
Chevrolet Tahoe 2023 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 | Right door | 
| 2 | Left door | 
| 3 | Universal Garage Door Opener (UGDO)/OnStar Hands-free Calling (OHC)/Camera | 
| 4 | BCM 2 – Body Control Module 2 | 
| 5 | Displays | 
| 6 | Front blower | 
| 8 | Left door panel | 
| 10 | Tilt/column lock | 
| 11 | USB/Data Link Connector (DLC) | 
| 12 | Central Gateway Module (CGM)/Onstar | 
| 14 | Right door panel | 
| 17 | Steering wheel control | 
| 18 | AVM 1 – Active Vibration Module 1 | 
| 19 | - | 
| 20 | - | 
| 21 | - | 
| 22 | Heated wheel | 
| 23 | - | 
| 24 | - | 
| 25 | Search Engine Optimization (SEO)/UPFITTER | 
| 26 | USB/Search Engine Optimization (SEO) Retained Accessory Power (RAP) | 
| 27 | Auxiliary Power Outlet (APO)/Retained Accessory Power | 
| 28 | Spare | 
| 30 | SDM/AOS – Sensing and Diagnostic Module/ Automatic Occupant Sensing | 
| 31 | BCM 3 – Body Control Module 3 | 
| 32 | Center Stack Module (CSM)/USB | 
| 33 | BCM 4 – Body Control Module 4 | 
| 34 | Out of park | 
| 40 | - | 
| 41 | - | 
| 42 | Electric park brake switch | 
| 43 | RSE – Road Side Equipment | 
| 44 | AVM 2 – Active Vibration Module 2 | 
| 45 | Radio module | 
| 46 | BCM 1A – Body Control Module 1A | 
| 47 | - | 
| 48 | TCM – Telematics Control Module | 
| 49 | BCM 1 – Body Control Module 1 | 
| 50 | DMS – Driver Monitoring System | 
| 51 | - | 
| 52 | - | 
| 53 | - | 
| 54 | Sunroof | 
| 55 | APO 3 – Auxiliary Power Outlet 3 | 
| 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 | Spare | 
| 59 | - | 
| CBO1 | APO 1 – Auxiliary Power Outlet 1 | 
| CBO2 | APO 2 – Auxiliary Power Outlet 2 | 
| K1 | - | 
| K2 | RAP/ACCY 1 – Retain Accessory Power/ Accessory 1 | 
| K4 | RAP/ACCY 2 – Retain Accessory Power/ Accessory 2 | 
| K5 | - | 
Engine compartment fuse box:
| Fuse/Relay N° | Functions | 
| 1 | - | 
| 2 | - | 
| 3 | - | 
| 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 | ELM 6 – Exterior Lighting Module 6 | 
| 11 | Spare | 
| 12 | - | 
| 13 | Washer front | 
| 14 | Washer rear | 
| 15 | REC 2 – Rear Electrical Center 2 | 
| 16 | Power sounder | 
| 17 | Spare | 
| 18 | DC/AC inverter | 
| 19 | DC/AC inverter | 
| 20 | IECR 2 | 
| 21 | - | 
| 22 | IECL 2 | 
| 23 | - | 
| 24 | EBCM – Electronic Brake Control Module | 
| 25 | REC 1 – Rear Electrical Center 1 | 
| 26 | Camera wash | 
| 27 | Horn | 
| 28 | Headlamp RT – Right | 
| 29 | Headlamp LT – Lef | 
| 30 | ELM 3 – Exterior Lighting Module 3 | 
| 31 | ELM 1 – Exterior Lighting Module 1 | 
| 32 | - | 
| 33 | Not R/C | 
| 34 | - | 
| 35 | Park lamp | 
| 36 | Run/Crank | 
| 37 | On Board Diagnostics (OBD) Body | 
| 38 | MISC body | 
| 39 | Upfitter | 
| 40 | MISC Instrument Panel (IP) | 
| 41 | Trailer parking lamps | 
| 42 | Right taillamp | 
| 43 | Secondary axle motor | 
| 44 | Trailer tow | 
| 45 | Secondary axle motor | 
| 46 | Engine Control Module (ECM) Ignition | 
| 47 | OBD engine | 
| 48 | - | 
| 49 | TCM – Telematics Control Module | 
| 50 | A/C clutch | 
| 51 | TCCM – Transfer Case Control Module | 
| 52 | Front wiper | 
