2018 GMC Canyon Fuses and Fuse Box Diagram User Guide
The 2018 GMC Canyon fuse box diagram details fuse locations and functions, essential for maintaining electrical system health. Understanding fuse box placement helps drivers quickly identify and resolve electrical issues, ensuring safe and reliable vehicle operation on the road.
2023 – 2024 GMC CANYON Review, Price, Features and Mileage (Brochure)
Video: 2018 GMC Canyon Fuses
Electrical System
Electrical System Overload
The vehicle has fuses to protect against an electrical system overload. Fuses also protect power devices in the vehicle. Replace a bad fuse with a new one of the identical size and rating. If there is a problem on the road and a fuse needs to be replaced, there is a fuse puller in the Engine Compartment Fuse Block. Replace the fuse as soon as possible with one of the same amperage rating.
Headlamp Wiring
An electrical overload may cause the lamps to go on and off, or in some cases to remain off. Have the headlamp wiring checked right away if the lamps go on and off or remain off.
Windshield Wipers
If the wiper motor overheats due to heavy snow or ice, the windshield wipers will stop until the motor cools and will then restart. Although the circuit is protected from electrical overload, overload due to heavy snow or ice may cause wiper linkage damage. Always clear ice and heavy snow from the windshield before using the windshield wipers. If the overload is caused by an electrical problem and not snow or ice, be sure to get it fixed.
Fuses and Circuit Breakers
The wiring circuits in the vehicle are protected from short circuits by fuses. This greatly reduces the chance of fires caused by electrical problems.
Danger
Fuses and circuit breakers are marked with their ampere rating. Do not exceed the specified amperage rating when replacing fuses and circuit breakers. The use of an oversized fuse or circuit breaker can result in a vehicle fire. You and others could be seriously injured or killed.
To check a fuse, look at the silver-colored band inside the fuse. If the bad is broken or melted, replace the fuse. Be sure to replace a bad fuse with a new one of the identical size and rating. Fuses of the same amperage can be temporarily borrowed from another fuse location if a fuse goes out. Replace the fuse as soon as possible.
Engine Compartment Fuse Block
If the vehicle has a diesel engine, see the Duramax diesel supplement. The engine compartment fuse block is in the engine compartment, on the driver’s side of the vehicle.
Lift the cover to access the fuse block.
Caution
Spilling liquid on any electrical component on the vehicle may damage it. Always keep the covers on any electrical component.
A fuse puller is available inside this fuse block.
The vehicle may not be equipped with all of the fuses, relays, and features shown.
| Fuse/Relay | Usage |
|---|---|
| F1 | Traction control module power |
| F2 | Engine control module power |
| F3 | Air conditioning clutch |
| F4 | – |
| F5 | Engine control module/Integrated chassis control module/Fuel pump power module |
| F6 | Wipers |
| F7 | Cargo lamp/Bed lighting (if equipped) |
| F8 | Fuel injectors–even |
| F9 | Fuel injectors–odd |
| F10 | Engine control module 1 |
| F11 | Miscellaneous 1/Ignition |
| F12 | Starter |
| F13 | Traction control module |
| F14 | – |
| F15 | – |
| F16 | – |
| F17 | Front axle actuator |
| F18 | – |
| F19 | Aeroshutters |
| F20 | – |
| F21 | Front blower |
| F22 | Antilock brake system valves |
| F23 | – |
| F24 | Trailer |
| F25 | Transfer case electronic control |
| F26 | Antilock brake system pump |
| F27 | Trailer brake control module (if equipped)/Trailer wiring |
| F28 | Rear window defogger |
| F29 | – |
| F30 | Driver heated seat |
| F31 | – |
| F32 | Passenger heated seat |
| F33 | Body control module 3 |
| F34 | Fuel system control module |
| F35 | Integrated chassis control module (if equipped) |
| F36 | Center high-mounted stoplamp |
| F37 | Right high-beam headlamp |
| F38 | Left high-beam headlamp |
| F39 | – |
| F40 | – |
| F41 | – |
| F42 | – |
| F43 | Cooling fan |
| F44 | Vacuum pump |
| F45 | – |
| F46 | Engine control module 2 |
| F47 | Miscellaneous 2/Ignition |
| F48 | Fog lamps (if equipped) |
| F49 | – |
| F50 | Trailer parking lamps |
| F51 | Horn |
| F52 | – |
| F53 | – |
| F54 | – |
| F55 | – |
| F56 | Washer pump |
| F57 | – |
| F58 | – |
| F59 | – |
| F60 | Mirrors defogger |
| F61 | – |
| F62 | Canister vent solenoid |
| F63 | – |
| F64 | Trailer reverse lamp |
| F65 | Left trailer stoplamp/Turn signal lamps |
| F66 | Right trailer stoplamp/Turn signal lamps |
| F67 | Electric power steering |
| F68 | – |
| F69 | Battery regulated voltage control |
| F70 | – |
| F71 | – |
| F72 | – |
| F73 | – |
| F74 | Generator |
| F75 | – |
| K1 | Air conditioning clutch |
| K2 | Starter |
| K3 | – |
| K4 | Wipers speed |
| K5 | Wipers control |
| K6 | Cargo lamp/Bed lighting (if equipped) |
| K7 | Powertrain |
| K8 | – |
| K9 | – |
| K10 | – |
| K11 | Center high-mounted stoplamp |
| K12 | – |
| K13 | Vacuum pump |
| K14 | Trailer parking lamps |
| K15 | Run/Crank |
| K16 | – |
| K17 | Rear window defogger |
Instrument Panel Fuse Block
The instrument panel fuse block is behind the passenger side cowl side trim panel. Remove the plastic nut at the front of the cover, then pull the cover away from the trim panel to access the fuse block.
