GMC Savana Fuse Box: What Each Fuse Does

From the 2026 GMC Savana owner's manual. 3 fuse boxes listed.

Engine Compartment Fuse Block

FuseCircuit
F01ABS MTR – Antilock Brake System Motor
F02ABS MDL – Antilock Brake System Module
F03RT STOP/TURN TRLR – Right Trailer Stop/Turn Signal Light
F04–
F05–
F06FSCM IGN – Fuel System Control Module Run/Crank
F07BCM 5 – Body Control Module 5
F08BCM 7 – Body Control Module 7
F09BCM 4 – Body Control Module 4
F10IPC – Instrument Panel Cluster
F11TRLR WRG – Trailer Wiring
F12–
F13DISPLY MIR – Display Mirror REAR B/U CAMERA – Rear Reverse Camera
F14WASH – Windshield Washer
F16HORN
F17TRANS – Transmission
F18A/C CMPRSR – Air Conditioning Compressor
F19ECM BATT – Engine Control Module Battery
F20CUTAWAY LH STP/TRN LAMP – Left Stop/Turn Light Cutaway
F21LT STOP/TRN TRLR – Left Stop/Turn Light Trailer
F22CUTAWAY RH STP/TRN LAMP – Right Stop/Turn Light Cutaway
F23–
F24FUEL PUMP
F25AUX PWR OUTLET – Auxiliary Power Outlet
F26BCM 3 – Body Control Module 3
F27SEO – Special Equipment Option
F28AIRBAG
F29STR/WHL/SNSR – Steering Wheel Sensor
F30ENGINE CONTROL MODULE – Engine Control Module Run/Crank
F31TCM IGN – Transmission Control Module Run/Crank
F32TCM BATTERY – Transmission Control Module 1 Battery (Auto 6 Speed)
F33OBSDET – Obstacle Detection/Rear Park Assist Module
F34–
F35–
F36FSCM BATT – Fuel System Control Module Battery
F41T87A TCM BATT – Transmission Control Module 2 Battery (Auto 8 Speed)
F42TRLR WRG – Trailer Wiring
F43–
F44STRTR SOL – Starter Solenoid
F45ECM – Engine Control Module PWR/TRN – Powertrain Signal 2
F46AC/DC INV – Direct Current/Alternating Current Inverter
F47–
F51LT HI BEAM – Left High-Beam Headlight
F52RT HI BEAM – Right High-Beam Headlight
F53LT LO BEAM – Left Low-Beam Headlight
F54RT LO BEAM – Right Low-Beam Headlight
F55WPR – Wipers
F56CNSTR VENT SOL – Canister Vent Solenoid
F58BCM 2 – Body Control Module 2
F59BCM 1 – Body Control Module 1
F61ENG OIL SOLENOID – Engine Oil Control Solenoid
F62O2 SNSR 2 – O2 Sensor 2
F63–
F64MASS AIRFLOW/ CANISTER VENT – Mass Airflow Sensor/Canister Purge Solenoid
F65ODD IGN/INJ – Ignition Coils/Injectors Odd
F66DRL 2 (LOLVL) – Daytime Running Lights 2
F67DRL 1 (UPLVL) – Daytime Running Lights 1
F68AUX STOP LAMP(S) – Auxiliary Stoplights
F69PWR EXT TRAILER – External Power Trailer
F70UPFTR STOP LAMP(S) – Upfitter Stoplights
F71FUEL HTR/FLEX FUEL SNSR – Fuel Heater/ FlexFuel Sensor
F72BCM 6 – Body Control Module 6
F73LTR/DLC – Lighter/Data Link Connector
F74FRT BLWR – Front Blower
F75ENGINE CONTROL MODULE
F76–
F77O2 SNSR 1 – O2 Sensor 1
F78ECM – Engine Control Module PWR/TRN – Powertrain Signal 1
F79EVEN IGN/INJ – Ignition Coils/Injectors Even
K15RUN/CRANK
K37–
K38FUEL PUMP
K39CRNK – Crank
K40A/C CMPRSR – A/C Compressor
K48–
K49PWR/TRN – Powertrain
K50–
K57–
K60–

Source: owner's manual, PDF pages 182, 183, 184, 185.

Auxiliary Fuse Block

Location: This component is near the fuse block in the engine compartment

FuseCircuit
MR-1Upfitter 1
MR-2Upfitter 2
MR-3Upfitter Power Control
MR Rel 1Upfitter 1
MR Rel 2Upfitter 2

Source: owner's manual, PDF page 185.

Mini-Fuses

FuseCircuit
F09OSRVMSW – Outside View Mirror DK_ULK_UPFTR FCM – Front Camera Module
F10AIRBAG AOS – Automatic Occupant Sensing
F11ONSTAR
F12–
F13HVAC 2 – Heating Ventilation Air Conditioning 2
F14HVAC 1 – Heating Ventilation Air Conditioning 1
F15REF LED DISPLAY – Reflected Light Auxiliary Display
F16UPFTR AUX 1 – Upfitter Auxiliary 1 GAS AMBULANCE
F17OSRVM HTR – Outside Rear View Mirrors Defogger
F18REAR DEFOG – Rear Window Defogger
F19CMPS – Compass
F20RDO/CHIME – Radio/Chime/SiriusXM Satellite Radio
F21RFA – Remoe Function Actuator TPM – Tire Pressure Monitor Sensors
F22IGN SW (DLIS) – Ignition Switch (Discrete Logic Ignition Sensor) PK 3 – Pass Key 3
F23I/P CLUSTER – Instrument Panel Cluster
F24–
F25HVAC CNTRL – Heating Ventilation Air Conditioning Controls
F26AUX/TRLR BCK/UP – Auxiliary/Trailer Reverse Lights
F27TAIL LAMP(S) BCK/UP – Reverse Tail Lights
F28UPFTR AUX 2/READING LAMP(S) – Upfitter Auxiliary 2 GAS AMBULANCE
F29REAR BLOWER
F31FRT DR LCK – Front Doors Lock
F32REAR DR LCK – Rear Doors Lock
F33CARGO DR UNLCK – Cargo Door Unlock
F34FRT PASS DR UNLCK – Front Passenger Door Unlock
F35REAR PASS DR UNLCK – Rear Passenger Door Unlock
F36DVR DR UNLCK – Driver Door Unlock
F37–
F38–
CB01PWR SEATS – Power Seats
CB02PWR WINDOW(S) – Power Windows
K01(HC MICRO) RUN – (High Current Micro) Run/Crank
K02–
K03(HC MICRO) PRK LAMPS – (High Current Micro) Parking Lights
K04(HC MINI) UPFTR AUX 2 – (High Current Mini) Upfitter Auxiliary 2
K05(HC MICRO) REAR DEFOG – (High Current Micro) Rear Window Defogger
K06(HC MICRO) RAP – (High Current Micro) Retained Accessory Power

Source: owner's manual, PDF pages 187, 188.

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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