| 53 | - | 
| 54 | Left taillamps | 
| 55 | Trailer back up lamp | 
| 56 | SADS – Semi Active Damping System | 
| 57 | Spare | 
| 58 | Starter motor | 
| 59 | A/C clutch | 
| 60 | AFM 1 – Active Fuel Management 1 | 
| 61 | Automatic Lamp Control (ALC) Main | 
| 62 | ICCM/CVS/DEF – Integrated Chassis Control Module/Canister Vent Solenoid/Diesel Exhaust Fluid | 
| 63 | Trailer brake | 
| 64 | Starter motor | 
| 65 | AUX UEC – Auxiliary Underhood Electrical Center | 
| 66 | Left cool fan motor | 
| 67 | AFM 2 – Active Fuel Management 2 | 
| 68 | Automatic Lamp Control (ALC) Motor | 
| 69 | Starter pinion | 
| 70 | Starter pinion | 
| 71 | Cool fan motor lower | 
| 72 | Right cool fan motor/ Lower | 
| 73 | Left trailer stop turn lamp | 
| 74 | TIM 2 – Trailer Interface Module 2 | 
| 75 | DEFC – Diesel Exhaust Fluid Controller | 
| 76 | ELEC RNG BDS | 
| 77 | Powertrain | 
| 78 | ECM – Engine Control Module | 
| 79 | - | 
| 80 | Cabin cool pump 17W | 
| 81 | Right trailer stop turn lamp | 
| 82 | TIM 1 – Trailer Interface Module 1 | 
| 83 | FTZM – Fuel Tank Zone Module | 
| 84 | Trailer battery | 
| 85 | Engine | 
| 86 | ECM – Engine Control Module | 
| 87 | Injector B even | 
| 88 | O2 B Sensor | 
| 89 | O2 A Sensor | 
| 90 | Injector A odd | 
| 91 | Engine Control Module (ECM) Throttle Control | 
| 92 | Cool fan clutch AERO shutter | 
Luggage compartment fuse box:
| Fuse/Relay N° | Functions | 
| 01 | RFA – Remote Function Actuator | 
| 02 | WCM – Wireless Charging Module | 
| 03 | Heated Seat Module Row 1 (Battery 1) | 
| 04 | Memory Seat Module (MSM) Driver | 
| 05 | - | 
| 06 | - | 
| 07 | Amp Aux 2 – Amplifier Auxiliary 2 | 
| 08 | - | 
| 09 | SEO UPFTR 2 – Search Engine Optimization Upfitter 2 | 
| 10 | Motor seatbelt passenger | 
| 11 | Power folding seat row 2 | 
| 12 | GBS | 
| 13 | - | 
| 14 | - | 
| 15 | Heated seat module row 1 (Battery 2) | 
| 16 | RH CINCH Latch – Right Hand Cinch Latch | 
| 17 | Memory seat module passenger | 
| 18 | Rear wiper | 
| 19 | Motor seatbelt driver | 
| 20 | Rear defogger | 
| 21 | - | 
| 22 | Rear HVAC display control | 
| 23 | EOCM – External Object Calculation Module | 
| 24 | Amp Aux 3 – Amplifier Auxiliary 3 | 
| 25 | OBS DET | 
| 26 | RDCM – Rear Drive Control Module | 
| 27 | Amp Aux 1 – Amplifier Auxiliary 1 | 
| 28 | VPM – Video Processing Module | 
| 29 | - | 
| 30 | - | 
| 31 | Amp – Amplifier | 
| 32 | - | 
| 33 | ICCM – Integrated Chassis Control Module | 
| 34 | Heated seat module row 2 | 
| 35 | HFCR | 
| 36 | ELM – Exterior Lighting Module | 
| 37 | - | 
| 38 | Power slide console | 
| 39 | - | 
| 40 | - | 
| 41 | - | 
| 42 | - | 
| 43 | UPA – Universal Park Assist | 
| 44 | - | 
| 45 | AFL AHL – Adaptive Forward Lighting/ Automatic Headlamp Leveling | 
| 46 | Rear HVAC blower motor | 
| 47 | LH CINCH Latch – Left Hand Cinch Latch | 
| 48 | Power seat recline module | 
| 49 | Lift glass | 
| 50 | Driver power seat | 
| 51 | Power liftgate module | 
| 52 | Passenger power seat | 
| K53 | - | 
| K54 | - | 
| K55 | L/GLASS | 
 
				



