The Chevrolet TrailBlazer subcompact crossover is available from 2020 to present. In this article you will find the Chevrolet TrailBlazer 2020, 2021 and 2022 fuse box diagrams, information on the location of the fuse boxes in the vehicle and the assignment of each fuse (fuse layout) and relay.
Fuse Box Location
Passenger Compartment
The fuse box is located behind the storage compartment to the left and below the steering wheel.
Engine Compartment
It is located next to the battery.
Luggage Compartment
The rear compartment fuse block is behind a cover on the driver’s side of the luggage compartment.
Fuse Box Diagrams
Passenger Compartment Fuse Box
Assignment of the fuses in the instrument panel
| № | Fuse Name |
|---|---|
| F01 | LUMBAR |
| F02 | SUNROOF |
| F03 | VBAT 3 |
| F04 | VBAT 7 |
| F05 | VBAT 6 |
| F06 | AUTO HVAC |
| F07 | CGM |
| F08 | ST WHL HTR |
| F09 | DISPLAY |
| F10 | RADIO |
| F11 | ONSTAR |
| F12 | PARK ASSIST |
| F13 | MAN. HVAC |
| F14 | WL CHARGER |
| F15 | VBAT 2 |
| F16 | VBAT 1 |
| F17 | SWC BKLT |
| F18 | – |
| F19 | – |
| F20 | CLOCK SPRING |
| F21 | OCC SEN |
| F22 | DLC |
| F23 | SDM |
| F24 | IGN SW/ESCL |
| F25 | PWR L-GATE MDL |
| F26 | SEC FUSE-2 |
| F27 | PWR SEAT CO-DR |
| F28 | VBAT 8 |
| F29 | DC-DC |
| F30 | PWR L-GATE MDL |
| F31 | OSRVM |
| F32 | FRT HS PWR-1 |
| F33 | VBAT 4 |
| F34 | FRT HS PWR-2 |
| F35 | AMPLIFIER |
| F36 | SEC FUSE-1 |
| F37 | PWR SEAT DR |
| F38 | DC-DC 400W / DC-DC 200W |
| F39 | 2022: SEC FUSE-1 |
| F40 | HVAC BLOWER |
| F41/CB1 | – |
| CB2 | APO (Circuit Breaker) |
| Relays | |
| K01 | i-RAP ACC |
| K02 | RUN |
| K03 | LOGISTICS |
| K04 | – |
| K05 | – |
| K06 | – |
Engine Compartment Fuse Box
Assignment of the fuses in the engine compartment
| № | Fuse Name |
|---|---|
| F01 | – |
| F02 | CLSTR |
| F03 | – |
| F04 | FRT WPR |
| F05 | – |
| F06 | OSRVM DEFOG |
| F07 | L/GATE RELSE |
| F08 | AHL AFL MTR1 |
| F09 | VENT SEAT |
| F10 | – |
| F11 | AHL AFL MTR2 |
| F12 | – |
| F13 | REAR WNDW DEFOG |
| F14 | ISRVM REAR VIEW CAMERA |
| F15 | DEFC MDL RUN/CRNK |
| F16 | HDLP LVL |
| F17 | – |
| F18 | FTZM |
| F19 | – |
| F20 | – |
| F21 | E-BOOST PWR1 |
| F22 | TRLR ST/TRN LT – TRLR |
| F23 | STRTR PINION |
| F24 | ESCL |
| F25 | ECM TCM RUN/CRNK |
| F26 | FRT/REAR WSW PUMP |
| F27 | IGN COIL – Gasoline; ECM PT3 – Diesel |
| F28 | AERO SH |
| F29 | AHL AFL MDL |
| F30 | STRTR SOL |
| F31 | ECM PT2 |
| F32 | ENG COMP2 |
| F33 | RVC |
| F34 | FRT FOG LP |
| F35 | ENG COMP1 |
| F36 | ECM PT1 |
| F37 | AUX OIL PUMP |
| F38 | TRLR PRK LAMP – TRLR |
| F39 | – |
| F40 | AUX WATER PUMP |
| F41 | REAR WPR |
| F42 | HORN |
| F43 | PWR WNDW RT |
| F44 | REAR WPR PRK |
| F45 | A/C CLTCH |
| F46 | – |
| F47 | ECM BATT |
| F48 | CLOW PLUG |
| F49 | HDLP HI LH |
| F50 | – |
| F51 | HDLP HI RH |
| F52 | NOX SOOT SNSR – Diesel; TRLR ST/TRN RT – TRLR |
| F53 | – |
| F54 | PEPS |
| F55 | PWR WNDW LT |
| F56 | CNSTR VENT SOL – Gasoline; DEFC MDL – Diesel |
| F57 | DEFC MDL |
| F58 | TCM BATT |
| F59 | – |
| F60 | DEF HTR |
| F61 | – |
| F62 | FUEL HTR – Diesel |
| F63 | – |
| SF01-SF06 | Spare Fuses |
| Relays | |
| K01 | – |
| K02 | – |
| K03 | RUN/CRNK |
| K04 | REAR DEFOG |
| K05 | STRTR SOL |
| K06 | STRTR PINION |
| K07 | A/C CNTRL |
| K08 | PT RLY |
| K09 | FUEL HTR DSL |
| K10 | – |
| K11 | – |
Luggage Compartment Fuse Box
Assignment of the fuses in the trunk
| № | Fuse Name |
|---|---|
| F01 | – |
| F02 | RDCM ELEC |
| F03 | – |
| F04 | – |
| F05 | DC/AC INVERTER |
| F06 | – |
| F07 | RDCM |
| F08 | RR SEAT HEAT PWR1 |
| F09 | – |
| F10 | RR SEAT HEAT PWR2 |
| F11 | – |
| F12 | – |
| F13 | – |
| F14 | – |
| F15 | – |
| F16 | – |
| F17 | – |
| F18 | – |
| F19 | – |
| F20 | – |
| F21 | – |
| CB1 | – |
| Relays | |
| K01 | – |
| K02 | – |
| K03 | – |
| K04 | – |
| K05 | – |
