CAR SPEC SHEET

Cadillac LYRIQ Fuse Box: What Each Fuse Does

From the 2026 Cadillac LYRIQ owner's manual. 2 fuse boxes listed.

FuseCircuit
F9Motor: PECP & Motor: ESSCP – Power Electronics Coolant Pump and Energy Storage System Coolant Pump
F10–
F11–
F12ECP_S & OBCM 2 – Electrification Control Processor (Traction Power Inverter Module 2) & On Board Charging Module 2
F13–
F14–
F15TRLR PRK LAMPS – Trailer Park Lamps
F16TRLR REV LAMP – Trailer Reverse Lamp
F17–
F18GLBX DR RELSE – Glove Box Door Release
F19–
F20–
F21CHARGE PORT DR MTR – Charge Port Door Motor
F22ACDC INV MDL – Direct Current to Alternating Current Inverter Module
F23–
F24–
F25–
F26Spare
F27–
F28ETC MDL – Electronic Toll Control Module
F29–
F30Rear Cargo APO – Rear Cargo Auxiliary Power Outlet
F31TRLR INTERFACE MDL BATT SOURCE 1 – Trailer Interface Module Battery Source 1
F32Spare
F33Spare
F34ELM 5 – Exterior Lighting Module 5
F35ELM 4 – Exterior Lighting Module 4
F36–
F37–
F38ELM 7 – Exterior Lighting Module 7
F39ELM 3 – Exterior Lighting Module 3
F40ECP_E_Batt SOURCE 1 & ECP_E_Batt SOURCE 3 – Electrification Control Processor (Traction Power Inverter Module) Source 1 and 3
F41DSP & AIR SPRINGS 2 – Door Switch Panel and Suspension Control Leveling 2
F42SEAT POS SW & VKM SNSR/RLH SNSR – Seat Position Switch and Virtual Key Module Sensor/Rain Light Humidity Sensor
F43SCL & CHIM MDL – Steering Column Lock and Charge Interface Module
F44PSM & AERO SH – Power Sounder Module and Aero Shutter
F45RFA MDL & HFC MDL – Remote Function Actuator Module and Handsfree Closure Module
F46AFL/AHL & PFA Module – Adaptive Forward Lighting/ Automatic Headlamp Leveling and Pedestrian Friendly Alert Module
F47LIT GRILLE/FR PRK EMBLEM & SADS – Lit Grille/Front Park Emblem and Semi Active Damping System
F48PWR T/GATE – Power Tailgate
F49–
F50MTR WDW LIFTER LT – Motor Window Lifter Left
F51AIR SPRINGS 1 – Suspension Control Leveling 1
F52MTR WDW LIFTER RT – Motor Window Lifter Right
F53FRT WPR – Front Wiper Control
F54TRLR HEAVYDUTY/TRLR EUROPE – Trailer Battery
F55–
F56FOLD SEAT RT MTR – Fold Seat Right Motor
F57EBCM– Electronic Brake Control Module
F58FRT BLWR MTR – Front Blower Motor
F59–
F60Horn
F61Rear Defog
F62REAR BLWR MTR – Rear Blower Motor
F63MTR S/ROOF & SUNSHD – Motor Sunroof and Motor Sunshade
F64PWR SEAT DRVR – Power Seat Driver
F65PWR SEAT PASS – Power Seat Passenger
F66CRFM – Condenser Radiator Fan Module
F67Heated Wiper
F68Spare
F69Spare
F70RELAY COIL
F71REAR HTD/SEAT 2 – Rear Heated Seat 2
F72FRT HTD/SEAT 1 – Front Heated Seat 1
F73FOLD SEAT LT MTR – Fold Seat Left Motor
F74TRLR INTERFACE MDL BATT SOURCE 2 – Trailer Interface Module Battery Source 2
F75Spare
F76Spare
F77Spare
F78TRLR ST/TRN LT & TRLR ST/TRN RT – Trailer Stop Turn Left and Trailer Stop Turn Right
F79REAR HTD/SEAT 1 – Rear Heated Seat 1
F80FRT HTD/SEAT 2 – Front Heated Seat 2
F81OUT OF PRK DSBL – Out of Park Disable
F82Wash Pump
F83Camera Wash

Source: owner's manual, PDF pages 301, 302, 303.

