPO config. Preserve full RPO list.

TCU / TCM TRANSMISSION MODULES

TCU / TCM Transmission Modules

TCU - 9T45 9-Speed Auto 24288028

PART: 24288028
PROTOCOL: Bench
CODING: Yes
CLONE: Yes
CHIP/MCU: NXP MPC5746M
NOTES: New generation platform. GM GDS2/MDI2 required. Dexron ULV ATF. TCM relearn via scan tool. VIN coding required.

TCU - 9T50 9-Speed Auto 24288029

PART: 24288029
PROTOCOL: Bench
CODING: Yes
CLONE: Yes
CHIP/MCU: NXP MPC5746M
NOTES: 9T50 AWD variant. GM GDS2/MDI2 required. Dexron ULV ATF. TCM relearn via scan tool.

ABS / BRAKE MODULES

ABS / Brake Modules

Electronic Brake Control Module (EBCM) 84282550

PART: 84282550
CLONE: Yes
NOTES: SPS2 PMI required. Automated bleed via GDS2.

OTHER MODULES (IPC, SAS)

Other Modules (IPC, SAS)

Instrument Panel Cluster (IPC) 84459120

PART: 84459120
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) 84459121

PART: 84459121
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)

CODING: Yes
NOTES: INTEGRATED (clock spring / steering column module

Steering Angle Sensor (SAS)

CODING: Yes
NOTES: cross-year extension)

CONNECTIVITY & ACCESSORIES

Connectivity & Accessories

ICS - IntelliLink (7 inch - base) / 8 inch (SLT / Denali) 84282480

PART: 84282480
NOTES: SPS2 PMI. Apple CarPlay/Android Auto standard SLT/Denali.

Driver Information Center (DIC) 84282490

PART: 84282490
NOTES: SPS2 PMI. Mileage stored in BCM.

GATEWAY / SECURITY MODULES

Gateway / Security Modules

Central Gateway Module

SECURITY: VIN-locked (UDS)
VIN LOCKED: Yes
CODING: Yes
CHIP/MCU: D70F3558(read-write)
NOTES: Compatibility label: Buick. Central gateway routes CAN/CAN-FD/Ethernet between module domains. Replacement requires VIN write and as-built configuration load via OEM software (ODIS, FDRS, DTS Monaco, etc.).

Central Gateway Module

SECURITY: VIN-locked (UDS)
VIN LOCKED: Yes
CODING: Yes
CHIP/MCU: 2015- 1M12S
NOTES: Compatibility label: CRUZE. Central gateway routes CAN/CAN-FD/Ethernet between module domains. Replacement requires VIN write and as-built configuration load via OEM software (ODIS, FDRS, DTS Monaco, etc.).

Central Gateway Module

SECURITY: VIN-locked (UDS)
VIN LOCKED: Yes
CODING: Yes
CHIP/MCU: 2015- 1M12S
NOTES: Compatibility label: Cavalier. Central gateway routes CAN/CAN-FD/Ethernet between module domains. Replacement requires VIN write and as-built configuration load via OEM software (ODIS, FDRS, DTS Monaco, etc.).

Central Gateway Module

SECURITY: VIN-locked (UDS)
VIN LOCKED: Yes
CODING: Yes
CHIP/MCU: D70F3385(read-write)
NOTES: Compatibility label: Chevrolet. Central gateway routes CAN/CAN-FD/Ethernet between module domains. Replacement requires VIN write and as-built configuration load via OEM software (ODIS, FDRS, DTS Monaco, etc.).

Central Gateway Module

SECURITY: VIN-locked (UDS)
VIN LOCKED: Yes
CODING: Yes
CHIP/MCU: 2015- 1M12S
NOTES: Compatibility label: Excelle. Central gateway routes CAN/CAN-FD/Ethernet between module domains. Replacement requires VIN write and as-built configuration load via OEM software (ODIS, FDRS, DTS Monaco, etc.).

