VIN / Build Split
VIN pos 4-8 identifies series/body/engine. GM WMI: 1GY (Cadillac). Position 8 = engine code. Position 10 = model year code.
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2021 Cadillac Escalade Supported Services
2021 Cadillac Escalade
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 Escalade)
- CAN Architecture GMLAN (HS-CAN + MS-CAN); Ethernet backbone (infotainment/display); LIN bus (body peripherals); OBD-II DLC HS-CAN 500kbps
- Security GM PASS-Key III+ with PKE (T1XX Gen) - BCM-linked; GDS2 + TIS2WEB required; OTA capable
OVERVIEW
Expert ADAS calibration, module programming, and diagnostic recovery for the 2021 Cadillac Escalade. On this vehicle we cover documented systems include Forward Camera (Monocular), Forward Radar (77GHz), and Blind Spot Monitor Sensor - Left (BSM), this GMT T1XX (5th Gen Escalade) platform vehicle, GM PASS-Key III+ (T1XX Gen - OTA capable) immobilizer support, Cadillac Infotainment 3 infotainment programming. Mobile across the DFW Metroplex; mail-in module work is temporarily unavailable.
Platform
GMT T1XX (5th Gen Escalade)
Production
2007-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 (infotainment/display); LIN bus (body peripherals); OBD-II DLC HS-CAN 500kbps
YEAR-SPECIFIC NOTES
Infotainment
Cadillac Infotainment 3
Exact-year service summary for 2021 Cadillac Escalade
ADAS coverage
This 2021 Cadillac Escalade page documents 7 ADAS systems, including Forward Camera (Monocular), Forward Radar (77GHz), Blind Spot Monitor Sensor - Left (BSM), and Blind Spot Monitor Sensor - Right (BSM).
View ADAS dataCalibration triggers
Documented calibration triggers include Windshield Replacement, Front Bumper Repair, Rear Bumper Repair, and Mirror Replacement. Use the ADAS tab for the full trigger list.
View triggersProgrammable modules
This page indexes 28 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 2021 Cadillac Escalade.
View securityCore Auto Logic capability
Core Auto Logic supports exact-year diagnostics, ADAS calibration, module programming, and security-access planning for the 2021 Cadillac Escalade using the documented systems and module data on this page.
Choose a sectionWhat changes on this exact year
Feature availability
Forward Collision Alert, Automatic Emergency Braking, Lane Keep Assist, Lane Dep - Available; Immobilizer: GM PASS-Key III+ (T1XX Gen - Standard; Platform: GMT T1XX (5th Gen Escalade) - Confirmed
Driver-assist suite
Forward Collision Alert, Automatic Emergency Braking, Lane Keep Assist, Lane Departure Warning, Adaptive Cruise Control, Super Cruise (RPO KSG), Blind Zone Alert, Rear Cross-Traffic Alert, Surround Vision, Night Vision (Platinum)
VIN and build split
VIN pos 4-8 identifies series/body/engine. GM WMI: 1GY (Cadillac). Position 8 = engine code. Position 10 = model year code.
Infotainment context
Cadillac Infotainment 3; 38-inch curved OLED (14.2-inch cluster + 16.9-inch infotainment + 7.2-inch climate); Wireless CarPlay + Android Auto; 4G LTE OnStar hotspot
Network and access
CAN: GMLAN (HS-CAN + MS-CAN); Ethernet backbone (infotainment/display); LIN bus (body peripherals); OBD-II DLC 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.
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 2021 Cadillac Escalade. Counts reflect modules our techs have programmed or calibrated on this exact platform.
ADAS Calibration
7 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
1 module documented
Transmission control module reprogramming, adaptive learning reset and replacement TCM clone.
Open Modules tabSRS / Airbag Reset
8 modules documented
Crash-data clear, hard-code reset and replacement airbag module configuration.
Open Modules tabABS / Brake Module
1 module documented
ABS / EBCM bleed support, replacement module coding and yaw-rate sensor calibration.
Open Modules tabKey Security & Immobilizer
1 module documented
Immobilizer modules, key/fob types, add-key + all-keys-lost (AKL) capability and security overview.
Open Security tabIPC, SAS & Other Modules
8 modules documented
Instrument cluster cloning, steering angle sensor calibration and other supporting modules.
