VIN / Build Split
VIN pos 4-8 identifies series/body/engine. GM WMI: 1G1 (Chevy car), 1GC (Chevy truck), 3GN (Chevy SUV). Position 8 = engine code. Position 10 = model year code.
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2020 Chevrolet Tahoe Supported Services
2020 Chevrolet Tahoe
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 GMT T1XX (5th Gen Full-Size SUV)
- CAN Architecture GMLAN (HS-CAN + MS-CAN), Ethernet backbone on select modules; OBD2 DLC Pin 6/14 HS-CAN 500kbps
- Security GM PASS-Key III+ - BCM PKE passive entry, RKE 315MHz 128-bit rolling code; GDS2 + TIS2WEB for AKL
What do you need fixed?
Choose a service to start your quote.
OVERVIEW
Expert ADAS calibration, module programming, and diagnostic recovery for the 2020 Chevrolet Tahoe. On this vehicle we cover documented systems include Forward camera / lane or collision camera - if equipped, Forward radar / adaptive cruise - if equipped, and Parking, blind-zone, rear camera, or surround-view sensors - if equipped, this GMT T1XX (5th Gen Full-Size SUV) platform vehicle, PK3/PK3+ / PEPS immobilizer support, Chevrolet Infotainment 3 infotainment programming. Mobile across the DFW Metroplex; mail-in module service is available nationwide.
Platform
GMT T1XX (5th Gen Full-Size SUV)
Production
2000-present
Trim Levels
Multiple trim levels available. ADAS feature availability varies by trim and options package. Contact us for specific trim calibration requirements.
Drivetrain
RWD / AWD / 4WD
Engine
-
CAN Speed
GMLAN (HS-CAN + MS-CAN), Ethernet backbone on select modules; OBD2 DLC Pin 6/14 HS-CAN 500kbps
YEAR-SPECIFIC NOTES
Infotainment
Chevrolet Infotainment 3
Exact-year service summary for 2020 Chevrolet Tahoe
ADAS coverage
This 2020 Chevrolet Tahoe page documents 3 ADAS systems, including Forward camera / lane or collision camera - if equipped, Forward radar / adaptive cruise - if equipped, and Parking, blind-zone, rear camera, or surround-view sensors - if equipped.
View ADAS dataCalibration triggers
Documented calibration triggers include Windshield, camera, radar, bumper, or body repair, BCM, ECM, EBCM, gateway, infotainment, or security module replacement, and Suspension, alignment, steering, brake, or chassis service. Use the ADAS tab for the full trigger list.
View triggersProgrammable modules
This page indexes 21 programmable module records across SRS, ECU, BCM, TCU/TCM, ABS, and IPC coverage.
View modulesGateway and security
This page includes 8 gateway, immobilizer, or key-security records for this 2020 Chevrolet Tahoe.
View securityCore Auto Logic capability
Core Auto Logic supports exact-year diagnostics, ADAS calibration, module programming, and security-access planning for the 2020 Chevrolet Tahoe using the documented systems and module data on this page.
Choose a sectionWhat changes on this exact year
Feature availability
GM Co-Pilot360 Plus: Forward Collision Alert/Automatic Emergency Braking, Lane C - Available; Platform: GMT T1XX (5th Gen Full-Size SUV) - Confirmed
Driver-assist suite
Driver-assist equipment varies by trim, package, and build. Verify cameras, radar, parking sensors, and calibration requirements by VIN.
VIN and build split
VIN pos 4-8 identifies series/body/engine. GM WMI: 1G1 (Chevy car), 1GC (Chevy truck), 3GN (Chevy SUV). Position 8 = engine code. Position 10 = model year code.
Infotainment context
Chevrolet Infotainment 3; Chevrolet Infotainment 3 Premium - 10.2" standard; 15" portrait High Country; Wireless Apple CarPlay + Android Auto; Google Built-In available
Network and access
CAN: GMLAN (HS-CAN + MS-CAN), Ethernet backbone on select modules; OBD2 DLC Pin 6/14 HS-CAN 500kbps
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.