The vehicle may not be equipped with all of the fuses, relays, and features shown.
| Fuse/Relay | Usage |
|---|---|
| F1 | Body control module 1 |
| F2 | – |
| F3 | – |
| F4 | Steering wheel controls |
| F5 | Body control module 2 |
| F6 | – |
| F7 | – |
| F8 | Mirror window module |
| F9 | Instrument cluster |
| F10 | – |
| F11 | Body Control Module 8 |
| F12 | – |
| F13 | OnStar/HVAC |
| F14 | Radio/HMI |
| F15 | Body Control Module 6 |
| F16 | Communication gateway module |
| F17 | Body control module 4 |
| F18 | Airbag |
| F19 | – |
| F20 | Amplifier (if equipped) |
| F21 | – |
| F22 | – |
| F23 | Data link connector/USB |
| F24 | HVAC ignition |
| F25 | Body Control Module 7 |
| F26 | – |
| F27 | – |
| F28 | Instrument panel/Sensing and diagnostic module/Ignition |
| F29 | Miscellaneous/Ignition |
| F30 | – |
| F31 | Front Camera |
| F32 | Steering wheel controls backlighting |
| F33 | Heated steering wheel |
| F34 | Front ventilated seats |
| F35 | Park/Reverse/Neutral/Drive/Low/Wireless charging module |
| F36 | Discrete logic ignition sensor |
| F37 | – |
| F38 | – |
| F39 | Auxiliary power outlet 2 |
| F40 | Auxiliary power outlet |
| F41 | Auxiliary power outlet 1/Lighter |
| F42 | Left power window |
| F43 | Driver power seat |
| F44 | – |
| F45 | Right power window |
| F46 | Passenger power seat |
| K1 | Retained accessory power |
| K2 | Run/Crank |
How to Replace the Fuses of GMC Canyon
Replacing fuses in a GMC Canyon involves several steps. The process is straightforward, but it’s important to proceed with caution to avoid damaging the electrical system or injuring yourself.
Here’s a detailed guide:
Tools You’ll Need:
- Fuse puller or needle-nose pliers
- Replacement fuses (make sure they are the correct amperage)
Instructions:
- Turn Off the Vehicle: Ensure the ignition is off and the keys are removed. This step prevents any electrical issues or short circuits while replacing fuses.
- Locate the Fuse Box: The GMC Canyon has a few fuse boxes. One is located under the hood, usually on the driver’s side, and there’s often another inside the cabin, under the dashboard or near the driver’s side door.
- Open the Fuse Box: Remove the fuse box cover by pressing the tabs or unscrewing it, depending on the design. Some vehicles have a tool for removing fuses attached to the inside of the cover.
- Identify the Faulty Fuse: Inside of the fuse box cover or your vehicle’s layout to find the fuse that controls the malfunctioning component. A blown fuse is usually visible by a broken wire or a blackened interior.
- Remove the Faulty Fuse: Use a fuse puller or needle-nose pliers to carefully remove the blown fuse. Grasp the fuse firmly but gently and pull straight out to avoid breaking it and leaving parts in the socket.
- Insert the New Fuse: Obtain a new fuse of the same amperage (the number will be printed on the top of the fuse). Push it into the empty slot until it is fully seated. Ensure it matches the amperage of the removed fuse to avoid any electrical system damage.
- Test the Replacement: Turn on the ignition and check if the replaced fuse resolves the issue with the component. If the new fuse blows soon after replacement, this may indicate a more severe electrical problem that requires attention.
- Replace the Fuse Box Cover: Once you’ve confirmed that the replacement fuse is working correctly, secure the fuse box cover back into place.
Tips:
- Safety First: Always work in a well-lit area and ensure your hands are dry to avoid any risk of electric shock.
- Spare Fuses: Keep spare fuses of various amperages in your vehicle for emergencies.
- Check Regularly: Regularly inspect your vehicle’s fuses, especially if you’re experiencing electrical issues. This can help prevent being stranded due to a simple blown fuse.
- Correct Amperage: Using a fuse with a higher or lower amperage than recommended can cause significant damage to the vehicle’s electrical system or result in a fire hazard.
Note:
If multiple fuses are blowing or the same fuse blows repeatedly, it might indicate a more serious issue with your GMC Canyon’s electrical system.
Useful Links
View Full PDF: 2018 GMC Canyon Owner’s Manual | Auto User Guide
2023 – 2024 GMC CANYON Review, Price, Features and Mileage (Brochure)
Display Screen Guide: 2018 GMC Canyon Display Features