CAR SPEC SHEET

Cadillac XT5 Fuse Box: What Each Fuse Does

From the 2026 Cadillac XT5 owner's manual. 3 fuse boxes listed.

Engine Compartment Fuse Block

FuseCircuit
F1Antilock Brake System
F2Starter 1
F3DC DC Transformer 1
F4–
F5DC DC Transformer 2
F6Amplifier 1
F7Front Blower
F8Starter 3
F9–
F10–
F11–
F12Front Wiper
F13Starter 2
F14LED/Automatic Headlamp Leveling
F15Rear Wiper 1
F16–
F17–
F18Automatic Headlamp Leveling Module
F19–
F20–
F21–
F22Electronic Brake Control Module
F23Parking/Trailer Lamps
F24Right Trailer Stoplamp/Turnlamp
F25Steering Column Lock
F26–
F27Left Trailer Stoplamp/Turnlamp
F28–
F29–
F30Washer Pump
F31–
F32–
F33Fog Lamps
F34Horn
F35–
F36Headlamp High-beam – Left
F37Headlamp High-beam – Right
F38Spare
F39Transmission Control Module/Battery 1
F40Left Rear Bus Electrical Center/DC DC Ignition
F41Instrument Cluster
F42Heating, Ventilation, and Air Conditioning/ Central Gateway Module Run Crank
F43Head-Up Display/ Reflective Light Auxiliary
F44Electronic Brake Control Module Electric Brake Booster/Run/Crank
F45–
F46–
F47–
F48Rear Wiper 2
F49Interior Rearview Mirror/ Trailer/Rear Heated Seat Run Crank
F50Fuel Tank Zone Module Run Crank
F51Heated Steering Wheel
F52Air Conditioning Clutch
F53Coolant Pump
F54–
F55–
F56Spare
F57Engine Control Module/Ignition
F58Transmission Control Module/Ignition
F59Engine Control Module Battery
F60–
F61O2 Sensor 1/Aeroshutter/ Mass Air Flow Sensor
F62Engine Control Module – Coil Odd
F63O2 Sensor 2/ Miscellaneous Powertrain
F64Engine Control Module – Coil Even
F65Engine Control Module Powertrain 1
F66Engine Control Module Powertrain 2
F67Engine Control Module Powertrain 3
F68–
F69–
F70–
F71–
F72–
F73–
F74–
F75–
F76–
F77–
K1Starter 1
K2Run/Crank
K3Starter 3
K4LED/ Automatic Headlamps
K5–
K6–
K7Engine Control Module
K8Air Conditioning
K9–
K10Starter 2

Source: owner's manual, PDF pages 283, 284, 285.

Instrument Panel Fuse Block

FuseCircuit
F1Body Control Module 6
F2Diagnostic Link/Central Gateway Module
F3Electric Steering Column Lock
F4–
F5Logistics
F6Heating, Ventilation, and Air Conditioning/ Humidity Sensor
F7Body Control Module 3
F8Park Aid/Electronic Transmission Range System Hybrid
F9Right Front Heated Seat
F10Airbag
F11–
F12Amplifier 2
F13Body Control Module 7
F14Spare/Left Front Heated Seat
F15Instrument Panel Switch Bank
F16Sunroof
F17Body Control Module 1
F18Instrument Cluster/ Head-up Display
F19–
F20Rear Seat Entertainment
F21Body Control Module 4
F22Infotainment/USB Data/Aux Jack
F23Body Control Module 2
F24USB Charger/ Wireless Charging
F25Park Aid/Electronic Transmission Range System
F26Communications Integration Module
F27Video/Night Vision Module
F28Heating, Ventilation, and Air Conditioning Display
F29Radio
F30Steering Wheel Adjustment Controls
F31Electronic Brake Control Module Electric Brake Booster
F32DC AC Inverter
F33Driver Power Seat
F34Passenger Power Seat
F35Battery IEC 1 Feed
F36Electric Power Steering
F37Rear Seat entertainment/USB Charge/Wireless Charging Module/ Auxiliary Power Outlet/Lighter
F38Body Control Module 8
F39–
F40–
F41–
F42Auxiliary Power Outlet (CB)/Lighter (mini-fuse)

Source: owner's manual, PDF pages 287, 288.

Rear Compartment Fuse Block

Location: In the cargo area, on the driver side of the vehicle behind the lower trim panel

FuseCircuit
F1–
F2Trailer Battery 1
F3Driver Seat Belt Motor
F4Rear Blower
F5Rear Drive Control
F6Passenger Seat Belt Motor
F7Right Window
F8Rear Window Defogger
F9Left Window
F10–
F11Trailer Reverse
F12–
F13–
F14–
F15–
F16–
F17–
F18Trailer Module/ Accessory Power Module/ Rechargeable Energy Storage System Ignition
F19Ventilated Seats/Left Front Heated Seats Run Crank
F20–
F21Trailer Connector
F22–
F23–
F24Passenger Window Switch
F25–
F26Trailer Brake
F27Driver Ventilated Seat/Lumbar
F28Passive Entry/Passive Start
F29–
F30Canister Vent
F31Rechargeable Energy Storage System
F32Heated Mirror
F33–
F34Liftgate Module
F35Fuel System Control Module/Fuel Tank Zone Module
F36Passenger Ventilated Seat/Lumbar
F37External Amplifier Hybrid
F38Window Module
F39Rear Closure
F40Memory Seat Module
F41Automatic Occupancy Sensor
F42Trailer Battery 2
F43Blower Console
F44–
F45Liftgate Motor
F46Rear Heated Seats
F47–
F48Glass Break Sensor
F49–
F50–
F51–
F52Active Dampening System Module
F53–
F54External Object Calculating/Side Blind Zone Alert
F55–
F56Universal Garage Door Opener/Rain Sensor
F57Theft Deterrent/ Overhead Console
CB1–
CB2–
CB3Rear Auxiliary Power Outlet
K1–
K2–

Source: owner's manual, PDF pages 288, 289, 290.

Listings are copied as text from the manual's fuse tables (AI-assisted; every circuit name was matched against the cited pages 2026-10-18). Fuse layouts can differ by trim and year; check the label on the fuse box cover before replacing a fuse, and always use the same amp rating.

Confirm with your own manual, dipstick or door-jamb label.
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