GMC Sierra (2019 – 2022) Fuse Box Location and Diagrams
Fuse box schematics and locations for GMC Sierra (2019–2022) models are covered in this guide. To keep your Sierra running smoothly and safely, learn your vehicle’s fuse layout and replace blown fuses fast.
Fuse Box Locations
Instrument Panel Fuse Block (Left)
The left instrument panel fuse block access door is on the driver side edge of the instrument panel.
Instrument Panel Fuse Block (Right)
The right instrument panel fuse block access door is on the passenger side edge of the instrument panel.
To access the back of the block:
- Push the tab at the top of fuse block down;
- Pull the top of the block outward;
- Reverse Steps 1-2 to reinstall
Engine Compartment Fuse Box
Instrument Panel Fuse Block (Left) Diagram
GMC Sierra (2019 and 2020)
| № | Usage |
|---|---|
| F1 | Rear heated seats left/right |
| F3 | Euro trailer |
| F4 | Not Used |
| F5 | Front Bolster |
| F6 | Heated and cooled seats left/right |
| F8 | Rear seat entertainment/Theft deterrent |
| F9 | Passive entry/Passive start/Driver seat module |
| F10 | Not Used |
| F11 | Sunshade |
| F12 | Passenger power seat |
| F13 | Export power take off/ Special equipment option 1 |
| F14 | Not Used |
| F15 | Not Used |
| F16 | AMP |
| F17 | MFEG |
| F18 | Not Used |
| F20 | Endgate |
| F22 | Rear sliding window |
| F23 | Not Used |
| F24 | Not Used |
| F25 | Not Used |
| F26 | Not Used |
| F27 | Not Used |
| Circuit Breakers | |
| CB1 | Not Used |
| Relays | |
| K1 | Rear sliding window open |
| K2 | Rear sliding window close |
| K3 | MFEG major 1 |
| K4 | MFEG minor 1 |
| K5 | MFEG minor 2 |
| K6 | MFEG major 2 |
| K7 | Anti-theft |
| K8 | Not Used |
GMC Sierra (2021 and 2022)
| Fuse | Usage |
|---|---|
| F1 | Rear heated seats left/right |
| F3 | – |
| F4 | – |
| F5 | Spare / MFEG |
| F6 | Heated and ventilated seats left/right |
| F8 | – |
| F9 | Passive entry passive start / Spare |
| F10 | – |
| F11 | – |
| F12 | Passenger power seat |
| F13 | Export power take off / Special equipment option 1 |
| F14 | 2021: – 2022: Data Link Connector |
| F15 | – |
| F16 | AMP |
| F17 | 2021: – 2022: MFEG – Multifunction |
| F18 | – |
| F20 | Endgate |
| F22 | Rear sliding window |
| F23 | 2021: – 2022: Driver and Passenger |
| F24 | – |
| F25 | – |
| F26 | – |
| F27 | – |
| Circuit Breaker | Usage |
|---|---|
| CB1 | – |
| Relay | Usage |
|---|---|
| K1 | Rear sliding window open |
| K2 | Rear sliding window close |
| K3 | MFEG major 1 |
| K4 | 2021: MFEG minor 1 2022: – |
| K5 | MFEG minor 2 |
| K6 | MFEG major 2 |
| K7 | – |
| K8 | – |
Instrument Panel Fuse Block (Right) Diagram
GMC Sierra (2019 and 2020)
| № | Usage |
|---|---|
| F1 | Right doors |
| F2 | Left doors |
| F3 | Universal remote system |
| F4 | Not Used |
| F5 | Not Used |
| F6 | Front blower |
| F8 | Lumbar switch |
| F9 | Not Used |
| F10 | Body control module 6/Body control module 7 |
| F11 | Seat/CLM |
| F12 | Body control module 3/Body control module 5 |
| F14 | Mirrors/Windows module |
| F17 | Steering wheel controls |
| F18 | VPM/OBS DET |
| F19 | DLIS |
| F20 | Cooled seats |
| F21 | NOT R/C |
| F22 | Heated steering wheel |
| F23 | MISC R/C |
| F24 | Instrument panel cluster ignition/ Overhead |
| F25 | Heating, ventilation, and air conditioning ignition/Heating, ventilation, and air conditioning auxiliary |
| F26 | USB ports/Special equipment option retained accessory power |
| F27 | Accessory power outlet/retained accessory power |
| F28 | Accessory power outlet/Battery |
| F30 | Sensing and diagnostic module/ Parking brake |