Open Modules tabConnectivity & Accessories
5 modules documented
Infotainment radio, surround view, remote start, trailer brake controller and other equipped systems.
Open Modules tabRecalibration Triggers
10 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 3
Forward Collision Alert, Automatic Emergency Braking, Lane Keep Assist, Lane Dep
AvailableCalibration required after windshield replacement, camera/radar service, or structural repair affecting sensor alignment.
Immobilizer: GM PASS-Key III+ (T1XX Gen
StandardKey programming requires manufacturer-level tool access.
Platform: GMT T1XX (5th Gen Escalade)
ConfirmedVerify platform code matches when cross-referencing part numbers across model years.
WHAT WE RESOLVE
Common issues on this vehicle
Common Cadillac Escalade issues we resolve on this platform: Forward Camera (Monocular), Forward Radar (77GHz), Blind Spot Monitor Sensor - Left (BSM), and Blind Spot Monitor Sensor - Right (BSM) recalibration after windshield/bumper/suspension/CCM service. Module programming for replacement ECU/PCM, BCM, TCU, or accessory modules - GMT T1XX (5th Gen Escalade) platform uses GMLAN (HS-CAN + MS-CAN); Ethernet backbone (infotainment/display); LIN bus (body peripherals); OBD-II DLC HS-CAN 500kbps. Key programming and immobilizer faults - GM PASS-Key III+ (T1XX Gen - OTA capable) 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, Adaptive Cruise Control, Super Cruise (RPO KSG), Blind Zone Alert, Rear Cross-Traffic Alert, Surround Vision, Night Vision (Platinum)
Scroll for part numbers and Details
| System | Type | Category | Cal. Type | Supported | Part # | Actions |
|---|---|---|---|---|---|---|
| Forward Camera (Monocular) | Forward Camera | Camera | Static | YES | ~84888720 | |
| Forward Radar (77GHz) | Front Radar | Radar | Static | YES | ~84888522 | |
| Blind Spot Monitor Sensor - Left (BSM) | Side Radar | Radar | Static + Dynamic | YES | ~84888600 | |
| Blind Spot Monitor Sensor - Right (BSM) | Side Radar | Radar | Static + Dynamic | YES | ~84888601 | |
| Surround Vision (4-Camera) | Forward Camera | Camera | Static | YES | ~84888800 | |
| Super Cruise Driver Attention Camera (RPO KSG) | Forward Camera | Camera | Static | YES | - | |
| Night Vision IR Camera (Platinum) | Forward Camera | Camera | Static | YES | ~84890123 |
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 Replacement Affected: Forward Camera (LKA/LDW/AEB), Super Cruise Driver Attention Camera (KSG), Surround Vision front camera
GDS2 static calibration required for forward camera after windshield R&R. Super Cruise driver attention camera may require recalibration on KSG builds. Target placement per T1XX WSM. Confirm all LKA, LDW, AEB, ACC function after calibration.
Front Bumper Repair Affected: Front Radar (ACC/AEB), Park Assist, Night Vision IR (Platinum), Surround Vision front
GDS2 radar alignment required. Night Vision IR camera recalibration if camera removed. Surround Vision front camera recalibration if disturbed. Inspect all brackets.
Rear Bumper Repair Affected: BZA Rear Radars (L/R), Rear Park Assist, Surround Vision rear
GDS2 BZA initialization if rear radar sensors disturbed. Surround Vision rear camera recalibration if disturbed. Full 4-camera recal required if any surround camera replaced.
Mirror Replacement Affected: Surround Vision side cameras (integrated in mirror assemblies)
Full 4-camera Surround Vision calibration required via GDS2 + calibration mat if mirror assembly with camera replaced.
Wheel Alignment / Suspension Work Affected: Front Radar, Forward Camera (ride height sensitive)
IRS (new on T1XX) - any component replacement or ride height change requires radar re-alignment and forward camera recalibration. Vehicle must be at final curb weight before ADAS calibration.
Any Collision Affected: SDM, all airbags, all ADAS sensors, Super Cruise suite (KSG)
Full module scan mandatory. SDM replace-only (T1XX unit). All disturbed ADAS sensors recalibrated. Super Cruise suite requires full re-initialization on KSG builds after collision. Do not deliver with unresolved SRS or ADAS DTCs.