ADAS scan, setup, and verification
Autel, Launch Tech, Topdon
Used where aftermarket coverage supports the procedure; OEM software remains required for locked factory routines.
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
Choose a section to view data
SUPPORTED SYSTEMS
What we service on this vehicle
Documented module coverage for the 2020 Chevrolet Tahoe. Counts reflect modules our techs have programmed or calibrated on this exact platform.
ADAS Calibration
3 modules documented
Forward camera, radar, surround-view and lane-keep recalibration after windshield, suspension or fascia work.
Open ADAS tabEngine / ECU Programming
3 modules documented
Powertrain reprogramming, calibration updates, replacement ECU configuration and security access.
Open Modules tabBCM / Body Programming
2 modules documented
Body control module, gateway and accessory programming. Includes feature-bit reconfiguration.
Open Modules tabGateway / Security Access
6 modules documented
Secure gateway module identification, bypass workflow and security-access planning before programming.
Open Security tabTCU / Transmission
2 modules documented
Transmission control module reprogramming, adaptive learning reset and replacement TCM clone.
Open Modules tabSRS / Airbag Reset
6 modules documented
Crash-data clear, hard-code reset and replacement airbag module configuration.
Open Modules tabABS / Brake Module
3 modules documented
ABS / EBCM bleed support, replacement module coding and yaw-rate sensor calibration.
Open Modules tabIPC, SAS & Other Modules
3 modules documented
Instrument cluster cloning, steering angle sensor calibration and other supporting modules.
Open Modules tabConnectivity & Accessories
2 modules documented
Infotainment radio, surround view, remote start, trailer brake controller and other equipped systems.
Open Modules tabRecalibration Triggers
3 modules documented
Service events that require ADAS recalibration on this vehicle. Tap to see what triggers what.
Open ADAS tabNeed something not listed? Most undocumented modules can still be programmed.
Get a QuoteFeature availability 2
GM Co-Pilot360 Plus: Forward Collision Alert/Automatic Emergency Braking, Lane C
AvailableCalibration required after windshield replacement, camera/radar service, or structural repair affecting sensor alignment.
Platform: GMT T1XX (5th Gen Full-Size SUV)
ConfirmedVerify platform code matches when cross-referencing part numbers across model years.
WHAT WE RESOLVE
Common issues on this vehicle
Common Chevrolet Tahoe issues we resolve on this platform: Forward camera / lane or collision camera - if equipped, Forward radar / adaptive cruise - if equipped, and Parking, blind-zone, rear camera, or surround-view sensors - if equipped recalibration after windshield/bumper/suspension/CCM service. Module programming for replacement ECU/PCM, BCM, TCU, or accessory modules - GMT T1XX (5th Gen Full-Size SUV) platform uses GMLAN (HS-CAN + MS-CAN), Ethernet backbone on select modules; OBD2 DLC Pin 6/14 HS-CAN 500kbps.
ADAS CALIBRATION MATRIX
ADAS systems on this vehicle
Driver-assist equipment varies by trim, package, and build. Verify cameras, radar, parking sensors, and calibration requirements by VIN.
Scroll for part numbers and Details
| System | Type | Category | Cal. Type | Supported | Part # | Actions |
|---|---|---|---|---|---|---|
| Forward camera / lane or collision camera - if equipped | Forward Camera | - | Static or dynamic per GM service information | Conditional | GDS2 WORKFLOW | |
| Forward radar / adaptive cruise - if equipped | Radar | - | Static or dynamic per GM service information | Conditional | GDS2 WORKFLOW | |
| Parking, blind-zone, rear camera, or surround-view sensors - if equipped | Parking / blind-zone / camera | - | Setup or calibration per GM service information | Conditional | GDS2 WORKFLOW |
ADAS SYSTEM
YES Supported
Identification
- System type
- Module category
- Sensor location
Part Numbers
- OEM
- Alternative
Calibration & Triggers
- Calibration type
- Programming approach
- Requires PMI
- Trigger events
Technical Notes
- Chip / MCU
- Service notes
Need this calibrated?