| F31 | Body control module 4 |
| F32 | Special equipment option/Data link connection |
| F33 | Body control module 8 |
| F34 | Cargo lamp |
| F40 | CGM |
| F41 | Infotainment 1 |
| F42 | TCP |
| F43 | Not Used |
| F44 | AVM |
| F45 | Body control module 2 |
| F46 | Heating, ventilation, and air conditioning/ Battery 1 |
| F47 | Instrument panel cluster/Battery |
| F48 | Transmission control module |
| F49 | Body control module 1 |
| F50 | Not Used |
| F51 | Battery 1 |
| F52 | Battery 2 |
| F53 | Not Used |
| F54 | Sunroof |
| F55 | Driver power seat |
| F56 | DC DC TRANS 1 |
| F57 | DC DC TRANS 2 |
| F58 | Infotainment 2 |
| Circuit Breakers | |
| CB1 | Accessory power outlet 2 |
| CB2 | Accessory power outlet 1/Cigarette Lighter |
| CB3 | Accessory power outlet 3 |
| CB4 | Accessory power outlet 4 |
| Relays | |
| K1 | Run/Crank |
| K2 | Retained accessory power/Accessory 1 |
| K4 | Retained accessory power/Accessory 2 |
| K5 | Not Used |
GMC Sierra (2021)
| Fuse | Usage |
|---|---|
| F1 | Right doors |
| F2 | Left doors |
| F3 | Universal garage door opener |
| F4 | – |
| F5 | – |
| F6 | Front blower |
| F8 | Lumbar switch |
| F10 | Body control module 6 / Body control module 7 |
| F11 | Seat / Column lock module |
| F12 | Body control module 3 / Body control module 5 |
| F14 | Mirrors / Windows module |
| F17 | Steering wheel controls |
| F18 | Video processing module / Obstacle detection |
| F19 | DLIS |
| F20 | Ventilated seats |
| F21 | NOT R/C |
| F22 | Heated steering wheel |
| F23 | MISC R/C |
| F24 | Instrument panel cluster ignition / Overhead |
| F25 | Heating, ventilation, and air conditioning ignition / Heating, ventilation, and air conditioning auxiliary |
| F26 | USB ports / Special equipment option retained accessory power |
| F27 | Accessory power outlet / Retained accessory power |
| F28 | Accessory power outlet / Battery |
| F30 | Sensing and diagnostic module / Parking brake |
| F31 | Body control module 4 |
| F32 | Special equipment option / Data link connection |
| F33 | Body control module 8 |
| F34 | Cargo lamp |
| F40 | CGM |
| F41 | Infotainment 1 |
| F42 | TCP |
| F43 | – |
| F44 | Active vibration management |
| F45 | Body control module 2 |
| F46 | Heating, ventilation, and air conditioning / Battery 1 |
| F47 | Instrument panel cluster / Battery |
| F48 | Transmission control module |
| F49 | Body control module 1 |
| F50 | – |
| F51 | Battery 1 |
| F52 | Battery 2 |
| F53 | – |
| F54 | Sunroof |
| F55 | Driver power seat |
| F56 | DC DC TRANS 1 |
| F57 | DC DC TRANS 2 |
| F58 | Infotainment 2 |
| Circuit Breaker | Usage |
|---|---|
| 1 | Accessory power outlet 2 |
| 2 | Accessory power outlet 1 / Cigarette lighter |
| 3 | Accessory power outlet 3 |
| 4 | Accessory power outlet 4 |
| Relay | Usage |
|---|---|
| K1 | Run / Crank |
| K2 | Retained accessory power / Accessory 1 |
| K4 | Retained accessory power / Accessory 2 |
| K5 | – |
GMC Sierra (2022)
| Fuse | Usage |
|---|---|
| F1 | Right Doors |
| F2 | Left Doors |
| F3 | – |
| F4 | ELM – Exterior Lighting Module 2 |
| F5 | High Definition Localization Module / Instrument Panel Cluster / Heads-up Display / Humidity / Integrated Center Stack |
| F6 | Front Blower |
| F8 | Left Front Window Switch |
| F10 | Steering Tilt (LD) / Upfitter Vehicle Module (HD) |
| F11 | Video Processing Module / Overhead Control Camera |
| F12 | Central Gateway Module / Telematics Control Platform / Column Lock / Driver Monitor System |
| F14 | – |
| F17 | Steering Wheel Controls |
| F18 | – |
| F19 | – |
| F20 | – |
| F21 | – |
