GMC Terrain: Electrical System / Engine Compartment Fuse Block

GMC Terrain. Engine Compartment Fuse Block

To remove the fuse block cover, squeeze the clips on the cover and lift it straight up. See Engine Compartment Overview.


Spilling liquid on any electrical component on the vehicle may damage it. Always keep the covers on any electrical component.

GMC Terrain. Engine Compartment Fuse Block

The vehicle may not be equipped with all of the fuses, relays, and features shown.

Fuses        Usage F01      Starter 1

F02      Starter 2

F03      Lambda sensor 1

F04      Engine control module

F05      FlexFuel sensor

F06      Transmission control module

F07      –

F08      Engine control module

F09      Air conditioning clutch

F10      Canister vent solenoid

F11      Fuel system

F12      Front heated seats

F13      Afterboil pump

F14      –

F15      Lambda sensor 2

F16      Ignition coils

F17      Engine control module

F18      Selective catalytic reduction module (diesel only)

F19      NOx soot sensor (diesel only)

F20      DC DC converter 2

F21      Shift control

F22      Antilock brake pump

F23      Front/Rear washer pump

F24      –

F25     Diesel fuel heater (diesel only)

F26      –

F27      Antilock brake valves

F28      LD trailer

F29      Rear window defogger

F30      Mirror defroster

F31      –

F32      Variable functions

F33      –

F34      Horn

F35      –

F36      Right high-beam headlamp

F37      Left high-beam headlamp

F38      Automatic headlamp leveling

F39      Fog lamps

F40      –

F41      Transmission range control module

F42      Motorized headlamp

F43      –

F44      Interior rearview mirror

F45      Passenger side ventilated seat

F46      Driver side ventilated seat

F47      Steering column lock assembly

F48       Rear wiper

F49      –

F50      Heated steering wheel

F51      Right daytime running lamp

F52      Engine control module/Transmission control

F53      –

F54      –

F55      Front wiper speed/Control

F56      –

F57      Left daytime running lamp

Relays     Usage

K01      Starter solenoid

K02      Air conditioning control

K03      Engine control module

K04      Front wiper control

K05      Starter pinion

K06      Fuel heater (diesel only)

K07      –

K08      –

K09      Front wiper speed

K10      –

K11      –

K12      High-beam headlamps

K13      Headlamps/Daytime running lamps

K14      Run/Crank

K15      Rear window defogger

*K16     Horn

*K17     Selective catalytic reduction

*K18     Fog lamps

*K19     Coolant pump

*K20     –

*K21     Rear washer pump

*K22     Front washer pump

*K23    Rear wiper control

* PCB relays are not serviceable.

    Fuses and Circuit Breakers

    The wiring circuits in the vehicle are protected from short circuits by a combination of fuses and circuit breakers. This greatly reduces the chance of damage caused by electrical problems...

    Instrument Panel Fuse Block

    The instrument panel fuse block is under the instrument panel on the driver side. To access the fuses, press and release the latch near the top center square...

    Other information:

    GMC Terrain 2018-2024 Owners Manual: Lane Keep Assist (LKA) and Lane Change Alert (LCA)

    Lane Keep Assist If equipped, LKA may help avoid crashes due to unintentional lane departures. It may assist by gently turning the steering wheel if the vehicle approaches a detected lane marking without using a turn signal in that direction. It may also provide a Lane Departure Warning (LDW) alert as the lane marking is crossed...

    GMC Terrain 2018-2024 Owners Manual: Rear Window Wiper/Washer

    The ignition must be on or in the ACC/ACCESSORY position to operate the rear window wiper/ washer. Turn the end of the windshield wiper lever to operate the rear window wiper/washer. OFF : Turns the system off. INT : Intermittent wipes. ON : Slow wipes...


      Vehicle Messages

      Messages displayed on the DIC indicate the status of the vehicle or some action that may be needed to correct a condition. Multiple messages may appear one after another.

      The messages that do not require immediate action can be acknowledged and cleared by pressing V. The messages that require immediate action cannot be cleared until that action is performed.

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