Cadillac XT4 2022 Fuse Box Info
Passenger compartment fuse box location:
The instrument panel fuse box is on the driver side of the instrument panel, between the steering wheel and the door.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Functions |
| 1 | WNDW LT – Left Power Window |
| 2 | WNDW RT – Right Power Window |
| 3 | - |
| 4 | DC-DC BAT 2/1 – Direct Current to Direct Current Converter 2 |
| 5 | APO CARGO – Auxiliary Power Outlet – Cargo |
| 6 |
HTD SEAT BATT 1 – Heated Seat Battery 1 – |
| 7 |
HTD SEAT BATT 2 – Heated Seat Battery 2 – |
| 8 | BCM 3 – Body Control Module 3 – LED Headlamp Low Beam Right Control Signal, Right Front Turn Lamp Control Signal, Left Front Side Marker and Auxiliary Park, Left Rear Tail/Side Marker Control Signal, Left Daytime Running Lamps Control Signal |
| 9 | ELEC PRK/BRK – Electric Park Brake |
| 10 | BCM 2 SS – Body Control Module 2 (Stop/Start) – Interior Lamps Control Signal, Door Handle Puddle Lamp (LED), Left Cornering Lamp, Right Cornering Lamp, Interior Lamps Control Signal, Backup Lamp Supply Voltage, License Plate Lamp Control Signal, Rear Closure Cargo Lamp Control Signal, Center High Mounted Stop Lamp LED Lamp Control Signal |
| 11 | - |
| 12 | - |
| 13 | - |
| 14 | - |
| 15 | TCM SS – Transmission Control Module (Stop/ Start) |
| 16 | AMP – Amplifier |
| 17 | - |
| 18 |
VPM – Video Processing Module – |
| 19 |
PWR STR COL – Power Steering Column – |
| 20 | BCM 6 – Body Control Module 6 – LED Backlight Control, Interior Lighting Inadvertent Load Control Signal, Fuel Door Lock Control Signal, LED Backlight Control Signal |
| 21 | BCM 4 – Body Control Module 4 – LED Headlamp Low Beam Left Control Signal, Right Front Side Marker and Auxiliary Park, Right Rear Tail/ Side Marker Control Signal, Left Rear Stop Lamp Control Signal, Left Rear Stop/Turn Lamp Control Signal, Right DRL Control Signal |
| 22 | BCM 7 – Body Control Module 7 – Right Rear Stop Lamp Control Signal, Right Rear Stop/ Turn Lamp Control Signal, Left Front Turn Lamp Control Signal, Right Rear Turn Control Signal |
| 23 | ESCL – Not Used |
| 24 | Airbag |
| 25 | DLC – Data Link Connector |
| 26 | - |
| 27 | - |
| 28 | - |
| 29 | BCM 8 – Body Control Module 8 – Internal Driver/Fuel Door Unlock Relay Control Signal, Internal Non-Driver Door Lock Relay Control Signal, Internal All Door Unlock Relay Control Signal |
| 30 | OVERHD CNSL – Overhead Console |
| 31 | STR/WHL/CNTRL – Steering Wheel Controls |
| 32 | - |
| 33 | HVAC – Heating Ventilation and Air Conditioning Control Module |
| 34 | CGM – Central Gateway Module |
| 35 |
HEATED SW – Heated Seat Switch/Hazard Switch – |
| 36 | Wireless Charger Module/USB Charge Port |
| 37 | APO FRT – Not Used |
| 38 | OnStar |
| 39 | Displays – Shifter Interface Board/Center Stack/Head Up Display/ Instrument Panel Cluster/HVAC Display |
| 40 | OBS DET – Long Range Radar Sensor/ Ultrasonic Park Assist Module/Camera Module/External Object Calculating Module/ Side Blind Zone Alert Modules |
| 41 | BCM 1 SS – Body Control Module 1 (Stop/Start) – LED Indicator Lighting Control, Accessory LED Control, Run-Start LED Control, Ambient Lighting LED Control 2, Liftgate Latch Motor Control Signal, Rear Wiper Control Signal, High Beam Lamp Control (Direct Drive), Rear Fog LED Lamp Control Signal, Windshield Washer Pump Motor Control Signal, Run/Crank Relay Control Signal, ECM/TCM ACC Wakeup Control Signal, Left Rear Turn Control Signal, Rear Wiper Wash Pump Control Signal, Brake Pedal Apply Signal |
| 42 | RDO – Radio |
| 43 |
APO CNSL – Console Auxiliary Power Outlet (Circuit Breaker) – |
| 44 |
APO CNSL – Front Console Auxiliary Power Outlet – |
| K1 | - |
| K2 | RAP/ACCY – Retained Accessory Power |
| K3 | Content Theft – Not Used |
| K4 | - |
| K5 | - |
Engine compartment fuse box:
| Fuse/Relay N° | Functions |
