Cadillac XT6 2021 Fuse Box Info
Passenger compartment fuse box location:
The instrument panel fuse box is inside the center console on the passenger side of the vehicle.
Engine compartment fuse box location:
Luggage compartment fuse box location:
The rear compartment fuse box is in the cargo area, on the driver side of the vehicle behind the lower trim panel.
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Functions |
| 1 | Body control module 6 |
| 2 | Diagnostic link/ Central gateway module |
| 3 | Electric steering column lock |
| 4 | - |
| 5 | Logistics |
| 6 | Heating, ventilation, and air conditioning |
| 7 | Body control module 3 |
| 8 | - |
| 9 | Right front heated seat |
| 10 | Airbag/Seat belt |
| 11 | - |
| 12 | Amplifier 2 |
| 13 | Body control module 7 |
| 14 | Spare/Left front heated seat |
| 15 | Instrument panel switch bank |
| 16 | Sunroof |
| 17 | Body control module 1 |
| 18 | Instrument cluster/ Head up display |
| 19 | - |
| 20 | Rear seat entertainment |
| 21 | Body control module 4 |
| 22 | Infotainment/USB data/Aux jack |
| 23 | Body control module 2 |
| 24 | USB charger/ Wireless charging |
| 25 | Park assist/ Electronic shift select |
| 26 | Communications integration module |
| 27 | Video/Night vision module |
| 28 | Heating, ventilation, and air conditioning display |
| 29 | Radio |
| 30 | Steering wheel adjustment controls |
| 31 | Electric brake boost |
| 32 | DC AC inverter |
| 33 | Driver power seat |
| 34 | Passenger power seat |
| 35 | Battery IEC 1 feed |
| 36 | Electric power steering |
| 37 | Rear seat entertainment/USB charge/Wireless charging module/ Auxiliary power outlet/Lighter |
| 38 | Body control module 8 |
| 39 | - |
| 40 | - |
| 41 | - |
| 42 | Auxiliary power outlet/Lighter |
Engine compartment fuse box:
| Fuse/Relay N° | Functions |
| 1 | Antilock brake system |
| 2 | Starter 1 |
| 3 | DC DC transformer 1 |
| 4 | - |
| 5 | DC DC transformer 2 |
| 6 | Amplifier 1 |
| 7 | Front blower |
| 8 | Starter 3 |
| 9 | - |
| 10 | - |
| 11 | - |
| 12 | Front wiper |
| 13 | Starter 2 |
| 14 | - |
| 15 | Rear wiper 1 |
| 16 | - |
| 17 | - |
| 18 | Automatic headlamp leveling module |
| 19 | - |
| 20 | - |
| 21 | - |
| 22 | Electronic brake control module |
| 23 | Parking/Trailer lamps |
| 24 | Right trailer stoplamp/Turnlamp |
| 25 | Steering column lock |
| 26 | - |
| 27 | Left trailer stoplamp/ Turnlamp |
| 28 | - |
| 29 | - |
| 30 | Washer pump |
| 31 | - |
| 32 | Headlamp left |
| 33 | - |
| 34 | Horn |
| 35 | - |
| 36 | - |
| 37 | Headlamp right |
| 38 | Not Used/Spare |
| 39 | Transmission control module 1 |
| 40 | Left rear bus electrical center/DC DC ignition |
| 41 | Instrument cluster |
| 42 | Heating, ventilation, and air conditioning/ Central gateway module/Run/Crank |
| 43 | Head-up Display/ Reflective Light Auxiliary |
| 44 | Electronic brake control module electric brake booster/ Run/Crank |
| 45 | - |
| 46 | - |
| 47 | - |
| 48 | Rear wiper 2 |
| 49 | Interior Rearview Mirror/Trailer/Rear Heated Seats/Run/ Crank |
| 50 | Fuel Tank Zone Module/Run/Crank |
| 51 | Heated steering wheel |
| 52 | Folding seats switch |
| 53 | Engine Coolant Pump |
| 54 | - |
| 55 | Air conditioning clutch |
| 56 | Not Used/Spare |
| 57 | Engine control module/Ignition |
| 58 | Transmission control module/ Ignition |
| 59 | Engine control module battery |
| 60 | - |
| 61 | O2 sensor 1/ Aeroshutter/Mass air flow sensor |
| 62 | Engine control module – odd |
| 63 | O2 sensor 2 |
| 64 | Engine control module–even |
| 65 | Engine control module powertrain 1 |
| 66 | Engine control module powertrain 2 |
| 67 | Engine control module powertrain 3 |
| 68 | - |
| 69 | - |
| 70 | - |
| 71 | - |
| 72 | - |
| 73 | - |
| 74 | - |
| 75 | - |
| 76 | - |
| 77 | - |
| K1 | Starter 1 relay |
| K2 | Run/Crank relay |
| K3 | Starter 3 relay |
| K4 | - |
| K5 | Air conditioning relay |
| K6 | - |
| K7 | Engine control module relay |
| K8 | Folding seats relay |
| K9 | - |
| K10 | Starter 2 relay |
Luggage compartment fuse box:
| Fuse/Relay N° | Functions |
| 1 | - |
| 2 | Trailer battery 1 |
| 3 | Driver seat belt motor |
| 4 | Rear blower |
| 5 | Rear drive control |
| 6 | Passenger seat belt motor |
| 7 | Right window |
| 8 | Rear defogger |
| 9 | Left window |
| 10 | Folding seats 1 |
| 11 | Trailer reverse |
| 12 | - |
| 13 | - |
| 14 | - |
| 15 | - |
| 16 | - |
| 17 | - |
| 18 | Trailer module |
| 19 | Ventilated seats/Left front heated seats/ Run/Crank |
| 20 | - |
| 21 | Trailer connector |
| 22 | - |
| 23 | - |
| 24 | Passenger window switch |
| 25 | - |
| 26 | Trailer brake |
| 27 | - |
| 28 | Passive entry/ Passive start |
| 29 | - |
| 30 | Canister vent |
| 31 | - |
| 32 | Heated mirrors |
| 33 | - |
| 34 | Liftgate module |
| 35 | Fuel system control module |
| 36 | - |
| 37 | - |
| 38 | Window module |
| 39 | - |
| 40 | Memory seat module |
| 41 | Automatic occupancy sensor |
| 42 | Trailer battery 2 |
| 43 | - |
| 44 | Third row seats |
| 45 | Liftgate motor |
| 46 | Rear heated seats |
| 47 | - |
| 48 | Glass break sensor |
| 49 | - |
| 50 | - |
| 51 | - |
| 52 | Active dampening system module |
| 53 | - |
| 54 | External object calculating/Side blind zone alert |
| 55 | Theft deterrent |
| 56 | Universal garage door opener/Rain sensor |
| 57 | Folding seats 2 |
| CB1 | - |
| CB2 | - |
| CB3 | Rear auxiliary power outlet |
| K1 | Folding seats 1 |
| K2 | - |
