Cadillac XTS 2018 Fuse Box Info
Passenger compartment fuse box location:
The instrument panel fuse box is in the instrument panel, on the driver side of the vehicle.
Engine compartment fuse box location:
Luggage compartment fuse box location:
The rear compartment fuse box is on the left side of the trunk behind a cover.
Fuse Box Diagram | Layout
Passenger compartment fuse box::
| Fuse/Relay N° | Functions |
| Fuses | |
| 1 | Wireless charger module/USB charge |
| 2 | Body Control Module 7 |
| 3 | Body Control Module 5 |
| 4 | Radio |
| 5 | Infotainment display/Head-up display/Instrument cluster |
| 6 | Power Outlet 1 |
| 7 | Power Outlet 2 |
| 8 | Body Control Module 1 |
| 9 | Body Control Module 4 |
| 10 | Body Control Module 8 |
| 11 | Front HVAC blower |
| 12 | Passenger Seat |
| 13 | Driver Seat |
| 14 | Diagnostic Link Connector |
| 15 | Airbag AOS |
| 16 | Glove Box |
| 17 | HVAC controller |
| 18 | Logistics |
| 19 | Front camera |
| 20 | Telematics (OnStar) |
| 21 | CGM |
| 22 | Steering Wheel Controls/Backlight |
| 23 | Body Control Module 3 |
| 24 | Body Control Module 2 |
| 25 | Power Steering Column |
| 26 | AC/DC Inverter |
| Relays | |
| 1 | Glove Box |
| 2 | Logistics |
| 3 | Retained Accessory Power |
Engine compartment fuse box:
| Fuse/Relay N° | Functions |
| Fuses | |
| 1 | Transmission control module |
| 2 | Engine control module |
| 3 | A/C clutch |
| 4 | - |
| 5 | Engine control module/Ignition |
| 6 | Front wiper |
| 7 | - |
| 8 | Ignition coils – even |
| 9 | Ignition coils – odd |
| 10 | Engine control module |
| 11 | Mass air flow sensor/Post catalytic converter O2 sensors |
| 12 | Starter |
| 13 | Transmission control module/Chassis control module ignition |
| 14 | Rear heated seat passenger side |
| 15 | Rear heated side driver side |
| 16 | - |
| 17 | Sunshade/Vented seats |
| 18 | Autonet |
| 19 | - |
| 20 | - |
| 21 | Rear Power Windows |
| 22 | Sunroof |
| 23 | Variable effort steering module |
| 24 | Front Power Windows |
| 25 | Retained Accessory Power |
| 26 | ABS Pump |
| 27 | Electric Parking Brake |
| 28 | Rear Window Defogger |
| 29 | Passive entry/Passive start |
| 30 | Spare |
| 31 | Heated driver seat |
| 32 | Stop lamps — center high mounted stop lamp/Backup-reverse lamps/Interior |
| 33 | Heated passenger seat |
| 34 | ABS valves |
| 35 | Amplifier |
| 36 | Tail park lamp — driver side |
| 37 | Right high-beam headlamp |
| 38 | Left high-beam headlamp |
| 39 | Tail park lamp — passenger side |
| 40 | Long range radar |
| 41 | Brake Vacuum Assist Pump |
| 42 | Cooling fan high speed |
| 43 | - |
| 44 | - |
| 45 | Cooling fan low speed |
| 46 | Cooling fan control |
| 47 | Pre-catalytic converter O2 sensor heater/Canister purge solenoid |
| 48 | Low temperature radiator coolant pump |
| 49 | Right headlamp LED |
| 50 | Left headlamp LED |
| 51 | Horn |
| 52 | Display/Ignition |
| 53 | Air quality sensor/Inside rearview mirror/Rear vision camera |
| 54 | HVAC/Reflective LED alert display |
| 55 | Driver and passenger door switches/Outside rearview mirror switch/Mirror memory module |
| 56 | Windshield washer |
| 57 | - |
| 58 | - |
| 59 | - |
| 60 | Heated outside rearview mirror |
| 61 | - |
| 62 | Front seats massage module |
| 63 | - |
| 64 | Spare |
| 65 | Spare |
| 66 | Trunk release |
| 67 | Chassis control module |
| 68 | - |
| 69 | Battery voltage sensor |
| 70 | Canister vent solenoid |
| 71 | Memory seat module |
| 72 | Electric power steering |
| Relays | |
| 1 | A/C clutch |
| 2 | Starter |
| 3 | - |
| 4 | Wiper speed |
| 5 | Wiper control |
| 6 | - |
| 7 | Powertrain |
| 8 | - |
| 9 | Cooling fan — high speed |
| 10 | Cooling fan — low speed |
| 11 | Tail/Park lamps |
| 12 | - |
| 13 | Cooling fan control |
| 14 | Low beam LED headlamps |
| 15 | Run/Crank |
| 16 | - |
| 17 | Rear window and mirror defogger |
Luggage compartment fuse box:
| Fuse/Relay N° | Functions |
| Fuses | |
| 01 | - |
| 02 | - |
| 03 | - |
| 04 | Suspension leveling compressor |
| 05 | - |
| 06 | - |
| 07 | - |
| 08 | –/Front courtesy lamps/Footwell, puddle lamps |
| 09 | - |
| 10 | - |
| 11 | - |
| 12 | - |
| 13 | Spare/MID Power Window |
| 14 | - |
| 15 | –/Spare |
| 16 | –/Video processing module |
| 17 | - |
| 18 | Semi-active damping system |
| 19 | Universal remote system/Rain, light, and humidity sensor |
| 20 | –/Shunt |
| 21 | Side blind zone alert |
| 22 | - |
| 23 | All wheel drive |
| 24 | - |
| 25 | - |
| 26 | - |
| 27 | - |
| 28 | - |
| 29 | - |
| 30 | External object calculation module |
| 31 | Park assist/Lane departure warning/Lane keep assist |
| 32 | - |
| 33 | - |
| 34 | - |
| 35 | - |
| 36 | - |
| 37 | - |
| Relays | |
| 1 | - |
| 2 | Front courtesy lamps/Footwell, puddle lamps |
| 3 | Suspension leveling compressor |
| 4 | - |