| F22 | Heated Steering Wheel |
| F23 | – |
| F24 | – |
| F25 | Spot Lamp Left / Right |
| F26 | USB Ports / Special Equipment Option Retained Accessory Power |
| F27 | Accessory Power Outlet / Retained Accessory Power |
| F28 | Accessory Power Outlet / Battery |
| F30 | Sensing and Diagnostic Module / Automatic Occupant Sensing |
| F31 | Body Control Module 3 |
| F32 | Remote Function Actuator / Wireless Charging Module / Aux Jack / Center Stack Module Aux Jack / Trailer Brake Control Switch |
| F33 | Body Control Module 4 |
| F34 | – |
| F40 | – |
| F41 | – |
| F42 | Electric Park Brake Switch |
| F43 | – |
| F44 | Shifter Interface Board |
| F45 | Radio Low |
| F46 | – |
| F47 | – |
| F48 | Transmission Control Module |
| F49 | Body Control Module 1 |
| F50 | – |
| F51 | Battery 1 |
| F52 | Battery 2 |
| F53 | – |
| F54 | Sunroof |
| F55 | Driver Power Seat |
| F56 | DC/DC Converter Battery 1 |
| F57 | DC/DC Converter Battery 2 |
| F58 | – |
| Circuit Breaker | Usage |
|---|---|
| 1 | Accessory Power Outlet 1 |
| 2 | – |
| 3 | – |
| 4 | – |
| Relay | Usage |
|---|---|
| K1 | – |
| K2 | Retained Accessory Power / Accessory 1 |
| K4 | – |
| K5 | – |
Engine Compartment Fuse Box Diagram
GMC Sierra (2019 and 2020)
| № | Usage |
|---|---|
| 1 | High-beam left |
| 2 | High-beam right |
| 3 | Headlamp left |
| 4 | Headlamp right |
| 6 | TIM |
| 7 | Not Used |
| 8 | Fog lamp |
| 9 | VKM |
| 10 | Not Used |
| 11 | Police upfitter |
| 12 | Not Used |
| 13 | Washer front |
| 14 | Washer rear |
| 15 | MSB driver |
| 16 | Not Used |
| 17 | IECL 1 |
| 19 | DC/AC inverter |
| 20 | 2019: IECR 2 2020: IECR 2 (LD) / EBCM2 (HD) |
| 21 | MSB pass |
| 22 | IECL 2 |
| 24 | 2019: Eboost 1 2020: EBCM 1 |
| 25 | REC |
| 26 | Not Used |
| 27 | Horn |
| 28 | Not Used |
| 29 | Not Used |
| 30 | Not Used |
| 31 | Not Used |
| 32 | Rear window defogger |
| 33 | Heated mirror |
| 34 | Parking lamp left |
| 37 | Euro trailer |
| 38 | TIM |
| 39 | Not Used |
| 40 | Misc ignition |
| 41 | Trailer parking lamp |
| 42 | Park lamp right |
| 44 | Not Used |
| 45 | Second fuel pump |
| 46 | Engine control module ignition |
| 47 | Transmission control module ignition |
| 48 | Not Used |
| 49 | Transmission control module |
| 50 | A/C clutch |
| 51 | Transfer case control module |
| 52 | Front wiper |
| 53 | Center high-mounted stop lamp |
| 54 | Trailer reverse lamp |
| 55 | Trailer back-up lamp |
| 56 | SADS |
| 57 | TTPM |
| 58 | 2019: Starter motor 2020: Starter motor (LD & HD DSL) |
| 60 | Active fuel management 1 |
| 61 | VES |
| 62 | Integrated chassis control module/CVS |
| 63 | Trailer battery |
| 65 | Auxiliary underhood electrical center |
| 66 | Cooling fan motor left |
| 67 | Active fuel management 2 |
| 68 | Not Used |
| 69 | 2019: Starter pinion 2020: Starter Pinion (LD) / Starter Motor (HD Gas) |
| 71 | Cooling fan |
| 72 | Cooling fan right |
| 73 | Trailer stop/turn lamp left |
| 74 | TIM |
| 75 | DEFC |
| 76 | Electric RNG BDS |
| 78 | Engine control module |
| 79 | Auxiliary battery |
| 80 | Cabin cooling pump |
| 81 | Trailer stop/turn lamp right |
| 82 | TIM |
| 83 | FTZM |
| 84 | Trailer brake |
| 85 | ENG |
| 86 | Engine control module |
| 87 | Injector B even |
| 88 | O2 B sensor |
| 89 | O2 A sensor |
| 90 | Injector A odd |
| 91 | Engine control module throttle control |
| 92 | Cool fan clutch |
| Relays | |
| 5 | Headlamp |
| 18 | DC/AC inverter |
| 23 | Rear window defogger |
| 35 | Parking lamp |
| 36 | Run/Crank |
| 43 | Second fuel pump |
| 59 | A/C clutch |
| 64 | 2019: Starter motor. 2020: Starter Motor (LD & HD DSL) / Cool Fan Clutch (HD Gas) |
