Cadillac XT6 (2020 – 2022) – fuse and relay box diagram
Year of production: 2020, 2021, 2022
The 2020-2022 Cadillac XT6 is a mid-size luxury crossover SUV designed to offer three-row seating and a blend of comfort, technology, and performance. Positioned between the smaller XT5 and the larger Escalade, the XT6 caters to families or buyers seeking a spacious luxury vehicle with a more car-like feel than a full-size SUV.
Engine Compartment
Fuse box Location
The underhood fuse block is in the engine compartment, on the driver side of the vehicle.
Fuse Box Diagram
Assignment of the fuses in the engine compartment
| № | Description |
|---|---|
| F1 | Antilock brake system |
| F2 | Starter 1 |
| F3 | DC DC transformer 1 |
| F4 | Not Used |
| F5 | DC DC transformer 2 |
| F6 | Amplifier 1 |
| F7 | Blower front |
| F8 | Starter 3 |
| F9 | Not Used |
| F10 | Not Used |
| F11 | Not Used |
| F12 | Front wiper |
| F13 | Starter 2 |
| F14 | Not Used |
| F15 | Rear wiper 1 |
| F16 | Not Used |
| F17 | Not Used |
| F18 | Automatic headlamp leveling module |
| F19 | Not Used |
| F20 | Not Used |
| F21 | Not Used |
| F22 | Electronic brake control module |
| F23 | Parking/Trailer lamps |
| F24 | Right trailer stoplamp/Turnlamp |
| F25 | Steering column lock |
| F26 | Not Used |
| F27 | Left trailer stoplamp/ Turnlamp |
| F28 | Not Used |
| F29 | Not Used |
| F30 | Washer pump |
| F31 | Not Used |
| F32 | Headlamp left |
| F33 | Not Used |
| F34 | Horn |
| F35 | Not Used |
| F36 | Not Used |
| F37 | Headlamp right |
| F38 | Not Used |
| F39 | Transmission control module 1 |
| F40 | Left rear bus electrical center/DC DC ignition |
| F41 | Instrument cluster |
| F42 | Heating, ventilation, and air conditioning/ Central gateway module/Run/Crank |
| F43 | 2020: Head-up display 2021-2022: Head-up Display/ Reflective Light Auxiliary |
| F44 | Electronic brake control module electric brake booster/ Run/Crank |
| F45 | Not Used |
| F46 | Not Used |
| F47 | Not Used |
| F48 | Rear wiper 2 |
| F49 | 2020: Interior rearview mirror 2021-2022: Interior Rearview Mirror/ Trailer/ Rear Heated Seats/ Run/Crank |
| F50 | Fuel system control module/ Run/Crank |
| F51 | Heated steering wheel |
| F52 | Folding seats switch |
| F53 | 2021-2022: Engine Coolant Pump |
| F54 | 2020: Coolant pump |
| F55 | Air conditioning clutch |
| F56 | Not Used |
| F57 | Engine control module/Ignition |
| F58 | Transmission control module/Ignition |
| F59 | Engine control module battery |
| F60 | Not Used |
| F61 | O2 sensor 1/ Aeroshutter/Mass air flow sensor |
| F62 | Engine control module – odd |
| F63 | O2 sensor 2 |
| F64 | Engine control module – even |
| F65 | Engine control module powertrain 1 |
| F66 | Engine control module powertrain 2 |
| F67 | Engine control module powertrain 3 |
| F68 | Not Used |
| F69 | Not Used |
| F70 | Not Used |
| F71 | Not Used |
| F72 | Not Used |
| F73 | Not Used |
| F74 | Not Used |
| F75 | Not Used |
| F76 | Not Used |
| F77 | Not Used |
| Relays | |
| K1 | Starter 1 |
| K2 | Run/Crank |
| K3 | Starter 3 |
| K4 | Not Used |
| K5 | Air conditioning |
| K6 | 2020: Coolant pump |
| K7 | Engine control module |
| K8 | Folding seats |
| K9 | Not Used |
| K10 | Starter 2 |
Passenger Compartment
Fuse Box Location
The instrument panel fuse block is in the center console between the driver and passenger seats.