Any Module Replacement Affected: BCM, ECM, TCM, SDM, EBCM, display assembly
SPS/TIS2WEB for ECM, BCM. GDS2 for all other modules. PASS-Key relearn if BCM or ECM replaced. SAS calibration if EBCM replaced. OTA connectivity verification after BCM or display replacement.
Forward Camera Replacement
Camera module replacement requires full recalibration using GDS2/MDI2.
Forward Radar Replacement
Radar module replacement requires alignment/calibration using GDS2/MDI2.
BSM Sensor Replacement
Blind spot monitoring sensor replacement requires calibration using GDS2/MDI2.
SRS MODULES
SRS Modules
Sensing & Diagnostic Module (SDM) x8
13518546 Under center console
- 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.
84396838 Under center console
- PART
- 84396838
- 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.
84396837 Under center console
- PART
- 84396837
- 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.
13548962 Under center console
- PART
- 13548962
- 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.
13518546 Under center console
- 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.
84396838 Under center console
- PART
- 84396838
- 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.
84396837 Under center console
- PART
- 84396837
- 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.
13548962 Under center console
- PART
- 13548962
- 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 - L87 6.2L V8 EcoTec3 ~12697 (VERIFY VIA GMDB BY VIN)
- PART
- ~12697 (VERIFY VIA GMDB BY VIN)
- PROTOCOL
- OBD Programming Port
- CODING
- Yes
- CLONE
- Yes
- CHIP/MCU
- Delphi/Aptiv ECM
- NOTES
- SPS/TIS2WEB. VIN tie required. PASS-Key III+ security parameter transfer. DFM (Dynamic Fuel Management) cylinder deactivation adaptation reset after ECM replacement. Cam phaser relearn via GDS2. Injector balance rate reset. Idle relearn. Battery >=12.4V or charger during programming.
ECM - LM2 3.0L Duramax Diesel ~12708 (VERIFY VIA GMDB)
- PART
- ~12708 (VERIFY VIA GMDB)
- PROTOCOL
- OBD Programming Port
- CODING
- Yes
- CLONE
- Yes
- CHIP/MCU
- Delphi diesel ECM
- NOTES
- SPS/TIS2WEB. VIN tie + PASS-Key transfer. DIESEL: DPF adaptation reset required after ECM replacement. Injector return flow calibration. DEF system check via GDS2. Glow plug module communication check. Allow extra SPS time for diesel ECM.
TCM - 10L80 10-Speed Automatic ~24290 (VERIFY VIA GMDB)
- PART
- ~24290 (VERIFY VIA GMDB)
- PROTOCOL
- OBD Programming Port
- CODING
- Yes
- CLONE
- No
- CHIP/MCU
- Delphi TCM
- NOTES
- GDS2 TCM quick learn after replacement. Transmission adaptive data reset.
BCM MODULES
BCM Modules
Body Control Module (BCM) ~84778910
- PART
- ~84778910
- SECURITY
- PKES
- CODING
- Yes
- CLONE
- Yes
- NOTES
- SPS/TIS2WEB programming required. All customer keys present at relearn. Configure all RPOs: Super Cruise (KSG), MRC 4.0, Surround Vision, Night Vision, AKG audio, remote start, trailer management, heated/cooled seats. OTA-capable - verify connectivity after BCM replacement. VIN programming required.
HVAC Control Module ~84778915
- PART
- ~84778915
- SECURITY
- none
- CODING
- Yes
- CLONE
- No
- NOTES
- GDS2 HVAC actuator calibration. Quad-zone auto climate with rear zone controls integrated in 38-inch display. Verify all zones and rear display HVAC controls functional after replacement.