Get a quote for ADAS calibration WHEN IS CALIBRATION REQUIRED?
Triggers for ADAS recalibration
Windshield, camera, radar, bumper, or body repair
Verify installed ADAS equipment by VIN. Follow GM service information for static or dynamic calibration, target setup, sensor aiming, and post-repair DTC checks.
BCM, ECM, EBCM, gateway, infotainment, or security module replacement
Replacement can require Techline Connect/SPS programming, GDS2/MDI setup, option configuration, immobilizer relearn, and network health checks. Verify the exact procedure by VIN.
Suspension, alignment, steering, brake, or chassis service
Check SAS, yaw/lateral sensors, EBCM, radar/camera aim, and related DTCs after chassis or body work. Use GM service information for the model-year procedure.
SRS Modules
Sensing & Diagnostic Module (SDM) 84057085
- Part number
- 84057085
- Location
- Under center console
- Manufacturer
- 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) 13524237
- Part number
- 13524237
- Location
- Under center console
- Manufacturer
- 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) 23425293
- Part number
- 23425293
- Location
- Under center console
- Manufacturer
- 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) 23425292
- Part number
- 23425292
- Location
- Under center console
- Manufacturer
- 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) 26671010
- Part number
- 26671010
- Location
- Under center console
- Manufacturer
- 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) 13507217
- Part number
- 13507217
- Location
- Under center console
- Manufacturer
- 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
ECM / engine control module - 5.3L / 6.2L V8 powertrain modules GDS2 WORKFLOW
- Part number
- GDS2 WORKFLOW
- Protocol / method
- GM Techline Connect/SPS by VIN
- Cloning supported
- Conditional
- Chip / MCU
- Verify by VIN
- Notes
- Verify the exact Tahoe ECM/engine control module by VIN. GM Techline Connect/SPS and GDS2/MDI workflows may be required for replacement, setup, configuration, immobilizer relearn, or calibration.
TCM / transmission control module - if equipped separately GDS2 WORKFLOW
- Part number
- GDS2 WORKFLOW
- Protocol / method
- GM Techline Connect/SPS and GDS2 setup by VIN
- Cloning supported
- Conditional
- Chip / MCU
- Verify by VIN
- Notes
- Transmission-control architecture and learn procedures vary by powertrain. Verify exact TCM, quick-learn, adaptive reset, and setup requirements by VIN.
Infotainment, gateway, or chassis control module - if equipped GDS2 WORKFLOW
- Part number
- GDS2 WORKFLOW
- Protocol / method
- GM service procedure by VIN
- Cloning supported
- Conditional
- Chip / MCU
- Verify by VIN
- Notes
- Some replacements require online SPS programming, option setup, theft lock or VIN pairing, and post-repair network checks.
BCM Modules
BCM / body control module - VIN-specific GDS2 WORKFLOW
- Part number
- GDS2 WORKFLOW
- Security
- GM immobilizer/key security varies by build
- Coding required
- Yes
- Notes
- Verify the exact Tahoe BCM/body control module by VIN. GM Techline Connect/SPS and GDS2/MDI workflows may be required for replacement, setup, configuration, immobilizer relearn, or calibration.
RKE / keyless access / body option modules - if equipped GDS2 WORKFLOW
- Part number
- GDS2 WORKFLOW
- Security
- VIN and option configuration required
- Coding required
- Yes
- Notes
- Verify RKE, passive-entry, theft-deterrent, trailer, lighting, and body options by VIN. Replacement can require setup, security learns, and option configuration.
