Cadillac Lyriq | 2023-2026

Access Cadillac Lyriq fuse box diagrams for 2023–2026 models with fuse locations, panel layouts, electrical system information, and detailed circuit assignments. This article covers the battery electric mid-size luxury crossover Cadillac Lyriq (also Cadillac Lyriq V), available from 2023, and includes fuse box diagrams for Cadillac Lyriq 2023, 2024, 2025 and 2026, along with details about the location of the fuse panels inside the vehicle and a clear explanation of the assignment of each fuse (fuse layout).

Engine Compartment

Fuse Box Location

The Underhood Compartment Fuse Block is located beneath a cover and side extension/shield in the underhood compartment.

How to access:

  1. To access the fuse block, first unclip and remove the right-side access panel. Next, remove the M6 retaining bolt securing the fuse block assembly.
  2. Once the bolt has been removed, release the clips on the side and rear of the fuse block cover, then lift the cover upward to expose the fuses.

Fuse Box Diagram

Fuses

Assignment of the fuses in the engine compartment

Fuse Data
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No.TypeDescription
1Micro3Spare
2—–
3Micro3Spare
4Micro2Spare
5Micro2Spare
6Micro3Memory Seat Module / Memory Bolster Module
7Micro3Primary Evaporator Expansion Valve / Secondary Evaporator Expansion Valve and External Condenser Flow Valve / Condensing Heater Flow Valve
8Micro3Motor Main Coolant Valve and Air Condition Electric Compressor
9Micro3Power Electronics Coolant Pump and Energy Storage System Coolant Pump
10—–
11—–
12Micro3Electrification Control Processor (Traction Power Inverter Module 2) & On Board Charging Module 2
13—–
14—–
15Micro3Trailer Park Lamps
16Micro3Trailer Reverse Lamp
17—–
18Micro2Glove Box Release
19—–
20—–
21Micro2Charge Port Door Motor
22FMM/MCaseAlternate Current / Direct Current Inverter Module
23—–
24—–
25—–
26Micro3Spare
27—–
28Micro2Electronic Toll Control Module
29—–
30FMM/MCaseRear Cargo Auxiliary Power Outlet
31FMM/MCaseTrailer Interface Module Battery Source 1
32Micro2Spare
33FMM/MCaseSpare
34Micro2Exterior Lighting Module 5
35Micro2Exterior Lighting Module 4
36—–
37—–
38Micro2Exterior Lighting Module 7
39Micro2Exterior Lighting Module 3
40Micro3Electrification Control Processor (Traction Power Inverter Module 1) Source 3 and 1
41Micro3Door Switch Panel and Suspension Control Leveling 2
42Micro3Seat Position Switch and Virtual Key Module Sensor / Rain Light Humidity Sensor
43Micro3Steering Column Lock and Charge Interface Module
44Micro3Power Sounder Module and Aero Shutter
45Micro3Remote Function Actuator Module and Handsfree Closure Module
46Micro3Adaptive Forward Lighting / Automatic Headlamp Leveling and Pedestrian Friendly Alert Module
47Micro3Lit Grille / Front Park Emblem and Semi Active Damping System
48FMM/MCasePower Tailgate
49—–
50FMM/MCaseMotor Window Lifter Left
51FMM/MCaseSuspension Control Leveling 1
52FMM/MCaseMotor Window Lifter Right
53FMM/MCaseFront Wiper
54FMM/MCaseTrailer Battery
55—–
56Micro2Fold Seat Right Motor
57FMM/MCaseElectronic Brake Control Module
58FMM/MCaseFront Blower Motor
59—–
60Micro2Horn
61FMM/MCaseRear Defog
62FMM/MCaseRear Blower Motor
63FMM/MCaseMotor Sunroof and Motor Sunshade
64FMM/MCasePower Seat Driver
65FMM/MCasePower Seat Passenger
66FMM/MCaseCondenser Radiator Fan Module
67FMM/MCaseHeated Wiper
68Micro2Spare
69Micro3Spare
70Micro2RELAY’S COIL
71Micro2Rear Heated Seat 2
72Micro2Front Heated Seat 1
73Micro2Fold Seat Left Motor
74FMM/MCaseTrailer Interface Module Battery Source 2
75Micro2Spare
76Micro2Spare
77Micro2Spare
78Micro3Trailer Stop Turn Left and Trailer Stop Turn Right
79Micro2Rear Heated Seat 1
80Micro2Front Heated Seat 2
81Micro2Out of Park Disable
82Micro2Wash Pump (Front)
83Micro2Camera Wash

Passenger Compartment

Fuse Box Location

The instrument panel fuse block is located to the right of the glove box.