TCU / TCM TRANSMISSION MODULES
TCU / TCM Transmission Modules
TCU - 10R80 10-Speed Auto 84631
- PART
- 84631
- PROTOCOL
- J2534
- CODING
- Yes
- CLONE
- No
- CHIP/MCU
- Continental TC397
- NOTES
- Requires GM SPS2 programming, transmission adaptive relearn via Tech2Win, Dexron VI ATF spec, VIN coding mandatory
ABS / BRAKE MODULES
ABS / Brake Modules
EBCM (Electronic Brake Control Module) - T1XX ~84780200
- PART
- ~84780200
- CLONE
- Yes
- NOTES
- T1XX EBCM - Bosch/Continental. GDS2 ABS/StabiliTrak initialization + 4-wheel bleed after replacement. Pressure bleed preferred. Steering angle sensor zero-point calibration required - GDS2 SAS reset + drive straight 35+ mph on level surface. StabiliTrak warning remains until SAS learning completes. NOT interchangeable with K2XX EBCM.
OTHER MODULES (IPC, SAS)
Other Modules (IPC, SAS)
Instrument Panel Cluster (IPC) x7
85530425
- PART
- 85530425
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
85118043
- PART
- 85118043
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
85530423
- PART
- 85530423
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
85118041
- PART
- 85118041
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
85530422
- PART
- 85530422
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
85530424
- PART
- 85530424
- CLONE
- Yes
- NOTES
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
85118040
- PART
- 85118040
- 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) x1
- CODING
- Yes
- NOTES
- INTEGRATED (SCM clock spring)
CONNECTIVITY & ACCESSORIES
Connectivity & Accessories
38-Inch Curved OLED Display Assembly ~84889000
- PART
- ~84889000
- NOTES
- Combined 14.2-inch instrument cluster + 16.9-inch infotainment + 7.2-inch climate in single curved assembly. GDS2 display setup after replacement. Wireless Apple CarPlay + Android Auto standard. VIN association required. Super Cruise HUD integration on KSG builds.
Head-Up Display (HUD) ~84889001
- PART
- ~84889001
- NOTES
- Standard on Premium Luxury+. GDS2 HUD calibration after replacement. Integrates Super Cruise status on KSG vehicles. Verify all data overlays functional after calibration.
AKG 36-Speaker Audio System ~84889010
- PART
- ~84889010
- NOTES
- Premium Luxury/Platinum only. GDS2 audio module setup after amplifier replacement. Verify all zones and channels operational. OEM replacement only - aftermarket not compatible with CAN-bus audio architecture.
Magnetic Ride Control 4.0 Module ~84889020
- PART
- ~84889020
- NOTES
- Updated MRC 4.0 on T1XX with IRS geometry. GDS2 MRC initialization after module replacement. Road test all drive modes (Tour, Sport, My Mode) after calibration.
Super Cruise Module (RPO KSG)
- NOTES
- Hands-free highway driving. Requires active OnStar + GM LiDAR map subscription. GDS2 Super Cruise initialization after module replacement. RPO KSG must be present in BCM. Driver attention camera must pass calibration before Super Cruise is operational.
GATEWAY / SECURITY MODULES
Gateway / Security Modules
Central Gateway 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
- 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
- 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
- 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
- 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
- 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 PASS-Key III+ (T1XX Gen - OTA capable)
- Add Key Yes
- All Keys Lost Yes
GM PASS-Key III+ with PKE (T1XX Gen) - BCM-linked; GDS2 + TIS2WEB required; OTA capable
IMMOBILIZER MODULES
Immobilizer Modules
PassKey III+ Immobilizer
- SECURITY
- PKES
- NOTES
- Updated PASS-Key III+ with PKE on T1XX. GDS2 + TIS2WEB for all key programming. PIN extraction via authorized GM tools. BCM replacement requires all customer keys present at relearn. AKL requires TIS2WEB dealer-level authorization. Max 8 keys.
KEY & FOB TYPES
Key & Fob Types
Proximity Smart Key Fob ~84889050
- PART
- ~84889050
- NOTES
- GM PASS-Key III+ / PKE on T1XX. GDS2 + TIS2WEB for all programming. Min 2 working keys for add-key. AKL requires TIS2WEB dealer-level security. Remote start integrated. Max 8 keys.
Replacement Notes
GM PASS-Key III+ (T1XX Gen - OTA capable) system. SPS/ACDelco TDS required for key programming and module replacement. Pin code extractable via obd; akl supported.