Instrument Panel Fuse Block

Location: To the right of the glove box

FuseCircuit
F1–
F2APO/CIGAR LTR – Auxiliary Power Outlet Instrument Panel/Cigar Lighter
F3–
F4USB PORT/APO AC 150W – Universal Serial Bus Charge Port/Auxiliary Power Outlet Alternating Current 150W
F5STRG COL LOCK – RUN/ CRANK Steering Column Lock
F6ELM 1– Exterior Lighting Module 1
F7AMP-BASE – Amplifier-Base
F8RT DR LATCH – Right Door Latch
F9LT DR LATCH – Left Door Latch
F10STRG COL POS MDL – Steering Column Position Module
F11ACP 4 –ADAS Compute Platform 4
F12–
F13EUROPE-TRLR CON & ECP_E/ ECP_S/VICM – RUN/CRANK Europe – Trailer Control and Electrification Control Processor (Traction Power Inverter 1 and 2)/Vehicle Integration Control Module
F14HEADLAMPS – RUN/ CRANK Headlamps
F15HDLP RT –Headlamp Right
F16STRG COL/CLOCK SPRING – Steering Column Lock/ Clock Spring
F17SEAT FAN PASS & SEAT FAN DRVR – RUN/CRANK Seat Fan Passenger and Seat Fan Driver
F18VCD & SRR – Virtual Cockpit Display and Short Range Radar
F19MISC 2 & MISC 1 – RUN/CRANK Miscellaneous 2 Switch Bank/Electronic Toll Collection/Interior Particulate Matter Sensor/ Reflective Light Auxiliary Display and Miscellaneous 1 Electronic Brake Control Module/Exterior Lighting Module/Sensing and Diagnostic Module/Inside Rear View Mirror
F20BCM 1 & VICM – Body Control Module 1 and Vehicle Integration Control Module
F21LRR-RR & EPBS/ESM – Long Range Radar – Rear and Electric Park Brake Switch/ Electronic Transmission Range Select Shifter Module
F22VKM/VKMB/AUX JACK & ACP3 – Virtual Key Module/ Virtual Key Backup Module/ Auxiliary Jack and ADAS Compute Platform 3
F23T/LAMP RT & T/LAMP LT – Tail Lamp Right and Tail Lamp Left
F24UPA/APA/SBZA & SDM/AOS – Universal Park Assist/ Automatic Park Assist/Side Blind Zone Alert and Sensing Diagnostic Module/ Automatic Occupant Sensing Module
F25ACP 2/EOCM_LC/FCM/MFC & DMS/CGM/DLC/VDM – ADAS Compute 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
F26ECP_E_BATT 2/ACEC & HUD/HVAC DISPLAY – Electrification Control Processor (Traction Power Inverter Module) Battery 2/Air Condition Electric Compressor and Head- Up Display/Heating, Ventilation and Air Conditioning Display
F27BCM 3 – Body Control Module 3
F28BCM 2 – Body Control Module 2
F29AMP-UPLEVEL – Amplifier- Uplevel
F30BCM 4 – Body Control Module 4
F31VPM/SD CARD/ILSS/OHC – Video Processing Module/Secure Digital Card/ Indicator Light and Solar Sensor/Over Head Console
F32HSWM – Heated Steering Wheel Module
F33LRR FR/LIDAR – Long Range Radar Front/Light Detection and Ranging
F34ELM 2 – Exterior Lighting Module 2
F35HDLP LT – Headlamp Left

Source: owner's manual, PDF pages 305, 306.

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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