🌍 International coverage, work in progress. This European-market vehicle is part of our hand-curated international catalog. We are filling in labor times, torque specs and fluids as fast as we can verify them, so some numbers may be missing or marked estimated for now. Do you work on these vehicles in the EU, Russia, or the JDM scene? Help us get it right: send real shop times or corrections to [email protected], or request the data you need and it joins the verification queue.

2026 CADILLAC XT6

3.6L V6FWDAUTOMATICgas
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Dead battery / stuck in Park? Emergency neutral procedure for this XT6
Every control module on the 2020-2026 Cadillac XT6 — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
Transmission Control Module (TCM)2.5 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Integrated into transmission valve body (9-speed 9T65), accessed from underneath vehicle
🔧 GDS2/Techline Connect + Security Access
⚠️ Requires transmission fluid drain; adaptive shift tables must be cleared and relearned via test drive
Heating, Ventilation and Air Conditioning Control Module (HVAC)2.5 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Behind center stack, integrated with HVAC unit under instrument panel
🔧 Autel MaxiSys or GDS2
⚠️ Actuator calibration required; dual-zone or tri-zone configuration must match vehicle build
Electric Power Steering Control Module (EPSCM)2.0 hr R&Rdealer / factory tool +0.8 hr▸ programming details
📍 Integrated into steering column assembly, below instrument panel
🔧 GDS2/Techline Connect
⚠️ Steering angle sensor calibration required; vehicle must be driven straight on alignment rack during setup
Electronic Brake Control Module (EBCM)1.8 hr R&Rdealer / factory tool +0.8 hr▸ programming details
📍 Engine compartment, driver side inner fender area, integrated with ABS hydraulic unit
🔧 GDS2/Techline Connect
⚠️ Brake system bleed required after replacement; automated bleed procedure via scan tool mandatory
Active Chassis Control Module (ACCM)1.8 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Under vehicle, mounted to frame rail or subframe, near front suspension
🔧 GDS2/Techline Connect
⚠️ Integrates adaptive cruise, magnetic ride, and stability control; multiple sensor calibrations required
Infotainment Control Module / Cadillac User Experience (ICM/CUE)1.5 hr R&Rdealer / factory tool +0.8 hr▸ programming details
📍 Behind center touchscreen display, accessible after removing center stack trim and screen assembly
🔧 GDS2/Techline Connect
⚠️ 2020-2021 use CUE system; 2022+ use updated ICM with wireless CarPlay/Android Auto; VIN and audio system configuration required
Body Control Module (BCM)1.5 hr R&Rsecurity gateway +1.2 hr▸ programming details
📍 Behind center stack, above transmission tunnel, accessible after removing center console trim
🔧 GDS2/Techline Connect + Security Access
⚠️ Controls all body functions; replacement requires VIN programming, option configuration, and all accessory relearns (windows, seats, mirrors, lighting)
Front/Rear Radar Sensor Module (RSM)1.5 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Behind front grille (forward radar) and behind rear bumper cover (rear radar)
🔧 GDS2/Techline Connect + alignment targets
⚠️ Adaptive cruise control and collision avoidance; static and dynamic calibration with targets required; alignment critical
Transfer Case Control Module (TCCM)1.5 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Mounted to transfer case assembly, under vehicle, accessible from underneath
🔧 GDS2/Techline Connect
⚠️ AWD models only; transfer case clutch calibration and shift pattern relearn required
Surround Vision Camera Module (SVCM)1.2 hr R&Rdealer / factory tool +0.8 hr▸ programming details
📍 Behind rearview mirror assembly or integrated into infotainment system
🔧 GDS2/Techline Connect
⚠️ 360-degree camera system; dynamic calibration with alignment targets required for all four cameras
Engine Control Module (ECM)1.2 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Engine compartment, driver side firewall area, mounted to intake manifold or firewall bracket
🔧 GDS2/Techline Connect + Security Access
⚠️ VIN programming and security gateway unlock required; throttle relearn and fuel trim reset mandatory
Headlamp Control Module (HCM)1.2 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Behind headlamp assembly, integrated into headlamp housing (LED/HID models)
🔧 Autel MaxiSys or GDS2
⚠️ Headlamp leveling calibration required; adaptive lighting models require steering angle sensor input verification
OnStar Communication Module (VCIM)1.2 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Behind headliner, above rearview mirror, or in rear cargo area depending on model year
🔧 GDS2/Techline Connect + OnStar activation
⚠️ OnStar subscription reactivation required; cellular antenna connections critical for 4G LTE function
Fuel Pump Control Module (FPCM)1.0 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Under vehicle, mounted to fuel tank or frame rail near tank
🔧 Any OBD-II scan tool
⚠️ Fuel pump prime test required after installation; no VIN programming needed
Liftgate Control Module (LGM)1.0 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Inside liftgate, behind interior trim panel, near latch assembly
🔧 Autel MaxiSys or GDS2
⚠️ Power liftgate height and speed calibration required; hands-free operation relearn if equipped
Sensing and Diagnostic Module (SDM)1.0 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Center console, below center stack, mounted to floor tunnel
🔧 GDS2/Techline Connect
⚠️ Battery disconnect and 2-minute wait mandatory; all airbag sensors and seat occupancy must be recalibrated
Gateway Module (GM)1.0 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Behind instrument panel, left of steering column, mounted to body structure
🔧 GDS2/Techline Connect + Security Access
⚠️ Controls all network communication and security gateway; replacement requires full vehicle reconfiguration and all module relearns
Parking Assist Control Module (PACM)1.0 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Behind rear bumper cover, center section, or in rear cargo area behind trim
🔧 Autel MaxiSys or GDS2
⚠️ Ultrasonic sensor calibration required; front and rear sensor zones must be tested
Magnetic Ride Control Module (MRCM)1.0 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Rear cargo area, under floor, near spare tire well or mounted to body structure
🔧 GDS2/Techline Connect
⚠️ Sport and Premium Luxury models only; damper calibration and ride height sensor verification required
Instrument Panel Cluster (IPC)0.8 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Instrument panel, behind steering wheel, four screws accessible after removing trim bezel
🔧 GDS2/Techline Connect
⚠️ Mileage programming from BCM required; VIN and option configuration must be transferred
Door Control Module (DCM)0.8 hr R&Raftermarket tool +0.2 hr▸ programming details
📍 Inside door panel, lower section, accessible after removing door trim panel
🔧 Autel MaxiSys or GDS2
⚠️ Window auto-up/down limits must be relearned; power mirror and lock functions tested
Remote Control Door Lock Receiver (RCDLR)0.8 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Behind rear interior trim, driver side C-pillar or D-pillar area
🔧 GDS2/Techline Connect
⚠️ All key fobs must be reprogrammed; passive entry antenna system must be tested
Trailer Interface Control Module (TICM)0.8 hr R&Raftermarket tool +0.2 hr▸ programming details
📍 Rear cargo area, driver side, behind interior trim panel near hitch receiver
🔧 Autel MaxiSys or GDS2
⚠️ Only on models with factory tow package; trailer brake controller calibration required
Seat Control Module (SCM)0.5 hr R&Raftermarket tool +0.2 hr▸ programming details
📍 Under front seat, driver or passenger side, mounted to seat frame
🔧 Autel MaxiSys or GDS2
⚠️ Memory seat positions stored in BCM; heated/ventilated seat calibration required
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years.
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