Chevrolet Tahoe 2026 Fuse Box Info
Passenger compartment fuse box location:
The instrument panel fuse box is located on the passenger side edge of the instrument panel.
Engine compartment fuse box location:
Luggage compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Functions |
| 1 | RT DR – Right Doors |
| 2 | LT DR – Left Doors |
| 3 | UGDO/OHC/CAMERA/ETC/ACP2/LIDAR – Universal Garage Door Opener/Overhead Console/Camera/Electronic Toll Collection/ Advanced Driver Assistance Systems Compute Platform/Light Detection and Ranging |
| 4 | BCM 2 – Body Control Module 2 |
| 5 | DISPLAYS – Virtual Cockpit Display |
| 6 | FRT BLWR – Front Blower |
| 8 | LT DR PNL – Left Door Panel Side Access Door Module/Object Detection Sensor/Door Lock Exterior Switch/Door Panel Switch |
| 10 | TVR/UVM/TILT – Upfitter Vehicle Module/Steering Tilt and Telescope Switch |
| 11 | CGM/ONSTAR – Central Gateway Module/Telematics Control Platform (ONSTAR) |
| 12 | Central Gateway Module (CGM)/Onstar |
| 14 | RT DR PNL – Right Door Panel Side Access Door Module/Object Detection Sensor/Door Lock Exterior Switch/Door Panel Switch |
| 17 | STR WHL CONTRL – Steering Wheel Control |
| 18 | - |
| 19 | - |
| 20 | - |
| 21 | - |
| 22 | HTD WHL – Heated Steering Wheel |
| 23 | - |
| 24 | GLVBX DR REL – Glove Box Door Release |
| 25 | SEO/Upfitter – Upfitter Provision – Police Spot Light Left/Police Spot Light Right |
| 26 | USB/SEO RAP – Universal Serial Bus/Search Engine Optimization Retained Accessory Power (Front Passenger Infotainment Jack)/Auxiliary USB Power Outlet/Auxiliary Audio-Video Jack/Power Outlet Auxiliary AC |
| 27 | APO/RAP – Auxiliary Power Outlet/Retained Accessory Power |
| 28 | - |
| 30 | SDM/AOS/NVM/TBCS– Sensing and Diagnostic Module/Automatic Occupant Sensing/Night Vision Module/Trailer Brake Control Switch |
| 31 | BCM 3 – Body Control Module 3 |
| 32 | VCU USB – Virtual Cockpit Unit |
| 33 | BCM 4 – Body Control Module 4 |
| 34 | Out of park |
| 40 | - |
| 41 | - |
| 42 | ELEC PRK/BRK SW/ERTS – Electric Park Brake Switch/Electronic Transmission Range Select Shifter Module |
| 43 | RSI/MFC – Multi-Functional Control Module/Front Passenger Infotainment Jack/Auxiliary Audio-Video Jack/Auxiliary Audio-Video Module & Rear Seat Infotainment |
| 44 | - |
| 45 | - |
| 46 | - |
| 47 | - |
| 48 | TCM – Telematics Control Module |
| 49 | BCM 1 – Body Control Module 1 |
| 50 | - |
| 51 | - |
| 52 | - |
| 53 | - |
| 54 | Sunroof |
| 55 | MSM ROW 2 MTR RT – Memory Seat Module Right Row 2 |
| 56 | DC/DC CNV BATT 1 – Direct Current/Direct Current Converter Battery 1 |
| 57 | DC/DC CNV BATT 2 – Direct Current/Direct Current Converter Battery 2 |
| 58 | - |
| 59 | - |
| CBO1 | - |
| CBO2 | APO 2 – Auxiliary DC Power Outlet Row 2 |
| K1 | GLVBX DR REL – Glove Box Door Release |
| K2 | RAP/ACCY 1 – Retain Accessory Power/Accessory 1 |
| K4 | - |
| K5 | - |
Engine compartment fuse box:
| Fuse/Relay N° | Functions |
| 1 | - |
| 2 | SAM RF (BATT 2) – Side Access Module Right Front (Battery 2) |
| 3 | SAM RR (BATT 1) – Side Access Module Right Rear (Battery 2) |
| 4 | - |
| 5 | - |
| 6 | ELM 7 – Exterior Lighting Module 7 |
| 7 | ELM 4 – Exterior Lighting Module 4 |
| 8 | - |
| 9 | ELM 5 – Exterior Lighting Module 5 |
| 10 | ACP 3 – Advanced Driver Assistance Systems Compute Platform 3 |
| 11 | LRR FRT SRR/VKS FRT – Long Range Radar Sensor/Short Range Radar Sensor//Virtual Key Sensor 1 & 3 |
| 12 | SAM RF (BATT 1) – Side Access Module Right Front (Battery 1) |
| 13 | WSW FRT – Washer Front |
| 14 | WSW RR – Washer Rear |
| 15 | REC BATT 2 – Rear Electrical Center Battery 2 |
