
Table of Contents
ToggleChevrolet Silverado (2019 – 2022) Fuse Box Diagrams & Location User Guide
The 2019–2022 Chevrolet Silverado fuse box schematics and locations are covered in this blog. This information identifies fuses and relays for proper Silverado system maintenance, troubleshooting, and electrical repairs.
Fuse Box Locations
Instrument Panel Fuse Block (Right)
The right instrument panel fuse block access door is on the passenger side edge of the instrument panel.

Pull off the cover to access the front of the fuse block.
- Push the tab at the top of fuse block down.
- Pull the top of the fuse block outward.
- Reverse Steps 1–2 to reinstall.
Instrument Panel Fuse Block (Left)
The left instrument panel fuse block access door is on the driver side edge of the instrument panel.

Engine Compartment Fuse Block
The engine compartment fuse block is in the engine compartment, on the passenger side of the vehicle.

Instrument Panel Fuse Block (Right)
Chevrolet Silverado (2019, 2020 and 2021)

| Fuse No. | Usage |
|---|---|
| F1 | Right doors |
| F2 | Left doors |
| F3 | Universal remote system |
| F4 | – |
| F5 | – |
| F6 | Front blower |
| F8 | Lumbar switch |
| 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 / Obstacle detection |
| F19 | DLIS |
| F20 | Cooled seats |
| F21 | NOT R/C |
| F22 | Heated steering wheel |
| F23 | Misc R/C |
| F24 | Instrument panel cluster ignition / Overhead |
| F25 | HVAC ignition / HVAC 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 | AVM |
| F45 | Body control module 2 |
| F46 | HVAC / 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 |
| Breaker No. | Usage |
|---|---|
| 1 | Accessory power outlet 2 |
| 2 | Accessory power outlet 1 / Cigarette lighter |
| 3 | Accessory power outlet 3 |
| 4 | Accessory power outlet 4 |
| Relay No. | Usage |
|---|---|
| K1 | Run / Crank |
| K2 | Retained accessory power / Accessory 1 |
| K4 | Retained accessory power / Accessory 2 |
| K5 | – |
Chevrolet Silverado (2022)

| Fuse No. | 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 – Discrete Logic Ignition Switch |
| F20 | Ventilated Seats |
| F21 | NOT R/C |
| F22 | Heated Steering Wheel |
| F23 | MISC R/C |
| F24 | Power Take Off / Reflective Light Auxiliary Display / IPC / CGM / Mirror / Overhead Console Module Ignition |
| F25 | HVAC Ignition / HVAC 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 – Central Gateway Module |
| F41 | Infotainment 1 |
| F42 | TCP – Telematics Connectivity Platform |
| F43–F44 | – |
| F45 | Body Control Module 2 |
| F46 | HVAC / 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 |
| Breaker No. | Usage |
|---|---|
| CB1 | Accessory Power Outlet 2 |
| CB2 | Accessory Power Outlet 1 / Cigarette Lighter |
| CB3–CB4 | – |
| Relay No. | Usage |
|---|---|
| K1 | Run/Crank |
| K2 | Retained Accessory Power / Accessory 1 |
| K4–K5 | – |
Instrument Panel Fuse Block (Left)
Chevrolet Silverado (2019 and 2020)

| Fuse No. | Usage |
|---|---|
| F1 | Rear heated seats left/right |
| F3 | Euro trailer |
| F4 | – |
| 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 | – |
| F11 | Sunshade |
| F12 | Passenger power seat |
| F13 | Export power take-off / Special equipment option 1 |
| F14 | – |
| F15 | – |
| F16 | AMP |
| F17 | MFEG |
| F18 | – |
| F20 | Endgate |
| F22 | Rear sliding window |
| F23–F27 | – |
| Breaker No. | Usage |
|---|---|
| CB1 | – |
| Relay No. | Usage |
|---|---|
| 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 | – |
Chevrolet Silverado (2021 and 2022)

