Explore Cadillac XT6 fuse box diagrams for 2020–2025 models with relay locations, fuse assignments, panel layouts, and electrical system information. This article covers the luxury mid-size crossover SUV Cadillac XT6 , available from 2020 , and includes fuse box diagrams for Cadillac XT6 2020, 2021, 2022, 2023, 2024 and 2025 , along with details about the location of the fuse panels inside the vehicle and a clear explanation of the assignment of each fuse and relay (fuse layout).
To take off the cover, press the clips on the cover and lift it straight up.
Assignment of the fuses in the engine compartment
Fuse Data
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No. Type Description 1 FMX/JCase fuse Antilock brake system 2 FMX/JCase fuse Starter 1 3 FMX/JCase fuse DC DC transformer 1 4 — Not Used 5 FMX/JCase fuse DC DC transformer 2 6 FMX/JCase fuse Amplifier 1 7 FMX/JCase fuse Blower front 8 FMX/JCase fuse Starter 3 9 — Not Used 10 — Not Used 11 — Not Used 12 FMM/MCase fuse Front wiper 13 FMM/MCase fuse Starter 2 14 — Not Used 15 Micro2 fuse Rear wiper 1 16 — Not Used 17 — Not Used 18 Micro2 fuse Automatic headlamp leveling module 19 — Not Used 20 — Not Used 21 — Not Used 22 Micro2 fuse Electronic brake control module 23 Micro2 fuse Parking/Trailer lamps 24 Micro2 fuse Right trailer stoplamp/Turnlamp 25 Micro2 fuse Steering column lock 26 — Not Used 27 Micro2 fuse Left trailer stoplamp/Turnlamp 28 — Not Used 29 — Not Used 30 Micro2 fuse Washer pump 31 — Not Used 32 Micro2 fuse Headlamp left 33 — Not Used 34 Micro2 fuse Horn 35 — Not Used 36 — Not Used 37 Micro2 fuse Headlamp right 38 Micro2 fuse Not Used 39 Micro2 fuse Transmission control module 1 40 Micro2 fuse Left rear bus electrical center, DC DC ignition 41 Micro2 fuse Instrument cluster 42 Micro2 fuse Heating, ventilation, and air conditioning, Central gateway module, Run/Crank 43 Micro2 fuse 2020: Head-up display2021-2025: Head-up Display, Reflective Light Auxiliary44 Micro2 fuse Electronic brake control module electric brake booster, Run/Crank 45 — Not Used 46 — Not Used 47 — Not Used 48 Micro2 fuse Rear wiper 2 49 Micro2 fuse 2020: Interior rearview mirror2021-2025: Interior Rearview Mirror, Trailer, Rear Heated Seats, Run/Crank50 Micro2 fuse Fuel system control module, Run/Crank 51 Micro2 fuse Heated steering wheel 52 Micro2 fuse Folding seats switch 53 Micro2 fuse 2021-2025: Engine Coolant Pump54 Micro2 fuse 2020: Coolant pump55 Micro2 fuse Air conditioning clutch 56 Micro2 fuse Not Used 57 Micro2 fuse Engine control module, Ignition 58 Micro2 fuse Transmission control module, Ignition 59 Micro2 fuse Engine control module battery 60 — Not Used 61 Micro2 fuse O2 sensor 1, Aeroshutter, Mass air flow sensor 62 Micro2 fuse Engine control module – odd 63 Micro2 fuse 2020-2023: O2 sensor 22024-2025: O2 Sensor 2, Miscellaneous Powertrain64 Micro2 fuse Engine control module – even 65 Micro2 fuse Engine control module powertrain 1 66 Micro2 fuse Engine control module powertrain 2 67 Micro2 fuse Engine control module powertrain 3 68 — Not Used 69 — Not Used 70 — Not Used 71 — Not Used 72 — Not Used 73 — Not Used 74 — Not Used 75 — Not Used 76 — Not Used 77 — Not Used
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Assignment of the relays in the engine compartment
Fuse Data
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No. Description 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
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It is located in the center console beneath the glove box. To reach it, open the fuse panel lid.
