GMC Sierra 2023 Fuse Box Info
Passenger compartment fuse box location:
The left instrument panel fuse box is located on the driver side edge of the instrument panel.
The right instrument panel fuse box is located on the passenger side edge of the instrument panel.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box (Left):
| Fuse/Relay N° | Functions |
| 1 | Rear heated seats left/right |
| 3 | - |
| 4 | - |
| 5 | Spare |
| 6 | Heated and ventilated seats left/right |
| 8 | - |
| 9 | EOCM – End Object Control Module/Park Assist |
| 10 | - |
| 11 | - |
| 12 | Passenger power seat |
| 13 | - |
| 14 | Data Link Connector |
| 15 | - |
| 16 | AMP |
| 17 | MFEG - Multifunction Endgate Control |
| 18 | - |
| 20 | Endgate |
| 22 | Rear sliding window |
| 23 | Driver and Passenger Memory Seat Module |
| 24 | - |
| 25 | - |
| 26 | - |
| 27 | - |
| CB1 | - |
| K1 | Rear sliding window open |
| K2 | Rear sliding window close |
| K3 | MFEG – Multifunction Endgate Control High |
| K4 | - |
| K5 | MFEG – Multifunction Endgate Control Minor |
| K6 | MFEG – Multifunction Endgate Control Low |
| K7 | - |
| K8 | - |
Passenger compartment fuse box (Right):
| Fuse/Relay N° | Functions |
| Fuses | |
| 1 | Right doors |
| 2 | Left doors |
| 3 | - |
| 4 | ELM – Exterior Lighting Module 2 |
| 5 | High Definition localization Module/Instrument Panel Cluster/Heads-up Display/Humidity/Integrated Center Stack |
| 6 | Front blower |
| 8 | Left Front Window Switch |
| 10 | Steering Tilt (LD)/Upfitter Vehicle Module (HD) |
| 11 | Video Processing Module/Overhead Control Camera |
| 12 | Central Gateway Module/Telematics Control Platform/Column Lock/ Driver Monitor System |
| 14 | - |
| 17 | Steering Wheel Controls |
| 18 | - |
| 19 | - |
| 20 | - |
| 21 | - |
| 22 | Heated Steering Wheel |
| 23 | - |
| 24 | - |
| 25 | Spot Lamp Left/Right |
| 26 | USB Ports/Special Equipment option Retained Accessory Power |
| 27 | Accessory Power Outlet/Retained Accessory Power |
| 28 | Accessory Power Outlet/Battery |
| 30 | Sensing and Diagnostic Module/Automatic Occupant Sensing |
| 31 | Body Control Module 3 |
| 32 | Remote Function Actuator/Wireless Charging Module/Aux Jack/Center Stack Module Aux Jack/Trailer Brake Control Switch |
| 33 | Body Control Module 4 |
| 34 | - |
| 40 | - |
| 41 | - |
| 42 | Electric Park Brake Switch |
| 43 | - |
| 44 | Shifter Interface Board |
| 45 | Radio Low |
| 46 | - |
| 47 | - |
| 48 | Transmission control module |
| 49 | Body control module 1 |
| 50 | - |
| 51 | Battery 1 |
| 52 | Battery 2 |
| 53 | - |
| 54 | Sunroof |
| 55 | Driver power seat |
| 56 | DC/DC Converter Battery 1 |
| 57 | DC/DC Converter Battery 2 |
| 58 | - |
| Circuit Breakers | |
| 1 | Accessory power outlet 1 |
| 2 | - |
| 3 | - |
| 4 | - |
| Relays | |
| K1 | - |
| K2 | Retained Accessory Power/Accessory 1 |
| K4 | - |
| K5 | - |
Engine compartment fuse box:
| Fuse/Relay N° | Functions |
| 1 | - |
| 2 | - |
| 3 | Headlamp left |
| 4 | Headlamp right |
| 5 | Rear Defog |
| 6 | Exterior Lighting Module 7 |
| 7 | Exterior Lighting Module 4 |
| 8 | - |
| 9 | Exterior Lighting Module 5 |
| 10 | Exterior Lighting Module 6 |
| 11 | Body Control Module 2 |
| 12 | Rear Defog |
| 13 | Washer Front |
| 14 | - |
| 15 | - |
| 16 | - |
| 17 | IECL 1 |
| 18 | DC/AC inverter |
| 19 | DC/AC inverter |
| 20 | IECR 2 |
| 21 | - |
| 22 | IECL 2 |
| 23 | Fuel Heater |
| 24 | Fuel Heater |
| 25 | EBCM – Electronic Brake Control Module |
| 26 | - |
| 27 | Horn |
| 28 | Park Lamp Mirror/Grill |
| 29 | - |
| 30 | Exterior Lighting Module 3 |
| 31 | Exterior Lighting Module 1 |
| 32 | - |
| 33 | NOT R/C |
| 34 | Radars |
| 35 | Park Lamp/Front Grille Lamp |
| 36 | Run/Crank |
| 37 | MISC IP Headline Ignition |
| 38 | Seat Fan Ignition |
| 39 | - |
| 40 | MISC Body Ignition |
| 41 | Trailer Parking Lamp |
| 42 | - |
| 43 | Secondary Axle Motor |
| 44 | Trailer Integration Module/DEFC/ICCM Ignition |
| 45 | Secondary Axle Motor |
| 46 | Engine Control Module/Transmission Control Module/Integrated Chassis Control Ignition |
| 47 | - |
| 48 | - |
| 49 | Transmission Auxiliary Oil Pump |
| 50 | A/C clutch |
| 51 | Transfer Case Control Module |
| 52 | Front wiper |
| 53 | Center High-Mounted Stoplamp |
| 54 | - |
| 55 | Trailer back-up lamp |
| 56 | SADS – Semi Active Damping System |
| 57 | TTPM/SBZA – Side Blind Zone Alert |
| 58 | Starter motor |
| 59 | A/C clutch |
| 60 | PWR/TRN Sensors 2 |
| 61 | - |
| 62 | DEFC Battery 1/Canister Vent Solenoid |
| 63 | Trailer Brake Control Module |
| 64 | Starter Motor |
| 65 | - |
| 66 | Cooling Fan Motor Left |
| 67 | - |
| 68 | DEFC Battery 2 |
| 69 | Starter Pinion |
| 70 | Starter Motor |
| 71 | Cooling fan |
| 72 | Cooling fan right/Lower |
| 73 | Trailer Stop/Turn Lamp Left |
| 74 | Trailer Interface Module 2 |
| 75 | Integrated Chassis Control Module |
| 76 | Electric Running Board |
| 77 | Powertrain |
| 78 | Engine Control Module |
| 79 | Cabin Coll Pump |
| 80 | Powertrain Sensor 1 |
| 81 | Trailer Stop/Turn Lamp Right |
| 82 | Trailer Interface Module 1 |
| 83 | FTZM – Fuel Tank Zone Module |
| 84 | Trailer Battery |
| 85 | - |
| 86 | Engine Control Module |
| 87 | Injector B even |
| 88 | O2 B sensor |
| 89 | O2 A sensor |
| 90 | Injector A odd |
| 91 | - |
| 92 | Aeroshutter |