| 70 | 2019: Starter pinion. 2020: Starter Pinion (LD) / Starter Motor (HD Gas) |
| 77 | Powertrain |
GMC Sierra (2021)
| Fuse | Usage |
|---|---|
| 1 | High-beam left |
| 2 | High-beam right |
| 3 | Headlamp left |
| 4 | Headlamp right |
| 6 | TIM |
| 7 | – |
| 8 | Fog lamp |
| 9 | – |
| 10 | – |
| 11 | Police upfitter |
| 12 | – |
| 13 | Washer front |
| 14 | Washer rear |
| 15 | MSB driver |
| 16 | – |
| 17 | IECL 1 |
| 19 | DC/AC inverter |
| 20 | IECR 2 (LD) / EBCM2 (HD) |
| 21 | MSB pass |
| 22 | IECL 2 |
| 24 | EBCM 1 |
| 25 | REC |
| 26 | – |
| 27 | Horn |
| 28 | – |
| 29 | – |
| 30 | – |
| 31 | – |
| 32 | Rear window defogger |
| 33 | Heated mirror |
| 34 | Parking lamp left |
| 37 | Euro trailer |
| 38 | TIM |
| 39 | – |
| 40 | Misc ignition |
| 41 | Trailer parking lamp |
| 42 | Park lamp right |
| 44 | – |
| 45 | Second fuel pump |
| 46 | Engine control module ignition |
| 47 | Transmission control module ignition |
| 48 | – |
| 49 | Transmission control module |
| 50 | A/C clutch |
| 51 | Transfer case control module |
| 52 | Front wiper |
| 53 | Center high-mounted stop lamp |
| 54 | Trailer reverse lamp |
| 55 | Trailer back-up lamp |
| 56 | SADS |
| 57 | TTPM |
| 58 | Starter motor (LD & HD DSL) |
| 60 | Active fuel management 1 |
| 61 | VES |
| 62 | Integrated chassis control module / CVS |
| 63 | Trailer battery |
| 65 | Auxiliary underhood electrical center |
| 66 | Cooling fan motor left |
| 67 | Active fuel management 2 |
| 68 | – |
| 69 | Starter Pinion (LD) / Starter Motor (HD Gas) |
| 71 | Cooling fan |
| 72 | Cooling fan right |
| 73 | Trailer stop/turn lamp left |
| 74 | TIM |
| 75 | DEFC |
| 76 | Electric RNG BDS |
| 78 | Engine control module |
| 79 | Auxiliary battery |
| 80 | Cabin cooling pump |
| 81 | Trailer stop/turn lamp right |
| 82 | TIM |
| 83 | FTZM |
| 84 | Trailer brake |
| 85 | ENG |
| 86 | Engine control module |
| 87 | Injector B even |
| 88 | O2 B sensor |
| 89 | O2 A sensor |
| 90 | Injector A odd |
| 91 | Engine control module throttle control |
| 92 | Cool fan clutch |
| Relay | Usage |
|---|---|
| 5 | Headlamp |
| 18 | DC/AC inverter |
| 23 | Rear window defogger |
| 35 | Parking lamp |
| 36 | Run / Crank |
| 43 | Second fuel pump |
| 59 | A/C clutch |
| 64 | Starter Motor (LD & HD DSL) / Cool Fan Clutch (HD Gas) |
| 70 | Starter Pinion (LD) / Starter Motor (HD Gas) |
| 77 | Powertrain |
GMC Sierra (2022)
| Fuse | Usage |
|---|---|
| 1 | – |
| 2 | – |
| 3 | Headlamp Left |
| 4 | Headlamp Right |
| 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 |
| 19 | DC/AC Inverter |
| 20 | IECR 2 |
| 21 | – |
| 22 | IECL 2 |
| 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 |
| 37 | MISC IP Headline Ignition |
| 38 | Seat Fan Ignition |
| 39 | – |
| 40 | MISC Body Ignition |
| 41 | Trailer Parking Lamp |
| 42 | – |
| 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 |
| 60 | PWR / TRN Sensors 2 |
| 61 | – |
| 62 | DEFC Battery 1 / Canister Vent Solenoid |
| 63 | Trailer Brake Control Module |
| 65 | – |
| 66 | Cooling Fan Motor Left |
| 67 | – |
| 68 | DEFC Battery 2 |
| 69 | Starter Pinion |
| 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 |
| 78 | Engine Control Module |
| 79 | Cabin Cooling 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 |
| Relay | Usage |
|---|---|
| 5 | Rear Defog |
| 18 | DC/AC Inverter |
| 23 | Fuel Heater |
| 35 | Park Lamp / Front Grille Lamp |
| 36 | Run / Crank |
| 43 | Secondary Axle Motor |
| 59 | A/C Clutch |
| 64 | Starter Motor |
| 70 | Starter Motor |
| 77 | Powertrain |