Assignment of the fuses in the passenger compartment
Fuse Data
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No. Type Description 1 Mini fuse Body control module 6 2 Mini fuse Diagnostic link / Central gateway module 3 Mini fuse Electric steering column lock 4 — Not Used 5 Mini fuse Logistics 6 Mini fuse Heating, ventilation, and air conditioning 7 Mini fuse Body control module 3 8 — Not Used 9 Mini fuse Right front heated seat 10 Mini fuse Airbag/Seat belt 11 Mini fuse 2022-2025: Driver Monitoring System Module12 Mini fuse Amplifier 2 13 Mini fuse Body control module 7 14 Mini fuse 2020-2021: Left front heated seat15 Mini fuse Instrument panel switch bank 16 Mini fuse Sunroof 17 Mini fuse Body control module 1 18 Mini fuse Instrument cluster / Head-up display 19 — Not Used 20 Mini fuse Rear seat entertainment 21 Mini fuse Body control module 4 22 Mini fuse Infotainment / USB data / Aux jack 23 Mini fuse Body control module 2 24 Mini fuse USB charger / Wireless charging 25 Mini fuse Park assist / Electronic shift select 26 Mini fuse Communications Integration Module (CIM) 27 Mini fuse Video / Night vision module 28 Mini fuse Heating, ventilation, and air conditioning display / Radio Display 29 Mini fuse Radio 30 FMM/MCase fuse 2020-2021: Steering wheel adjustment controls31 FMX/JCase fuse Electric brake boost 32 FMM/MCase fuse Spare / DC AC inverter 33 FMM/MCase fuse Driver power seat 34 FMM/MCase fuse Passenger power seat 35 Mini fuse Battery IEC 1 feed 36 FMM/MCase fuse Electric power steering 37 FMM/MCase fuse Rear seat entertainment / USB charge / Wireless charging module / Auxiliary power outlet / Lighter 38 FMM/MCase fuse Body control module 8 39 Mini fuse 2022-2025: Steering Wheel Adjustment Controls / Lightbar
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Assignment of the circuit breakers in the passenger compartment
Fuse Data
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No. Type Description 40 Circuit breaker Not Used 41 Circuit breaker Not Used 42 Circuit breaker Auxiliary Power Outlet / Lighter
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It is positioned on the left side of the trunk, behind the lower trim panel. To reach it, remove the center cargo bin, then the small side bin.
Assignment of the fuses in the rear compartment
Fuse Data
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No. Type Description 1 — Not Used 2 FMX/JCase fuse Trailer battery 1 3 FMM/MCase fuse Driver seat belt motor 4 FMM/MCase fuse Rear blower 5 FMM/MCase fuse Rear drive control 6 FMM/MCase fuse Passenger seat belt motor 7 FMM/MCase fuse Right window 8 FMM/MCase fuse Rear defogger 9 FMM/MCase fuse Left window 10 Micro2 fuse Folding seats 1 11 Micro2 fuse Trailer reverse 12 — Not Used 13 — Not Used 14 — Not Used 15 — Not Used 16 — Not Used 17 — Not Used 18 Micro2 fuse 2020-2021: Trailer module2022-2025: Trailer Module / External Object Calculation Module 2 Ignition19 Micro2 fuse 2020: Ventilated seats2021-2025: Ventilated seats / Left front heated seats / Run/Crank20 — Not Used 21 Micro2 fuse Trailer connector 22 — Not Used 23 Micro2 fuse Not Used / Spare 24 Micro2 fuse Passenger window switch 25 Micro2 fuse Not Used / Spare 26 Micro2 fuse Trailer brake 27 — Not Used 28 Micro2 fuse Passive entry / Passive start 29 Micro2 fuse 2022-2025: Advanced Driving Integration Module (ADIM) / Advanced Driver Assist Map Module30 Micro2 fuse Canister vent 31 — Not Used 32 Micro2 fuse Heated mirror 33 — Not Used 34 Micro2 fuse Liftgate module 35 Micro2 fuse 2020-2022: Fuel system control module2023-2025: Fuel System Control Module / Fuel Tank Zone Module36 — Not Used 37 — Not Used 38 Micro2 fuse Window module 39 — Not Used 40 Micro2 fuse Memory seat module 41 Micro2 fuse Automatic occupancy sensor 42 Micro2 fuse Trailer battery 2 43 — Not Used 44 Micro2 fuse Third row seats 45 Micro2 fuse Liftgate motor 46 Micro2 fuse Rear heated seats 47 — Not Used 48 Micro2 fuse Glass break sensor 49 — Not Used 50 — Not Used 51 — Not Used 52 Micro2 fuse Active dampening system module 53 Micro2 fuse 2022-2025: External Object Calculating Module 2B / Camera Image Processing Module54 Micro2 fuse 2020-2021: External object calculating / Side blind zone alert2022-2025: External Object Calculating Module 2A / Side Blind Zone Alert55 Micro2 fuse Theft deterrent 56 Micro2 fuse Universal garage door opener / Rain sensor 57 Micro2 fuse Folding seats 2
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Assignment of the circuit breakers in the rear compartment
Fuse Data
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No. Description CB1 Not Used CB2 Not Used CB3 Rear auxiliary power outlet
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Assignment of the relays in the rear compartment
Fuse Data
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No. Description K1 Folding seats 1 K2 Not Used
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