🌍 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.

2025 CADILLAC XT4

2.0L Turbo I4AWDAUTOMATICgasturbo
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Dead battery / stuck in Park? Emergency neutral procedure for this XT4
Every control module on the 2019-2026 Cadillac XT4 — 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.
Heating, Ventilation and Air Conditioning Control Module (HVAC)2.5 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Behind center stack, integrated with HVAC unit under instrument panel
🔧 GDS2/Techline Connect
⚠️ Dual-zone or tri-zone depending on trim; refrigerant recovery required; actuator calibration after programming
Transmission Control Module (TCM)2.5 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Integrated into transmission valve body, accessed from underneath vehicle
🔧 GDS2/Techline Connect + SGW unlock
⚠️ 9-speed automatic; requires transmission fluid drain, valve body removal; adaptive relearn drive cycle required after programming
Electric Power Steering Control Module (EPSCM)2.0 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Integrated into steering column assembly, below instrument panel
🔧 GDS2/Techline Connect + SGW unlock
⚠️ Steering angle sensor calibration required after replacement; torque sensor relearn procedure mandatory
Electronic Brake Control Module (EBCM)1.8 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Engine compartment, driver side inner fender area, integrated with ABS hydraulic unit
🔧 GDS2/Techline Connect + SGW unlock
⚠️ Brake system bleed required after replacement; integrated with ESC and hill start assist
Transfer Case Control Module (TCCM)1.5 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Mounted to transfer case assembly, under vehicle center (AWD models only)
🔧 GDS2/Techline Connect
⚠️ AWD models only; active torque distribution; clutch pack relearn required after replacement
Driver Assistance Control Module (DACM)1.5 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Behind rearview mirror, integrated with camera housing, or behind instrument panel
🔧 GDS2/Techline Connect + SGW unlock + camera calibration
⚠️ Lane keep assist, lane departure warning, automatic emergency braking; camera calibration mandatory; 2020+ integrated with SVCM
Body Control Module (BCM)1.5 hr R&Rsecurity gateway +1.2 hr▸ programming details
📍 Behind center stack, above transmission tunnel, accessed by removing center console
🔧 GDS2/Techline Connect + SGW unlock
⚠️ Controls most body functions; all accessory modules must be reconfigured after replacement; option content programming critical
Surround Vision Camera Module (SVCM)1.5 hr R&Rdealer / factory tool +0.8 hr▸ programming details
📍 Behind rearview mirror, integrated with forward camera housing
🔧 GDS2/Techline Connect
⚠️ Premium Luxury and Sport trims; four-camera system; dynamic calibration required; windshield camera for lane keep assist
Gateway Module (GM)1.3 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Behind center stack, near BCM, above transmission tunnel
🔧 GDS2/Techline Connect + SGW unlock
⚠️ Security gateway; controls access to all modules; replacement requires full vehicle reconfiguration; critical for network communication
Door Control Module (DCM)1.2 hr R&Rdealer / factory tool +0.3 hr▸ programming details
📍 Inside each door, behind door panel (one per door with power features)
🔧 GDS2/Techline Connect
⚠️ Controls windows, locks, mirrors; driver door module is master; window auto-up/down relearn required
Engine Control Module (ECM)1.2 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Engine compartment, driver side firewall area, mounted to bulkhead
🔧 GDS2/Techline Connect + SGW unlock
⚠️ VIN programming and security gateway unlock required; 2.0L turbo ECM location differs slightly from 2.7L turbo
Parking Assist Control Module (PACM)1.2 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Behind rear bumper cover, center, or integrated with rear camera module
🔧 GDS2/Techline Connect
⚠️ Ultrasonic sensors front and rear; sensor calibration required; integrated with surround vision on Premium Luxury
Infotainment Control Module (ICM)1.2 hr R&Rdealer / factory tool +0.8 hr▸ programming details
📍 Behind center touchscreen display, center stack
🔧 GDS2/Techline Connect
⚠️ 8-inch or 10-inch touchscreen depending on trim; CUE system; navigation data separate; OnStar reactivation required
Sensing and Diagnostic Module (SDM)1.0 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Center console, below center stack, mounted to floor tunnel
🔧 GDS2/Techline Connect + SGW unlock
⚠️ Wait 2 minutes after battery disconnect before handling; crash data retrieval available; VIN and option programming required
Fuel Pump Control Module (FPCM)1.0 hr R&Rdealer / factory tool +0.3 hr▸ programming details
📍 Under vehicle, mounted to fuel tank or frame rail near tank
🔧 GDS2/Techline Connect
⚠️ Controls fuel pump speed based on demand; configuration required for proper fuel delivery mapping
Liftgate Control Module (LGM)1.0 hr R&Rdealer / factory tool +0.4 hr▸ programming details
📍 Inside liftgate, behind interior trim panel, driver side
🔧 GDS2/Techline Connect
⚠️ Power liftgate standard on most trims; hands-free operation requires calibration; pinch protection relearn mandatory
Magnetic Ride Control Module (MRCM)1.0 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Rear cargo area, driver side, behind trim panel (Sport models with adaptive suspension)
🔧 GDS2/Techline Connect
⚠️ Optional on Sport trim; real-time damping control; damper calibration required; ride height sensor inputs
OnStar Communication Module (VCIM)1.0 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Behind headliner, above rearview mirror area, or behind rear cargo trim panel (varies by year)
🔧 GDS2/Techline Connect + SGW unlock + OnStar activation
⚠️ OnStar subscription reactivation required; 4G LTE module; ESN registration with OnStar mandatory
Rear Radar Sensor Module (RRSM)0.8 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Behind rear bumper cover, driver and passenger sides (two modules)
🔧 GDS2/Techline Connect
⚠️ Rear cross traffic alert and blind zone alert; two separate modules; calibration required after replacement
Instrument Panel Cluster (IPC)0.8 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Instrument panel, behind gauge cluster lens, driver side
🔧 GDS2/Techline Connect + SGW unlock
⚠️ 8-inch digital display; mileage transfer from old module required; VIN and option programming mandatory
Headlamp Control Module (HCM)0.8 hr R&Rdealer / factory tool +0.3 hr▸ programming details
📍 Behind left headlamp assembly, driver side front fender area
🔧 GDS2/Techline Connect
⚠️ LED headlamps; auto high beam and adaptive lighting on Premium Luxury/Sport trims require calibration
Remote Control Door Lock Receiver (RCDLR)0.8 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Behind rear cargo trim panel, driver side, or integrated into liftgate module
🔧 GDS2/Techline Connect + SGW unlock
⚠️ All key fobs must be reprogrammed after replacement; passive entry antenna integration
Seat Control Module (SCM)0.6 hr R&Raftermarket tool +0.2 hr▸ programming details
📍 Under driver and/or passenger seat, mounted to seat frame (one per power seat)
🔧 GDS2 or Autel MaxiSys
⚠️ Memory seats require position relearn; heated/ventilated seat configuration; massage function on Premium Luxury trim
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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