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Cadillac XT4 2023 Fuse Box

Cadillac XT4 2023 Fuse Box Info

 

Passenger compartment fuse box location:

The instrument panel fuse box is on the driver side of the instrument panel, between the steering wheel and the door.

 

Engine compartment fuse box location:

 

 

Fuse Box Diagram | Layout

 

Passenger compartment fuse box:

Fuse/Relay N° Functions
1 WNDW LT – Left Power Window
2 WNDW RT – Right Power Window
3 -
4 DC-DC BAT 2/1 – Direct Current to Direct Current Converter 2
5 APO CARGO – Auxiliary Power Outlet – Cargo
6

HTD SEAT BATT 1 – Heated Seat Battery 1

7

HTD SEAT BATT 2 – Not used

8 BCM 3 – Body Control Module 3 – LED Headlamp Low Beam Right Control Signal, Right Front Turn Lamp Control Signal, Left Front Side Marker and Auxiliary Park, Left Rear Tail/Side Marker Control Signal, Left Daytime Running Lamps Control Signal
9 ELEC PRK/BRK – Electric Park Brake
10 BCM 2 SS – Body Control Module 2 (Stop/Start) – Interior Lamps Control Signal, Door Handle Puddle Lamp (LED), Left Cornering Lamp, Right Cornering Lamp, Interior Lamps Control Signal, Backup Lamp Supply Voltage, License Plate Lamp Control Signal, Rear Closure Cargo Lamp Control Signal, Center High Mounted Stop Lamp LED Lamp Control Signal
11 -
12 -
13 -
14 -
15 TCM SS – Transmission Control Module (Stop/ Start)
16 AMP – Amplifier
17 -
18

VPM – Video Processing Module

19

PWR STR COL – Power Steering Column

20 BCM 6 – Body Control Module 6 – LED Backlight Control, Interior Lighting Inadvertent Load Control Signal, Fuel Door Lock Control Signal, LED Backlight Control Signal
21 BCM 4 – Body Control Module 4 – LED Headlamp Low Beam Left Control Signal, Right Front Side Marker and Auxiliary Park, Right Rear Tail/ Side Marker Control Signal, Left Rear Stop Lamp Control Signal, Left Rear Stop/Turn Lamp Control Signal, Right DRL Control Signal
22 BCM 7 – Body Control Module 7 – Right Rear Stop Lamp Control Signal, Right Rear Stop/ Turn Lamp Control Signal, Left Front Turn Lamp Control Signal, Right Rear Turn Control Signal
23 -
24 Airbag
25 DLC – Data Link Connector
26 -
27 -
28 -
29 BCM 8 – Body Control Module 8 – Internal Driver/Fuel Door Unlock Relay Control Signal, Internal Non-Driver Door Lock Relay Control Signal, Internal All Door Unlock Relay Control Signal
30 OVERHD CNSL – Overhead Console
31 STR/WHL/CNTRL – Steering Wheel Controls
32 -
33 HVAC – Heating Ventilation and Air Conditioning Control Module
34 CGM – Central Gateway Module
35

HEATED SW – Heated Seat Switch/Hazard Switch

36 Wireless Charger Module/USB Charge Port
37 APO FRT – Not Used
38 OnStar
39 Displays – Shifter Interface Board/Center Stack/Head Up Display/ Instrument Panel Cluster/HVAC Display
40 OBS DET – Long Range Radar Sensor/ Ultrasonic Park Assist Module/Camera Module/External Object Calculating Module/ Side Blind Zone Alert Modules/Front Camera Module
41 BCM 1 SS – Body Control Module 1 (Stop/Start) – LED Indicator Lighting Control, Accessory LED Control, Run-Start LED Control, Ambient Lighting LED Control 2, Liftgate Latch Motor Control Signal, Rear Wiper Control Signal, High Beam Lamp Control (Direct Drive), Rear Fog LED Lamp Control Signal, Windshield Washer Pump Motor Control Signal, Run/Crank Relay Control Signal, ECM/TCM ACC Wakeup Control Signal, Left Rear Turn Control Signal, Rear Wiper Wash Pump Control Signal, Brake Pedal Apply Signal
42 RDO – Radio
43

APO CNSL – Console Auxiliary Power Outlet (Circuit Breaker)

44

Spare

K1 -
K2 RAP/ACCY – Retained Accessory Power
K3 Content Theft – Not Used
K4 -
K5 -

 

 

Engine compartment fuse box:

Fuse/Relay N° Functions
3 EBCM – Electronic Brake Control Module
4 -
5 -
6 -
7

TRLR ST/TRN LT – Left Trailer Stop/Turn Lamp

8 MSM – Memory Seat Module – Driver and Passenger
9 -
10

SADS – Semi-active Damping System/Spare

11 DC DC BAT 1/2 – Direct Current to Direct Current Converter 2
12 REAR DEFOG – Rear Window Defogger
13 OSRVM DEFOG – Outside Rear View Mirrors Defogger
14 -
15 PEPS – Passive Entry Passive Start Module
16 FRT WIPERS – Front Wiper
17

PASS/PWR/SEAT – Passenger Power Seat

18 L/GATE MTR/Spare – Liftgate Motor/Spare
19 DRVR/PWR/SEAT – Driver Power Seat/ Memory Seat Module/Driver
Seat Massage Control
20 REAR DEFOGGER – Rear Defogger/Outside Rear View Mirrors Defogger
21

Sunroof – Power Sunroof

22 -
23 -
25 Front Wiper Control
26 TCM IGN – Transmission Control Module/Ignition
27 Miscellaneous 1 – Inside Rear View Mirror – Shifter Interface Board
Module Run/Crank – Central Gateway Module Run/Crank – Heating
Ventilation and Air Conditioning Control Module Run/Crank ignition 3 – Forward Collision Alert Display
28 Rear Wipers – Rear Wiper
29 -
30 Miscellaneous 2 – Fuel Tank Zone Module Run/ Crank – Direct Current to Direct Current Transformer Run/Crank – Electronic Brake
Control Module Run/Crank – Instrument Panel Cluster Run/ Crank
31 Run/Crank
32 RDCM 2/Spare – Rear Drive Control Module 1/Spare
33 FRT 2/HTD ST/Spare – Front Heated Seat Power 2/Spare
34 HFCR MDL/LGM/WNDW SW – Handsfree Closure Release Module/Liftgate Module/Driver and Passenger Window Switches
35 -
36 FTZM – Fuel Tank Zone Module
37 Front Wiper Speed
39

FRT ST MASGE – Driver Seat Massage/ Passenger Seat Massage

-

40 -
41 -
42 -
43

HTD/STR/WHL – Heated Steering Wheel/Spare

44

FRT 1/HTD/VENT ST/RR HTD ST/Spare – Front Heated Seat Power Feed 1/Front Vented Seats/Rear Heated Seats/Spare

-

46 ECM IGN – Engine Control Module Ignition
48

RDCM 1/Spare –Rear Drive Control Module 1/Spare

49 HVAC BLOWR MTR – Heating Ventilation and Air Conditioning Control Blower Motor
50 Spare
51 Spare
54 Spare
55 Spare
56 STARTER MOTOR – Starter Motor
57 -
58 -
59 HDLP HI BEAM LT/RT – High Beam Headlamps
60 -
61 Spare
62 Spare
63 Spare
64 Starter Motor
65 A/C CONTROL – Air Conditioning Compressor Clutch
66 Powertrain
67 Spare
68 Spare
69 -
70

TRLR PRK LAMP– TRAILER PARK LAMPS

71

TRAILER PARK LAMPS – Trailer Park Lamps

-

72 STRTR PINION – Starter Pinion
73 A/C CONTROL – Air Conditioning Controls
74 -
75 ECM PWRTRN IGN 2 – Engine Control Module Power Train Ignition 2
76 ECM PWRTRN IGN 1 – Engine Control Module Power Train Ignition 1
78 Horn
79 WASH PUMPS – Front and Rear Washer Pumps
80 Starter Pinion
81 ECM – Engine Control Module Battery/Spare
82 -
83 IGNITION COILS – Ignition Coils
84 Miscellaneous 3 – Canister Purge Solenoid/Step Cam Exhaust Solenoid Cylinder 2 and 3/Step Cam Intake Cylinder Solenoids/Turbo Bypass Solenoid/Oxygen Sensor(Pre & Post))/
Step Cam Exhaust Solenoids/O2 Heater/Oxygen Heated Sensor/ Mass Airflow/Inlet Air Temperature/Throttle Inlet Absolute
Pressure/Humidity Sensor/Coolant Flow Control Valve
85 Shunt
86 -
87 -
88

AEROSHUTTER/Spare – Aeroshutter

89 -
90 -
92 TRLR ST/TRN RT/Spare – Trailer Stop/Turn Lamp Right/Spare
93 AHL/CVS – Canister Vent Solenoid
94 -
95 -
96 -
98 -
99 -

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