TCU / TCM Transmission Modules
TCU - 10L90 10-Speed Auto 24282062
- Part number
- 24282062
- Protocol / method
- J2534
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- Continental TC297
- Notes
- Requires TIS2WEB programming, transmission adaptive learn, ATF: Mobil 1 Synthetic ATF LV HP or equivalent GM DEXRON-VI
TCU - 8L90 8-Speed Auto 24282
- Part number
- 24282
- Protocol / method
- J2534
- Coding required
- Yes
- Cloning supported
- Yes
- Chip / MCU
- Continental TC297
- Notes
- Requires SPS2 programming, transmission relearn procedure, ATF: DEXRON-VI only, some units require bench programming if corrupted
ABS / Brake Modules
Electronic Brake Control Module (EBCM) 84 (VERIFY 2024)
- Part number
- 84 (VERIFY 2024)
- Notes
- GDS2 ABS/ESC init. 4-wheel bleed (pressure preferred). SAS zero-point - drive 35+ mph straight.
Wheel Speed Sensor (each corner) 13512
- Part number
- 13512
- Notes
- Torque spec. GDS2 DTC clear. Road test 15+ mph.
HCU 84
- Part number
- 84
- Notes
- GDS2 auto bleed. Firm pedal before road test.
Other Modules (IPC, SAS)
Instrument Panel Cluster (IPC) 84597918
- Part number
- 84597918
- Cloning supported
- 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) 84597930
- Part number
- 84597930
- Cloning supported
- 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 required
- Yes
- Notes
- INTEGRATED (SCM clock spring)
Connectivity & Accessories
Factory infotainment, OnStar, camera, and display equipment - VIN-specific GDS2 WORKFLOW
- Part number
- GDS2 WORKFLOW
- Notes
- Factory infotainment and connected-equipment content varies by trim, option package, and build. Verify hardware, subscription state, and setup requirements by VIN.
Body, trailer, parking, and convenience electronics - if equipped GDS2 WORKFLOW
- Part number
- GDS2 WORKFLOW
- Notes
- Verify installed modules and options by VIN. Follow GM service information for setup, initialization, relearns, and post-repair DTC checks.
Gateway / Security Modules
Central Gateway Module
- Manufacturer
- Renesas
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- D70F3585
- Notes
- Compatibility label: Chevrolet. Air conditioning Notes: Read/Write
Central Gateway Module
- Manufacturer
- Renesas
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- D70F3558
- Notes
- Compatibility label: Buick. BCM Notes: Read/Write
Central Gateway Module
- Manufacturer
- Various / Unlisted
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- 1M12S
- Notes
- Compatibility label: CRUZE. BCM Notes: Years: 2015-
Central Gateway Module
- Manufacturer
- Various / Unlisted
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- 1M12S
- Notes
- Compatibility label: Cavalier. BCM Notes: Years: 2015-
Central Gateway Module
- Manufacturer
- Various / Unlisted
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- 1M12S
- Notes
- Compatibility label: Excelle. BCM Notes: Years: 2015-
Central Gateway Module
- Manufacturer
- Various / Unlisted
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- 1M12S
- Notes
- Compatibility label: SAIL. BCM Notes: Years: 2015-
ARCHITECTURE & CONNECTIVITY
Architecture & Connectivity
- Body Construction
- Body-on-frame; high-strength steel ladder frame; SUV body
- OBD Protocol
- ISO 15765-4 CAN (500 kbps HS-CAN)
- CAN Architecture
- GMLAN (HS-CAN + MS-CAN), Ethernet backbone on select modules; OBD2 DLC Pin 6/14 HS-CAN 500kbps
- Infotainment
- Chevrolet Infotainment 3 Premium - 10.2" standard; 15" portrait High Country; Wireless Apple CarPlay + Android Auto; Google Built-In available
- OTA Capable
- Yes
- Infotainment Name
- Chevrolet Infotainment 3
- ECU/TCM Unlocking
- Contact us
- ECU/TCM Flashing
- Confirmed
Reviewed coverage: 2020 - 5.3L V8 EcoTec III 16v (L83), 6.2L V8 EcoTec III 16v (L86).
Confirm the exact engine, ECU, and any prerequisite access method before service.
OPENPILOT / COMMA.AI
Openpilot Compatibility
Not Supported
Not supported - tahoe not in openpilot support tree
Not in openpilot support tree as of April 2026.