| Fuse No. | Usage |
|---|---|
| F1 | Rear Heated Seats Left/Right |
| F3–F4 | – |
| F5 | Spare / MFEG – Multifunction End Gate |
| 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–F15 | – |
| F16 | AMP – Amplifier |
| F17–F18 | – |
| F20 | Endgate |
| F22 | Rear Sliding Window |
| F23–F27 | – |
| Breaker No. | Usage |
|---|---|
| CB1 | – |
| Relay No. | Usage |
|---|---|
| K1 | Rear Sliding Window Open |
| K2 | Rear Sliding Window Close |
| K3 | MFEG Major 1 – Multifunction End Gate Major 1 |
| K4 | MFEG Minor 1 – Multifunction End Gate Minor 1 |
| K5 | MFEG Minor 2 – Multifunction End Gate Minor 2 |
| K6 | MFEG Major 2 – Multifunction End Gate Major 2 |
| K7–K8 | – |
Engine Compartment Fuse Block
Chevrolet Silverado (2019 and 2020)

| Fuse No. | Usage |
|---|---|
| 1 | High-beam left |
| 2 | High-beam right |
| 3 | Headlamp left |
| 4 | Headlamp right |
| 6 | TIM |
| 7 | – |
| 8 | Fog lamp |
| 9 | VKM |
| 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 |
| 21 | MSB passenger |
| 22 | IECL 2 |
| 24 | Electric brake booster 1 |
| 25 | REC |
| 26 | – |
| 27 | Horn |
| 28–31 | – |
| 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 |
| 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 |
| 71 | Cooling fan |
| 72 | Cooling fan right |
| 73 | Trailer stop/turn lamp left |
| 74 | TIM |
| 75 | DEFC |
| 76 | Electric running boards |
| 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 No. | 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 |
| 70 | Starter pinion |
| 77 | Powertrain |
Chevrolet Silverado (2021 and 2022)

| Fuse No. | Usage |
|---|---|
| 1 | High-beam left |
| 2 | High-beam right |
| 3 | Headlamp left |
| 4 | Headlamp right |
| 6–7 | – |
| 8 | Fog lamp |
| 9–10 | – |
| 11 | Police upfitter |
| 12 | – |
| 13 | Washer front |
| 14 | Washer rear |
| 15–16 | – |
| 17 | IECL 1 |
| 19 | DC/AC inverter |
| 20 | IECR 2 (LD) / EBCM2 (HD) |
| 21 | – |
| 22 | IECL 2 |
| 24 | EBCM 1 |
| 25–26 | – |
| 27 | Horn |
| 28–31 | – |
| 32 | Rear window defogger |
| 33 | Heated mirror |
| 34 | Parking lamp left |
| 37–39 | – |
| 40 | Misc ignition |
| 41 | Trailer parking lamp |
| 42 | Park lamp right |
| 44–45 | – |
| 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 / SBZA |
| 58 | Starter motor (LD & HD Diesel) |
| 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/lower |
| 73 | Trailer stop/turn lamp left |
| 74 | Trailer Interface Module 1 |
| 75 | DEFC |
| 76 | Electric RNG BDS |
| 78 | Engine control module |
| 79 | Auxiliary battery |
| 80 | Cabin cooling pump |
| 81 | Trailer stop/turn lamp right |
| 82 | Trailer Interface Module 2 |
| 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 | Cooling fan clutch / Aeroshutter |
| Relay No. | Usage |
|---|---|
| 5 | Headlamp |
| 18 | DC/AC inverter |
| 23 | Rear window defogger |
| 35 | Parking lamp |
| 36 | Run/Crank |
| 43 | – |
| 59 | A/C clutch |
| 64 | Starter Motor (LD & HD Diesel) |
| 70 | Starter Pinion (LD) / Starter Motor (HD Gas) |
| 77 | Powertrain |