Central Gateway Module

SECURITY: VIN-locked (UDS)
VIN LOCKED: Yes
CODING: Yes
CHIP/MCU: 2015- 1M12S
NOTES: Compatibility label: SAIL. Central gateway routes CAN/CAN-FD/Ethernet between module domains. Replacement requires VIN write and as-built configuration load via OEM software (ODIS, FDRS, DTS Monaco, etc.).

KEY SECURITY & IMMOBILIZER

Key Security & Immobilizer

System PassKey III+
Add Key Yes
All Keys Lost Yes

PassKey III+ (PKES) - SPS2 GDS2 required

IMMOBILIZER MODULES

Immobilizer Modules

PassKey III+ Immobilizer

SECURITY: PASS-Key III+
NOTES: PassKey III+. GDS2 SPS2 key programming. AKL requires SPS2 security access. Generic programmers incompatible.

KEY & FOB TYPES

Key & Fob Types

Proximity Smart Key Fob 13532763

PART: 13532763
NOTES: PassKey III+. SPS2 key learning via GDS2. Min 2 keys for add-key. AKL requires SPS2 security access + BCM coordination.

Replacement Notes

PassKey III+ system. SPS/ACDelco TDS required for key programming and module replacement. Pin code extractable via obd; akl supported.

ARCHITECTURE & CONNECTIVITY

Architecture & Connectivity

Body Construction: High-strength steel unibody
OBD Protocol: ISO 15765-4 CAN
CAN Architecture: GMLAN HS-CAN 500kbps, MS-GMLAN 33.3kbps, LIN bus
Infotainment: GMC IntelliLink - 7 inch (SLE) / 8 inch (SLT/Denali)
OTA Capable: No
Infotainment Name: GMC Infotainment 3
ECU/TCM Unlocking: Contact us
ECU/TCM Flashing: Confirmed
Reviewed coverage: 2018 - 1.5L Turbo 16v (LYX), 1.5T, 1.6L Turbo 16v (LH7), 1.6d.
Confirm the exact engine, ECU, and any prerequisite access method before service.

FREQUENTLY ASKED QUESTIONS

FAQ

How much does ADAS calibration cost for a 2018 GMC Terrain?

ADAS calibration pricing for a 2018 GMC Terrain depends on which of its 5 documented systems need work after a repair. This vehicle is documented with Forward Collision Alert / Automatic Emergency Braking, Lane Keep Assist / Lane Departure Warning (LKA/LDW), Rear Cross Traffic Alert (RCTA), Side Blind Zone Alert, and Rear View Camera. We provide a fixed quote after confirming the operations performed - send the VIN, the repair scope (windshield R&R, bumper work, alignment, collision), and any DTCs so the quote response can include a real number.

Can you reset the airbag light on a 2018 GMC Terrain?

Yes. The 2018 GMC Terrain uses a factory SRS control module that we support. We read and clear stored crash data, then restore the module to factory status so the airbag warning light goes out and the system returns to full operation. Reference part number on this vehicle: 13520997. Mobile diagnosis and programming are the active service path. Mail-in bench intake is temporarily unavailable. Send the part number and a description of what triggered the light, and we will provide a quote and scheduling window.

What is needed after replacing the windshield on a 2018 GMC Terrain?

After windshield replacement on a 2018 GMC Terrain, Forward Collision Alert / Automatic Emergency Braking, Lane Keep Assist / Lane Departure Warning (LKA/LDW), and Rear View Camera rely on the forward-facing camera and require recalibration before the systems return to operation. We perform the calibration on-site in the DFW Metroplex with OE target fixtures. Mail-in intake is temporarily unavailable.

How long does a 2018 GMC Terrain module service take?

Most 2018 GMC Terrain onsite jobs are typically scheduled within 24-48 hours once vehicle readiness, access, and route timing are confirmed. This vehicle has roughly 20 programmable modules documented in our database (3 ECU, 1 BCM, 2 TCU, 1 ABS, plus IPC/SAS/gateway/accessory). Mobile module work and ADAS calibration are scheduled in the DFW service area after quote review. Mail-in module intake is temporarily unavailable.