| 3 | EBCM – Electronic Brake Control Module |
| 4 | - |
| 5 | Trailer Brake – Not Used |
| 6 | REAR CLOSR – Spare |
| 7 |
TRLR ST/TRN LT – Left Trailer Stop/Turn Lamp – |
| 8 | MSM – Memory Seat Module – Driver and Passenger |
| 9 | PFAF – Not Used |
| 10 |
SADS – Semi-active Damping System/Spare – |
| 11 | DC DC BAT 1/2 – Direct Current to Direct Current Converter 1 |
| 12 | REAR DEFOG – Rear Window Defogger |
| 13 | HTD MIR – Outside Rear View Mirrors Defogger |
| 14 | - |
| 15 | PEPS – Passive Entry Passive Start Module |
| 16 | FRT/WPR – Front Wiper |
| 17 |
PASS/PWR/SEAT – Passenger Power Seat – |
| 18 | LGM MTR – Power Liftgate |
| 19 | DRVR/PWR/SEAT – Driver Power Seat/ Memory Seat Module/ Driver Seat Massage Control |
| 20 | REAR DEFOG – Rear Defogger/Outside Rear View Mirrors Defogger |
| 21 |
S/ROOF – Power Sunroof – |
| 22 | - |
| 23 | TIM 2 – Not Used |
| 25 | FRT WPR CNTRL – Front Wiper Control |
| 26 | TCM IGN – Transmission Control Module/Ignition |
| 27 | IP BODY IGN – Inside Rear View Mirror – Shifter Interface Board Module Run/Crank – Central Gateway Module Run/Crank – Heating Ventilation and Air Conditioning Control Module Run/Crank ignition 3 |
| 28 | RR/WPR – Rear Wiper |
| 29 | TRAILER IGN – Not Used |
| 30 | MIL SS/TIM IGN – Fuel Tank Zone Module Run/ Crank – Direct Current to Direct Current Transformer Run/Crank – Electronic Brake Control Module Run/Crank – Instrument Panel Cluster Run/Crank |
| 31 | RUN/CRNK – Run/ Crank |
| 32 |
RDCM 1 – Rear Drive Control Module 1 – |
| 33 |
FRT HTD ST 2/Spare – Front Heated Seat Power 2/Spare – |
| 34 | HANDSFREE/WDO SW – Liftgate Module/Front Window Switches |
| 35 | DEFC 2/NOT USED – /Not Used |
| 36 | FUEL MODULE – Fuel Tank Zone Module |
| 37 | FRT WPR SPD – Front Wiper Speed |
| 39 |
MASGE – Driver Seat Massage/Passenger Seat Massage – |
| 40 | STR/COL/LCK – Spare |
| 41 | - |
| 42 | - |
| 43 | HTD/STR/WHL – Heated Steering Wheel/Spare – |
| 44 |
FRT HTD 1 & VENT ST – Front Heated Seat Power Feed 1/Front Vented Seats/Rear Heated Seats/ Spare – |
| 46 | ECM IGN – Engine Control Module Ignition |
| 48 |
RDCM 2 – Rear Drive Control Module 2/Spare – |
| 49 | HVAC BLOWR MTR – Heating Ventilation and Air Conditioning Control Blower Motor |
| 50 | Spare |
| 51 | Spare |
| 54 | Spare |
| 55 | Spare |
| 56 | STRTR MTR – Starter Motor |
| 57 | - |
| 58 | - |
| 59 | HDLP HI BEAM LT/RT – High Beam Headlamps |
| 60 | TIM 1 – Not Used |
| 61 | Spare |
| 62 | Spare |
| 63 | Spare |
| 64 | STRTR MTR – Starter Motor |
| 65 | A/C CLUTCH – Air Conditioning Clutch |
| 66 | PWRTRN – Powertrain |
| 67 | Spare |
| 68 | Spare |
| 69 | - |
| 70 |
TRLR PRK LAMP – Trailer Park Lamp – |
| 71 |
TRLR PRK LAMP – Trailer Park Lamps – |
| 72 | STRTR PINION – Starter Pinion |
| 73 | A/C CNTRL – Air Conditioning Controls |
| 75 | ECM MAIN – Engine Control Module Main |
| 76 | PT OFF ENG – Powertrain Off Engine – Engine Control Module Power Train Ignition 1 |
| 78 | Horn |
| 79 | WASH PMP – Front and Rear Washer Pump |
| 80 | STRTR PINION – Starter Pinion |
| 81 | TCM/ECM/COOL PUMP – Engine Control Module Battery/Spare |
| 82 | NOx SNSR – Not Used |
| 83 | IGN COIL – Ignition Coils |
| 84 | PT ON ENG – Canister Purge Solenoid/Step Cam Exhaust Solenoid Cylinder 2 and 3/ Step Cam Intake Cylinder Solenoids/Turbo Bypass Solenoid/Oxygen Sensor (Pre)/O2 Heater/Oxygen Heated Sensor/Mass Airflow/Inlet Air Temperature/Throttle Inlet Absolute Pressure/ Coolant Flow Control Valve |
| 85 | Shunt |
| 86 | Shunt |
| 87 | DIESEL FUEL HTR 1 – Not Used |
| 88 |
AERO SH – Aeroshutter – |
| 89 | SCR MODULE – Not Used |
| 90 | PWRTRN SNSR – Not Used |
| 92 | TRLR ST/TRN RT – Spare |
| 93 | AHL/CVS – Canister Vent Solenoid |
| 94 | DEFC – Not Used |
| 95 | SMART SENSORS – Not Used |
| 96 | DIESEL FUEL HTR 2 – Not Used |
| 98 | DIESEL FUEL HTR – Not Used |
| 99 | - |