| 16 | PSM – Power Sounder Module |
| 17 | EBCM BATT 1 – Electronic Brake Control Module Battery 1 |
| 19 | DC/AC INV – Direct Current Alternating Current Inverter |
| 20 | IECR 2 – Interior Electrical Center Right 2 |
| 21 | ACP 4 – Advanced Driver Assistance Systems Compute Platform 4 |
| 22 | - |
| 24 | Fuel HTR – Fuel Heater |
| 25 | REC BATT 1 – Rear Electrical Center Battery 1 |
| 26 | Camera wash |
| 27 | Horn |
| 28 | HDLP RT – Headlight Right |
| 29 | HDLP LT – Headlight Left |
| 30 | ELM 3 – Exterior Lighting Module 3 |
| 31 | ELM 1 – Exterior Lighting Module 1 |
| 32 | SAM RR (BATT 1) – Side Access Module Right Rear (Battery 1) |
| 33 | Not R/C – RUN/CRANK Steering Column |
| 34 | - |
| 37 | MISC BODY IGN 1 –Electronic Brake Control Module/Differential Control Module/Reflective Light Auxiliary Display |
| 38 | MISC BODY IGN 2 – Direct Current Alternating Current Inverter/RUN CRANK Exterior Lighting Module/Seat Fan Control Cushion Module Row 1 & 2 |
| 39 | Upfitter |
| 40 | MISC IP IGN – RUN/CRANK: Electronic Toll Collection/Inside Rear View Mirror/Upfitter Provision/Air Electric Heater Front/Sensing Diagnostic Module |
| 41 | TRLR PRK LAMP – Trailer Park Light |
| 42 | T/LAMP RT – Trailer Light Right |
| 44 | TIM/TRLR IGN – Trailer Interface Module |
| 45 | SECD AXLE MTR – Secondary Axle Motor |
| 46 | ECM IGN – Engine Control Module |
| 47 | TCM/TCCC/PTSQ/DEFN IGN– Transmission Control Module/Transfer Case Control Module/Power Train Sound Quality/Diesel Exhaust Fluid Control Module |
| 48 | - |
| 49 | TRANS AUX OIL PUMP– Transmission Auxiliary Oil Pump |
| 50 | A/C CLUTCH – Electric Variable Displacement Control Compressor |
| 51 | TCCM – Transfer Case Control Module |
| 52 | FRT WPR – Front Wiper |
| 53 | - |
| 54 | T/LAMP LT – Trailer Light Left |
| 55 | TRLR REV LAMP – Trailer Reverse Lights |
| 56 | SADS – Semi Active Damping System |
| 57 | - |
| 58 | STRTR MTR – Starter Motor |
| 60 | PWR/TRN SNSR 2 – Powertrain Sensor 2 |
| 61 | ALC MAIN – Automatic Leveling Control |
| 62 | DEFC BATT 2/CNSTR VENT SOL – Diesel Exhaust Fluid Control Module/Fuel Tank Zone Module/Canister Vent Solenoid |
| 63 | TRLR BRK – Trailer Brake Control Module |
| 65 | - |
| 66 | COOL FAN MTR – Cooling Fan Module Left |
| 67 | - |
| 68 | ALC MTR — Automatic Leveling Control Motor |
| 69 | STRTR PINION – Starter Pinion |
| 71 | COOL FAN MTR LT – Cooling Fan Motor Left |
| 72 | COOL FAN MTR RT – Cooling Fan Motor Right |
| 73 | TRLR STP/TRN LIGHT LT – Trailer Stop Turn Left |
| 74 | TIM BATT 2 – Trailer Interface Module Battery 2 |
| 75 | DEFC BATT 1 – Diesel Exhaust Fluid Controller Battery 1 |
| 76 | ELEC RNG BDS – Articulating Running Board Module |
| 78 | ECM BATT – Engine Control Module Battery |
| 79 | CABIN COOL PUMP 17W – Auxiliary Water Pump Motor |
| 80 | PWR/TRN SNSR 1 – Powertrain Sensor 1 |
| 81 | TRLR STP/TRN LIGHT RT – Trailer Stop Turn Right |
| 82 | TIM BATT 1 – Trailer Interface Module Battery 1 |
| 83 | FTZM – Fuel Tank Zone Module |
| 84 | TRLR BATT – Trailer Battery |
| 85 | AUX WATER PUMP – Charge Air Cooler Water Pump Motor |
| 86 | PWR/TRN ECM 1 – Powertrain Electric Control Module 1 |
| 87 | EVEN INJ/ECM – Even Ignition Coil/Engine Control Module |
| 88 | O2 B SNSR/MAF/ECM/WRAF/BCV – Engine Control Module: Oxygen Heated Sensor/Mass Air Flow/Inlet Absolute Pressure/Throttle Inlet Absolute Pressure/Evaporative Emission Purge Pump Motor/Block Rotary Valve Actuator/Wide Range Air Fuel |
| 89 | O2 A SNSR/EPWR/CNSTR PRGE/WRAF – Engine Control Module: Step Cam Exhaust Solenoid/Step Cam Intake Solenoid/Solenoid Turbo Bypass/Canister Purge Solenoid/Wide Range Air Fuel/Engine Oil Control Solenoid |
