
GMC Sierra EV 2026 Fuse Box Info
Passenger compartment fuse box location:

The left instrument panel fuse box A is located on the driver side of the instrument panel, between the steering wheel and the door. The right instrument panel fuse box B is located behind the glove box.
Underhood compartment fuse box location:

Fuse Box Diagram | Layout
Passenger compartment fuse box A (Left):

| Fuse/Relay N° | Functions |
| 01 | DRIVER_PWR_ST |
| 02 | VKS_TTPM |
| 03 | VECM |
| 04 | BCM 1 – Body Control Module 1 |
| 05 | ELM 5 – Exterior Lighting Module 5 |
| 06 | PASSENGER DSP |
| 07 | SPARE |
| 08 | TCP – Telematics Control Platform |
| 09 | 4W_Co_Driver PWR LUMBAR SPARE |
| 10 | WCM_VKM – Wireless Charger Module TVR_APA_PFA |
| 11 | 2ND HTD SEAT – 2nd Row Heated Seat 2ND HTD SEAT – 2nd Row Heated Seat 1 |
| 12 | SPARE |
| 13 | TPIM TPIM 2 |
| 14 | SPARE |
| 15 | SPARE |
| 16 | Tonneau Accessory |
| 17 | SDM_AOS SRR |
| 18 | SPARE |
| 19 | SPARE |
| 20 | OBCM 2 MSM |
| 21 | HSM ROW HSM ROW 1 |
| 22 | SPARE |
| 23 | MJR END HIGH |
| 24 | TPIM 1 & VBAT 1 – Traction Power Inverter Module 1 |
| 25 | SPARE |
| 26 | TPIM 2 & VBAT 1 – Traction Power Inverter Module 1 |
| 27 | DSP |
| 28 | ELM 7 – Exterior Lighting Module 7 |
| 29 | SPARE |
| 30 | MJR END LOW |
| 31 | ELM 2 – Exterior Lighting Module 2 |
| 32 | RFR/PLCM |
| 33 | MIDGATE CONTROL LOW |
| 34 | ACP_VPM |
| 35 | AMP – Amplifier |
| 36 | CO-DRVR_PWR_ST |
| 37 | SPARE |
| 38 | ELM 6 – Exterior Lighting Module 6 |
| 39 | RT WNDW – Right Hand Power Window |
| 40 | LT WNDW – Left Hand Power Window |
| CB01 | - |
| CB02 | - |
Passenger compartment fuse box B (Right):

| Fuse/Relay N° | Functions |
| 01 | FRT BLWR MTR – Front Blower Motor |
| 02 | CPM |
| 03 | VDM |
| 04 | SPARE |
| 05 | BCM 2 – Body Control Module 2 |
| 06 | BCM 4 – Body Control Module 4 |
| 07 | COIL CLOCK SPRING |
| 08 | TBCS/EPB – Trailer Brake Control Switch/Electric Park Brake |
| 09 | ESM SPARE |
| 10 | Displays SPARE |
| 11 | CGM – Central Gateway Module SPARE |
| 12 | Steering Column Lock |
| 13 | SPARE DLC – Data Link Connection |
| 14 | BODY MISC BODY MISC 1 |
| 15 | MISC_IP 1 |
| 16 | SPARE |
| 17 | SPARE |
| 18 | BDY 1 HDLNR |
| 19 | VICM TPIM IGN – Vehicle Integration Control Module/Traction Power Inverter Module/Ignition |
| 20 | OHC HUD ETC |
| 21 | VCU VCU 2 |
| 22 | SPARE |
| 23 | SPARE |
| 24 | FCM_RLH_UGDO |
| 25 | USB_ROW 2 |
| 26 | SPARE |
| 27 | USB |
| 28 | SPARE |
| 29 | FRT_HVAC_DIS |
| 30 | SPARE |
| 31 | BCM 3 – Body Control Module 3 |
| 32 | HSWM – Heating Steering Wheel Module |
| 33 | SPARE |
| 34 | SPARE |
| 35 | SPARE |
| 36 | SPARE |
| 37 | SPARE |
| 38 | SPARE |
| 39 | SPARE |
| 40 | SPARE |
| CB01 | APO – Auxiliary Power Outlet Center Console |
| CB02 | SPARE |
Underhood compartment fuse box:

| Fuse/Relay N° | Functions |
| 01 | - |
| 02 | - |
| 03 | - |
| 04 | - |
| 05 | - |
| 06 | ACEC – Air Conditioning Electric Compressor |
| 07 | ESSCP – Energy Storage System Coolant Pump |
| 08 | - |
| 09 | PECP – Power Electric Cooling Pump |
| 10 | - |
| 11 | - |
| 12 | - |
| 13 | TRLR_HD – Trailer Headlamps |
| 14 | - |
| 15 | VLM – Vehicle Leveling Module Spare |
| 16 | - |
| 17 | ELM 1 – Exterior lighting Module 1 |
| 18 | SADS – Semi Active Damping System TAIL LMP LT – Left Tail Lamp |
| 19 | IECL 2 – Left Internal Electrical Center 2 |
| 20 | - |
| 21 | - |
| 22 | IRM_ACM – Integrated Refrigerant Module and Air Conditioning Module |
| 23 | TAIL LMP RT – Right Tail Lamp VICMS – Vehicle Integrated Control Module |
| 24 | - |
| 25 | - |
| 26 | - |
| 27 | PKLPS_TRLR – Trailer Parklamps |
| 28 | - |
| 29 | Spare |
| 30 | PUMP_ONE |
| 31 | - |
| 32 | - |
| 33 | Spare TRLR REV LMPS – Reverse Trailer Lamps |
| 34 | TIM1 – Trailer Interface Module 1 |
| 35 | Spare |
| 36 | TPIM1_BAT2 |
| 37 | - |
| 38 | TRLR_STP_TRN_LT – Trailer Stop |
| 39 | TRLR_STP_TRN_RT |
| 40 | VLM_M |
| 41 | - |
| 42 | - |
| 43 | - |
| 44 | Spare |
| 45 | Spare |
| 46 | Spare |
| 47 | Spare |
| 48 | Spare |
| 49 | TBPM – Trailer Brake Power Module |
| 50 | Spare |
| 51 | MIDGATE MOTOR RIGHT |
| 52 | - |
| 53 | Spare |
| 54 | PFCM |
| 55 | REAR DEFOG |
| 56 | - |
| 57 | MINOR ENDGATE HIGH |
| 58 | FRNT WIPER |
| 59 | TIM2 |
| 60 | PKLPS_ID |
| 61 | Spare |
| 62 | ELM 3 |
| 63 | GLASS BREAK |
| 64 | - |
| 65 | ELM 4 |
| 66 | - |
| 67 | EMB/GRILL LIGHT |
| 68 | HDLP_LT |
| 69 | MIDGATE LEFT MOTOR |
| 70 | EBCM 1 |
| 71 | DC/AC INV |
| 72 | Spare |
| 73 | - |
| 74 | - |
| 75 | Spare |
| 76 | HDLP_RT |
| 77 | - |
| 78 | MIDGATE CROSS BAR MOTOR 2 MIDGATE CROSS BAR MOTOR 1 |
| 79 | PCV_PEEV_ALD FR RADAR/VIRTUAL KEY |
| 80 | IECR 2 |
| 81 | IECL 1 |
| 82 | - |
| 83 | - |
| 84 | V2LIM |
| 85 | Spare HVS (HIGH VOLTAGE SERVICE DISCONNECT) |
| 86 | HORN |
| 87 | FRT WSHR PMP |
| 88 | - |
| 89 | - |
| 90 | - |
| 91 | - |