Fuse Box Diagram
Assignment of the fuses in the passenger compartment
| № | Description |
|---|---|
| F1 | Body control module 6 |
| F2 | Diagnostic link/ Central gateway module |
| F3 | Electric steering column lock |
| F4 | Not Used |
| F5 | Logistics |
| F6 | Heating, ventilation, and air conditioning |
| F7 | Body control module 3 |
| F8 | Not Used |
| F9 | Right front heated seat |
| F10 | Airbag/Seat belt |
| F11 | 2022: Driver Monitoring System Module |
| F12 | Amplifier 2 |
| F13 | Body control module 7 |
| F14 | 2020-2021: Left front heated seat |
| F15 | Instrument panel switch bank |
| F16 | Sunroof |
| F17 | Body control module 1 |
| F18 | Instrument cluster/ Head up display |
| F19 | Not Used |
| F20 | Rear seat entertainment |
| F21 | Body control module 4 |
| F22 | Infotainment/ USB data/ Aux jack |
| F23 | Body control module 2 |
| F24 | USB charger/ Wireless charging |
| F25 | Park assist/ Electronic shift select |
| F26 | CIM |
| F27 | Video/ Night vision module |
| F28 | Heating, ventilation, and air conditioning display |
| F29 | Radio |
| F30 | 2020-2021: Steering wheel adjustment controls |
| F31 | Electric brake boost |
| F32 | DC AC inverter |
| F33 | Driver power seat |
| F34 | Passenger power seat |
| F35 | Battery IEC 1 feed |
| F36 | Electric power steering |
| F37 | Rear seat entertainment/ USB charge/ Wireless charging module/ Auxiliary power outlet/Lighter |
| F38 | Body control module 8 |
| F39 | 2022: Steering Wheel Adjustment Controls/ Lightbar |
| F40 | Not Used |
| F41 | Not Used |
| F42 | Auxiliary power outlet / Lighter (Circuit Breaker) |
Rear Compartment
Fuse Box Location
The rear compartment fuse block is in the cargo area, on the driver side of the vehicle behind the lower trim panel.
Fuse Box Diagram
Assignment of the fuses and relays in the rear compartment
| № | Description |
|---|---|
| F1 | Not Used |
| F2 | Trailer battery 1 |
| F3 | Driver seat belt motor |
| F4 | Rear blower |
| F5 | Rear drive control |
| F6 | Passenger seat belt motor |
| F7 | Right window |
| F8 | Rear defogger |
| F9 | Left window |
| F10 | Folding seats 1 |
| F11 | Trailer reverse |
| F12 | Not Used |
| F13 | Not Used |
| F14 | Not Used |
| F15 | Not Used |
| F16 | Not Used |
| F17 | Not Used |
| F18 | 2020-2021: Trailer module 2022: Trailer Module/ External Object Calculation Module 2 Ignition |
| F19 | 2020: Ventilated seats 2021-2022: Ventilated seats / Left front heated seats/ Run/Crank |
| F20 | Not Used |
| F21 | Trailer connector |
| F22 | Not Used |
| F23 | Not Used |
| F24 | Passenger window switch |
| F25 | Not Used |
| F26 | Trailer brake |
| F27 | Not Used |
| F28 | Passive entry/Passive start |
| F29 | 2022: Advanced Driver Assist Map Module |
| F30 | Canister vent |
| F31 | Not Used |
| F32 | Heated mirror |
| F33 | Not Used |
| F34 | Liftgate module |
| F35 | Fuel system control module |
| F36 | Not Used |
| F37 | Not Used |
| F38 | Window module |
| F39 | Not Used |
| F40 | Memory seat module |
| F41 | Automatic occupancy sensor |
| F42 | Trailer battery 2 |
| F43 | Not Used |
| F44 | Third row seats |
| F45 | Liftgate motor |
| F46 | Rear heated seats |
| F47 | Not Used |
| F48 | Glass break sensor |
| F49 | Not Used |
| F50 | Not Used |
| F51 | Not Used |
| F52 | Active dampening system module |
| F53 | 2022: External Object Calculating Module 2B/ Camera Image Processing Module |
| F54 | 2020-2021: External object calculating/ Side blind zone alert 2022: External Object Calculating Module 2A/ Side Blind Zone Alert |
| F55 | Theft deterrent |
| F56 | Universal garage door opener/Rain sensor |
| F57 | Folding seats 2 |
| Circuit Breakers | |
| CB1 | Not Used |
| CB2 | Not Used |
| CB3 | Rear auxiliary power outlet |
| Relays | |
| K1 | Folding seats 1 |
| K2 | Not Used |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.