Cadillac XTS | 2018-2019

2018–2019 Cadillac XTS sedan

Find Cadillac XTS fuse box diagrams for 2018–2019 models with relay locations, fuse assignments, panel layouts, and electrical system information. This article covers the facelifted Cadillac XTS, available from 2018, and includes fuse box diagrams for Cadillac XTS 2018 and 2019, 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).

Engine Compartment

Fuse Box Location

To remove the cover, pinch the three retaining clips on the cover and lift it straight up.

Cadillac XTS 2018-2019 Engine Compartment Fuse Box Location

Fuse Box Diagram

Fuses

Assignment of the fuses in the engine compartment

Fuse Data
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No.TypeDescription
1Mini fuseTransmission control module
2Mini fuseEngine control module
3Mini fuseA/C clutch
5Mini fuseEngine control module / Ignition
6FMX/JCase fuseFront wiper
8Mini fuseIgnition coils – even
9Mini fuseIgnition coils – odd
10Mini fuseEngine control module
11Mini fuseMass air flow sensor / Post catalytic converter O2 sensors
12FMX/JCase fuseStarter
13Mini fuseTransmission control module / Chassis control module ignition
14Mini fuseRear heated seat – passenger side
15Mini fuseRear heated seat – driver side
17Mini fuseSunshade / Ventilated seats
18Mini fuseAutonet
21FMX/JCase fuseRear power windows
22FMX/JCase fuseSunroof
23Mini fuseVariable effort steering module
24FMX/JCase fuseFront power windows
25FMX/JCase fuseRetained accessory power
26FMX/JCase fuseABS pump
27FMX/JCase fuseElectric parking brake
28FMX/JCase fuseRear window defogger
29Mini fusePassive entry / Passive start
30Mini fuseN/A
31Mini fuseHeated driver seat
32Mini fuseStop lamps – center high mounted stop lamp / Backup-reverse lamps / Interior
33Mini fuseHeated passenger seat
34Mini fuseABS valves
35Mini fuseAmplifier
36Mini fuseTail park lamp – driver side
37Mini fuseRight high-beam headlamp
38Mini fuseLeft high-beam headlamp
39Mini fuseTail park lamp – passenger side
40Mini fuseLong range radar
41FMX/JCase fuseBrake vacuum assist pump
42FMX/JCase fuseCooling fan high speed
45FMX/JCase fuseCooling fan low speed
46Mini fuseCooling fan control
47Mini fusePre-catalytic converter O2 sensor heater / Canister purge solenoid
48Mini fuseLow temperature radiator coolant pump
49Mini fuse(LED) Right headlamp
50Mini fuseLeft headlamp LED
51Mini fuseHorn
52Mini fuseDisplay / Ignition
53Mini fuseAir quality sensor / Inside rearview mirror / Rear vision camera
54Mini fuseHVAC / Reflective LED alert display
55Mini fuseDriver and passenger door switches / Outside rearview mirror switch / Mirror memory module
56Mini fuseWindshield washer
60Mini fuseHeated outside rearview mirror
61Mini fuseN/A
62Mini fuseFront seats massage module
64Mini fuseN/A
65Mini fuseN/A
66Mini fuseTrunk release
67Mini fuseChassis control module
69Mini fuseBattery voltage sensor
70Mini fuseCanister vent solenoid
71Mini fuseMemory seat module
72Mini fuseElectric power steering

Relays

Assignment of the relays in the engine compartment

Fuse Data
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No.Description
R1A/C clutch
R2Starter
R4Wiper speed
R5Wiper control
R7Powertrain
R9Cooling fan – high speed
R10Cooling fan – low speed
R11Taillamps/Parking lamps
R13Cooling fan control
R14Low beam LED headlamps
R15Run/Crank
R17Rear window and mirror defogger

Passenger Compartment

Fuse Box Location

The fuse box is located in the instrument panel, behind the fuse panel door (to open the fuse panel door, pull down at the top, then press in on the sides of the door to release it from the instrument panel).

Fuse Box Diagram

Fuses

Assignment of the fuses in the passenger compartment

Fuse Data
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No.TypeDescription
1Mini fuseWireless charger module / USB charge
2Mini fuseBody control module 7
3Mini fuseBody control module 5
4Mini fuseRadio
5Mini fuseInfotainment display / Head-up display / Instrument cluster
6Mini fusePower outlet 1
7Mini fusePower outlet 2
8Mini fuseBody control module 1
9Mini fuseBody control module 4
10FMX/JCase fuseBody control module 8
11FMX/JCase fuseFront HVAC blower
12Mini circuit breakerPassenger seat
13Mini circuit breakerDriver seat
14Mini fuseDiagnostic link connector
15Mini fuseAirbag AOS
16Mini fuseGlove box
17Mini fuseHVAC controller
18Mini fuseLogistics
19Mini fuseFront camera
20Mini fuseTelematics (OnStar)
21Mini fuseCGM
22Mini fuseSteering wheel controls/Backlight
23Mini fuseBody control module 3
24Mini fuseBody control module 2
25Mini fusePower steering column
26Mini fuseAC DC inverter

Relays

Assignment of the fuses in the passenger compartment

Fuse Data
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No.Description
R1Glove box
R2Logistics
R3Retained accessory power

Luggage Compartment

Fuse Box Location

The fuse block is located on the left side of the trunk, behind the cover. Remove the cover to access the fuses and related electrical components.

Fuse Box Diagram

Fuses

Assignment of the fuses in the luggage compartment

Fuse Data
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No.TypeDescription
1—N/A
2—N/A
3—N/A
4FMX/JCase fuseSuspension leveling compressor
5—N/A
6—N/A
7—N/A
8Mini fuseFront courtesy lamps, Footwell, puddle lamps
9—N/A
10—N/A
11—N/A
12—N/A
13FMX/JCase fuseMID Power Window
14—N/A
15Mini fuseN/A
16Mini fuseVideo processing module
17—N/A
18Mini fuseSemi-active damping system
19Mini fuseUniversal remote system, Rain, light, and humidity sensor
20Mini fuseShunt
21Mini fuseSide blind zone alert
22—N/A
23Mini fuseAll wheel drive
24—N/A
25—N/A
26—N/A
27—N/A
28—N/A
29—N/A
30Mini fuseExternal object calculation module
31Mini fusePark assist, Lane departure warning, Lane keep assist
32—N/A
33—N/A
34—N/A
35—N/A
36—N/A
37—N/A

Relays

Assignment of the relays in the luggage compartment

Fuse Data
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No.Description
K1Not used
K2Front courtesy lamps/ Footwell, puddle lamps
K3Suspension leveling compressor
K4Not used

FAQ

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