| 90 | ODD INJ/ECM – Odd Ignition Coil/Engine Control Module |
| 91 | PWR/TRN ECM 2 – Powertrain Engine Control Module 2 |
| 92 | AERO SH – Aero Shutter |
| K05 | - |
| K18 | DC/AC INV – Direct Current Alternating Current Inverter |
| K23 | FUEL HTR – Fuel Heater |
| K35 | TRLR PRK LAMP – Trailer Park Light |
| K36 | RUN/CRANK – Run/Crank |
| K43 | SECD AXLE MOTOR – Secondary Axle Motor |
| K59 | A/C CLTCH – Electric Variable Displacement Control Compressor |
| K64 | STRTR MTR – Starter Motor |
| K70 | STRTR PINION – Starter Pinion |
| K77 | PWR/TRN – Powertrain |
Luggage compartment fuse box:
| Fuse/Relay N° | Functions |
| 01 | RFA – Remote Function Actuator |
| 02 | - |
| 03 | HTD SEAT MDL ROW 1 – Heated Seat Module Row 1 |
| 04 | MSM DRVR – Memory Seat Module Driver |
| 05 | - |
| 06 | - |
| 07 | Amp Aux 2 – Amplifier Auxiliary 2 |
| 08 | AMP RRSEAT – Amplifier Rear Seat |
| 09 | SAM LR (BATT 1) – Side Access Module Left Rear (Battery 1) |
| 10 | - |
| 11 | PWR FOLD SEAT ROW 2 – Power Folding Seat Row 2 |
| 12 | GBS – Glass Breakage Sensor |
| 13 | SAM LR (BATT 2) – Side Access Module Left Rear (Battery 2) |
| 14 | MSM ROW 2 – Seat Position Switch Right Row 2/Memory Bolster Module Right Row 2/Memory Seat Module Right Row 2 & Seat Position Switch Left Row 2/Memory Bolster Module Left Row 2/Memory Seat Module Left Row 2 |
| 15 | HTD SEAT MDL ROW 1 (BATT 2) – Heated Seat Module Row 1 (Battery 2) |
| 16 | RH CINCH LATCH – Global Door Latch Right Front/Global Door Latch Right Rear |
| 17 | MSM PASS – Lumbar Module Passenger/Memory Seat Module Passenger/Memory Bolster Module Passenger (1 & 2)/Seat Position Switch Passenger |
| 18 | REAR WIPER – Wiper Motor Rear |
| 19 | - |
| 20 | RR DEFOG – Rear Defog |
| 21 | MSM ROW 2 MTR LT – Memory Seat Module Row 2 Left |
| 22 | HVAC_RR/FCCD/FPI – Heating Ventilation and Air Conditioning Faceplate Display Rear Console/Front Command Center Display |
| 23 | ODS – Occupant Detection Sensor |
| 24 | - |
| 25 | OBS DET – Short Range Radar Rear Left & Right/Short Range Radar Side Rear Left & Right |
| 26 | RDCM – Rear Drive Control Module |
| 27 | Amp Aux 1 – Amplifier Auxiliary 1 |
| 28 | WCM/VKM – Wireless Charger Module/Virtual Key Back-Up Module |
| 29 | - |
| 30 | - |
| 31 | Amp – Amplifier |
| 32 | - |
| 33 | ICCM – Integrated Chassis Control Module - |
| 34 | HTD SEAT MDL ROW 2 – Heated Seat Module Row 2 |
| 35 | TTPM/VKS RR – Trailer Tire Monitor Module/Virtual Key Sensor Rear |
| 36 | ELM 2 – Exterior Lighting Module 2 |
| 37 | ELM 6 – Exterior Lighting Module 6 |
| 38 | RFCM/RR_SLD_CNSL – Refrigerator FreezerCompartment Module/ Power Sliding Console |
| 39 | SAM LF (BATT 1) – Side Access Module Left Front (Battery 1) |
| 40 | - |
| 41 | - |
| 42 | SAM LF (BATT 2) – Side Access Module Left Front (Battery 2) |
| 43 | UPA – Park Assist Module |
| 44 | - |
| 45 | AFL AHL – Adaptive Forward Lighting/Automatic Headlamp Leveling |
| 46 | REAR HVAC BLWR MTR– Blower Motor Control Module Rear |
| 47 | LH CINCH LATCH – Global Door Latch Left Front/Global Door Latch Left Rear |
| 48 | PWR SEAT RECL MDL – Power Folding Seat Module Row 3 |
| 49 | LIFT GLASS – Lift Glass Release |
| 50 | DRVR PWR SEAT – Seat Lumbar Switch Driver/Seat Position Switch Driver/Memory Seat Module Driver |
| 51 | PWR TAILGATE MDL – Power Tailgate Module |
| 52 | PASS PWR SEAT – Seat Position Switch Passenger/Memory Seat Module Passenger/Seat Lumbar Switch Passenger |
| K53 | - |
| K54 | - |
| K55 | LIFT GLASS – Lift Glass Release |