FREQUENTLY ASKED QUESTIONS
FAQ
How much does ADAS calibration cost for a 2020 Chevrolet Tahoe?
ADAS calibration pricing for a 2020 Chevrolet Tahoe depends on which of its 3 documented systems need work after a repair. This vehicle is documented with Forward camera / lane or collision camera - if equipped, Forward radar / adaptive cruise - if equipped, and Parking, blind-zone, rear camera, or surround-view sensors - if equipped. 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 2020 Chevrolet Tahoe?
Yes. The 2020 Chevrolet Tahoe 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: 84057085. Mobile diagnosis and programming are available in DFW, and mail-in module service is available nationwide. 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 2020 Chevrolet Tahoe?
After windshield replacement on a 2020 Chevrolet Tahoe, Forward camera / lane or collision camera - if equipped, Forward radar / adaptive cruise - if equipped, and Parking, blind-zone, rear camera, or surround-view sensors - if equipped 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 module service is available nationwide for eligible module work.
How long does a 2020 Chevrolet Tahoe module service take?
Most 2020 Chevrolet Tahoe onsite jobs are typically scheduled within 24-48 hours once vehicle readiness, access, and route timing are confirmed. This vehicle has roughly 22 programmable modules documented in our database (3 ECU, 2 BCM, 2 TCU, 3 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 service is available nationwide.
Do you cover the 2020 Chevrolet Tahoe on-site, or is this mail-in only?
We run a mobile unit across the DFW Metroplex for on-vehicle work (ADAS calibration, post-repair recoding, and supported module work). Mail-in module service is available nationwide. Quote the work and we will confirm the active service path for the 2020 Chevrolet Tahoe. Do not ship a module unless support confirms next steps.
What kind of warranty do you offer on 2020 Chevrolet Tahoe programming?
Every programming, cloning, and calibration job on the 2020 Chevrolet Tahoe 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.
Which modules on a 2020 Chevrolet Tahoe can you actually service?
We program, clone, repair, or replace the full programmable-module stack on a 2020 Chevrolet Tahoe. For this vehicle our database documents:
- 3 engine control (ECU/PCM)
- 2 transmission control (TCU/TCM)
- 2 body control (BCM and related)
- 3 ABS / brake control (EBCM)
- 1 immobilizer / security
- 1 key & fob
- 2 instrument cluster (IPC)
- 1 steering angle sensor (SAS)
- 3 ADAS module
Infotainment on this platform: Chevrolet Infotainment 3. Send the VIN and the operations performed and we will confirm support and pricing.
OTHER CHEVROLET MODELS
Additional Module Part Numbers
Additional OEM-sourced part numbers for the 2020 Chevrolet Tahoe 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
- ACC-RADAR-77GHZ
- ECU / PCM Part Numbers
- GDS2 WORKFLOW
- BCM / Body Module Part Numbers
- GDS2 WORKFLOW
- TCU / TCM Part Numbers
- 24282062, 24282
- SRS / Airbag Module Part Numbers
- 84057085, 13524237, 23425293, 23425292, 26671010, 13507217
- ABS / EBCM Part Numbers
- 84528
- Instrument Cluster (IPC) Part Numbers
- 84597918, 84597930
- Transmission Control Module (TCM) Part Numbers
- 24282062, 24282
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.
Hit a security wall? We've got the keys.
1-year unlimited warranty on every flash and calibration.
Shared module fitment
Vehicles sharing modules with the 2020 Chevrolet Tahoe
These vehicles use one or more of the same replacement modules indexed for this vehicle.
Finish the repair
Need help finishing this repair?
Get onsite help in Dallas-Fort Worth. Ask about same-day availability or a one-time remote session for eligible non-VSP work.
GM SPS2 Explore one-time factory coding and programming. We confirm the software and procedure for your vehicle. Module programming & recovery Replacing a module or dealing with a failed programming attempt? Send the part numbers and fault scan for review. Onsite tools & equipment Bring in a technician or ask about hourly, daily and weekly rentals where licensing and equipment availability allow.