ARCHITECTURE & CONNECTIVITY
Architecture & Connectivity
- Body Construction
- Body-on-Frame - High-Strength Steel Ladder Frame; Independent Rear Suspension (new 2021); aluminum-intensive body panels
- OBD Protocol
- ISO 15765-4 CAN (500kbps HS-CAN); CAN-FD capable on select modules
- CAN Architecture
- GMLAN (HS-CAN + MS-CAN); Ethernet backbone (infotainment/display); LIN bus (body peripherals); OBD-II DLC HS-CAN 500kbps
- Infotainment
- 38-inch curved OLED (14.2-inch cluster + 16.9-inch infotainment + 7.2-inch climate); Wireless CarPlay + Android Auto; 4G LTE OnStar hotspot
- OTA Capable
- Yes
- Infotainment Name
- Cadillac Infotainment 3
- ECU/TCM Unlocking
- Contact us
- ECU/TCM Flashing
- Confirmed
Reviewed coverage: 2021 - 6.2L V8 Supercharged 16v (LT4).
Confirm the exact engine, ECU, and any prerequisite access method before service.
OPENPILOT / COMMA.AI
Openpilot Compatibility
Not Supported
Not supported - escalade 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 2021 Cadillac Escalade?
ADAS calibration pricing for a 2021 Cadillac Escalade depends on which of its 7 documented systems need work after a repair. This vehicle is documented with Forward Camera (Monocular), Forward Radar (77GHz), Blind Spot Monitor Sensor - Left (BSM), Blind Spot Monitor Sensor - Right (BSM), and Surround Vision (4-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 2021 Cadillac Escalade?
Yes. The 2021 Cadillac Escalade 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: 13518546. 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 2021 Cadillac Escalade?
After windshield replacement on a 2021 Cadillac Escalade, Forward Camera (Monocular), Forward Radar (77GHz), Surround Vision (4-Camera), Super Cruise Driver Attention Camera (RPO KSG), and Night Vision IR Camera (Platinum) 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 2021 Cadillac Escalade module service take?
Most 2021 Cadillac Escalade onsite jobs are typically scheduled within 24-48 hours once vehicle readiness, access, and route timing are confirmed. This vehicle has roughly 27 programmable modules documented in our database (3 ECU, 2 BCM, 1 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 2021 Cadillac Escalade 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 2021 Cadillac Escalade. Do not ship a module unless support confirms next steps.
What kind of warranty do you offer on 2021 Cadillac Escalade programming?
Every programming, cloning, and calibration job on the 2021 Cadillac Escalade 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 2021 Cadillac Escalade with no working keys (all-keys-lost)?
Yes - all-keys-lost is supported on the 2021 Cadillac Escalade. Immobilizer generation on this platform: GM PASS-Key III+ (T1XX Gen - OTA capable). 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 2021 Cadillac Escalade can you actually service?
We program, clone, repair, or replace the full programmable-module stack on a 2021 Cadillac Escalade. For this vehicle our database documents:
- 3 engine control (ECU/PCM)
- 1 transmission control (TCU/TCM)
- 2 body control (BCM and related)
- 1 ABS / brake control (EBCM)
- 1 immobilizer / security
- 1 key & fob
- 7 instrument cluster (IPC)
- 1 steering angle sensor (SAS)
- 7 ADAS module
Infotainment on this platform: Cadillac Infotainment 3. Send the VIN and the operations performed and we will confirm support and pricing.
Additional Module Part Numbers
Additional OEM-sourced part numbers for the 2021 Cadillac Escalade 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
- 84840506, 85113687, CT4, CT5 SHARED)
- ECU / PCM Part Numbers
- 12719704, 12703872-FAMILY
- BCM / Body Module Part Numbers
- ~84778910, ~84778915
- TCU / TCM Part Numbers
- 84631
- SRS / Airbag Module Part Numbers
- 13518546, 84396838, 84396837, 13548962
- ABS / EBCM Part Numbers
- 84780200
- Instrument Cluster (IPC) Part Numbers
- 85530425, 85118043, 85530423, 85118041, 85530422, 85530424, 85118040
- Transmission Control Module (TCM) Part Numbers
- 84631
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.
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1-year unlimited warranty on every flash and calibration.
Shared module fitment
Vehicles sharing modules with the 2021 Cadillac Escalade
These vehicles use one or more of the same replacement modules indexed for this vehicle.