How to access the fuses:

  1. To access the fuse panel, remove the trim panel starting from the top. After the retaining clips release, lift the panel away, allowing the lower tabs to disengage from the instrument panel.
  2. To reinstall the panel, insert the lower tabs into their slots first, then rotate the panel back into position until the clips securely engage.

Fuse Box Diagram

Fuses

Assignment of the fuses in the passenger compartment

Fuse Data
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No.TypeDescription
F1Circuit breaker MiniAPO/CIGAR LTR – Auxiliary
F2FMM/MCaseAuxiliary Power Outlet Instrument Panel / Cigar Lighter
F3—–
F4Micro2Universal Serial Bus Port / Auxiliary Power Outlet Alternating Current 150W
F5Micro2Steering Column Lock
F6Micro2Exterior Lighting Module 1
F7FMM/MCaseAmplifier (Base)
F8FMM/MCaseRight Door Latch
F9FMM/MCaseLeft Door Latch
F10FMM/MCaseSteering Column Position Module
F11FMM/MCaseCompute Platform 4
F12—–
F13Micro3Trailer Control and Electrification Control Processor (Traction Power Inverter 1 and 2) / Vehicle Integration Control Module
F14Micro2Headlamps
F15Micro2Headlamp Right
F16MiniSteering Column Lock / Clock Spring
F17Micro3Seat Fan Passenger and Seat Fan Driver
F18Micro3Virtual Cockpit Display and Short Range Radar
F19Micro3Miscellaneous 2 Switch Bank / Electronic Toll Collection / lnterior Particulate Matter Sensor / Reflective Light Auxiliary Display and Miscellaneous 1 Electronic Brake Control Module / Exterior Lighting Module / Sensing and Diagnostic Module / lnside Rear View Mirror
F20Micro3Body Control Module 1 and Vehicle Integration Control Module
F21Micro3Long Range Radar – Rear and Electric Park Brake Switch / Electronic Transmission Range Select Shifter Module
F22Micro32023: Virtual Key Module / Virtual Key Backup Module / Auxiliary Jack
2024-2026: Virtual Key Module/ Virtual Key Backup Module/ Auxiliary Jack and ADAS Compute Platform 3
F23Micro3Tail Lamp Right and Tail Lamp Left
F24Micro3Universal Park Assist / Automatic Park Assist / Side Blind Zone Alert and Sensing Diagnostic Module / Automatic Occupant Sensing Module
F25Micro3Compute Platform 2 / External Object Calculating Module / Front Camera Module / Multi Function Control and Driver Monitoring System / Central Gateway Module / Diagnostic Link Connector / Vehicle Data Monitor
F26Micro3Electrification Control Processor Battery 2 / Air Condition Electric Compressor and Heads-Up Display / Heating, Ventilation and Air Conditioning Display
F27Micro2Body Control Module 3
F28Micro2Body Control Module 2
F29FMM/MCaseAmplifier (Uplevel)
F30FMM/MCaseBody Control Module 4
F31Micro2Video Processing Module / SD Card / lndicator Light and Solar Sensor / Over Head Console
F32Micro2Heated Steering Wheel Module
F33Micro2Long Range Radar Front / Light Detection and Ranging
F34Micro2Exterior Lighting Module 2
F35Micro2Headlamp Left
F36Micro2Virtual Cockpit Unit Battery 1
F37Micro2Telematics Communication Platform (OnStar)
F38Micro2Wireless Charger Module
F39Micro2High Voltage System Lockout
F40Micro2Virtual Cockpit Unit Battery 2
F41Micro2Exterior Lighting Module 6
F42—–

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