Do you cover the 2018 GMC Terrain on-site, or is this mail-in only?

We run a mobile unit across the DFW Metroplex for on-vehicle work (ADAS calibration, key programming, IMMO pairing, post-repair recoding, and supported module work). Mail-in module intake is temporarily unavailable. Quote the work and we will confirm the active service path for the 2018 GMC Terrain. Do not ship a module unless support confirms next steps.

What kind of warranty do you offer on 2018 GMC Terrain programming?

Every programming, cloning, and calibration job on the 2018 GMC Terrain is backed by a workmanship warranty covering the scope of work we performed: 1-year unlimited on all flashes, clones, and ADAS calibrations. If a module we programmed or a calibration we performed fails to function as expected, return it and we restore it at no charge. The warranty covers our work; it does not cover unrelated mechanical or electrical failure of the module itself.

Can you program a 2018 GMC Terrain with no working keys (all-keys-lost)?

Yes - all-keys-lost is supported on the 2018 GMC Terrain. Immobilizer generation on this platform: PassKey III+. Adding a key (with a working key already in hand) is also supported - typically faster and less expensive than an all-keys-lost reset. Submit the VIN and we will confirm the procedure and quote before scheduling.

Which modules on a 2018 GMC Terrain can you actually service?

We program, clone, repair, or replace the full programmable-module stack on a 2018 GMC Terrain. For this vehicle our database documents:

3 engine control (ECU/PCM)
2 transmission control (TCU/TCM)
1 body control (BCM and related)
1 ABS / brake control (EBCM)
1 immobilizer / security
1 key & fob
2 instrument cluster (IPC)
2 steering angle sensor (SAS)
5 ADAS module

Infotainment on this platform: GMC Infotainment 3. Send the VIN and the operations performed and we will confirm support and pricing.

OTHER MODEL YEARS

2026 2025 2024 2023 2022 2021 2020 2019 2017 2016 2018

OTHER GMC MODELS

Sierra-1500 Acadia Yukon Sierra-2500HD Canyon Savana Yukon-Xl Hummer-EV

Additional Module Part Numbers

Additional OEM-sourced part numbers for the 2018 GMC Terrain covering ADAS, ECU/PCM, BCM, TCU/TCM, SRS, ABS/EBCM, instrument cluster (IPC), gateway, and steering angle sensor modules when available. These reference numbers assist technicians with module identification and sourcing prior to programming.

ADAS Module Part Numbers: 84347922, 84347923
ECU / PCM Part Numbers: 12694149, 12694150
BCM / Body Module Part Numbers: 84282540
TCU / TCM Part Numbers: 24288028, 24288029
SRS / Airbag Module Part Numbers: 13520997, 84339144, 85135694, 85135696, 84288918, 84288919, 13576422, 13504470
ABS / EBCM Part Numbers: 84344557, 84344558
Instrument Cluster (IPC) Part Numbers: 84459120, 84459121
Transmission Control Module (TCM) Part Numbers: 24288028, 24288029

Part numbers are OEM base references. Verify exact suffix via VIN-specific build data before ordering. Core Auto Logic provides mobile programming services for all listed modules in the DFW area.

Different trim or build?

Send your VIN and we'll confirm exact module support and pricing in the quote response.

Send VIN & ask (945) 382-4065

Hit a security wall? We've got the keys.

1-year unlimited warranty on every flash and calibration.

Get a Quote (945) 382-4065

(945) 382-4065 Get a Quote

Shared module fitment

Vehicles sharing modules with the 2018 GMC Terrain

These vehicles use one or more of the same replacement modules indexed for this vehicle.

2015 Gmc Terrain PCM 2016 Gmc Terrain PCM 2017 Gmc Terrain PCM 2019 Gmc Terrain PCM 2020 Gmc Terrain PCM 2021 Gmc Terrain PCM