2018 GMC Canyon Electrical system Problems
- Complaints
- 10about this part
- Share
- 19%of 53 total for the year
- Median mileage
- 30,250miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 10 complaints about the electrical system of the 2018 GMC Canyon, 19% of the 53 complaints for this model year. Where a mileage was given, the median is 30,250 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“6 different occasions same issue. No sound when trying to start. 10 minutes later vehicle starts and cel is lit. Never auto shifts after ~30mph. Replaced torque converter and transmission body valve on 1st occurrence. Each time serviced (warranty), and at some point the problem will occur again. Total of 6 times since purchased new.”
NHTSA complaint #11413228, filed 2021-04, 28,000 miles“2 weeks ago I was driving on the highway doing 65 mile per hour and suddenly my truck started shaking and. Suddenly completely shut down lost power brakes stiffed and steering wheel as well. I safely pulled over to try to restart the vehicle and on my dash board light came on engine, TCM light and a light with a little car with hash marks called dealer the technician said it was a ecm. Problem and that am looking at a price of 7,000 dollars which is not in my budget reaching out to see if is maybe a manufacturing issue”
NHTSA complaint #11567597, filed 2024-01“I was traveling on a two lane highway, a semi in front of me and a truck behind me. A warning message popped up on my dash “Service Emissions System- 65 mi before 65mph max speed”. And within 5 seconds of that message popping up, the engine detuned itself. I pulled over as quick as I could, but I only made it partially out of the road before the engine shut down completely. I couldn’t start the vehicle again to get it the rest of the way out of the road. I was 40 miles from the nearest town on a Sunday. …”
NHTSA complaint #11548755, filed 2023-10“Key sticks in ignition on accessory and cannot be removed. Service Bulletin generated by GMC. Available for inspection. Safety: with key stuck in accessory position battery goes dead in 4-6 hours, potentially stranding occupants and depending on location possibly creating a traffic hazard. Three attempts by GMC Fremont CA to repair so far. They have confirmed the problem. No warning or message.”
NHTSA complaint #11492501, filed 2022-11“The contact owns a 2018 GMC Canyon. The contact stated while the vehicle was parked, the contact attempted to remove the key fob from the ignition, and the key fob was stuck. There was no warning light illuminated. The contact stated that the gear shifter was in park(P) but the contact was unable to remove the key fob. The contact restarted the vehicle and shifted into other gears several times to remove the key fob. The vehicle was taken to the dealer where it was diagnosed that the gear shifter assembly had failed and needed to be replaced. …”
NHTSA complaint #11622490, filed 2024-10, 32,500 milesRelated service bulletins
- 11017595Apr 3, 2025This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
- 11017244Mar 31, 2025The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other…
- 11017207Mar 21, 2025This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414…
- 11017031Mar 12, 2025This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
- 11014230Jan 31, 2025This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
- 11013149Jan 17, 2025This service bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option.
- 11013069Jan 9, 2025This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
- 11012929Jan 7, 2025This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
- 11011805Dec 6, 2024This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
- 11009170Oct 25, 2024This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 2 | 25% |
| 2024 | 26 | 13% |
| 2023 | 20 | 32% |
| 2022 | 14 | 50% |
| 2021 | 1 | 8% |
| 2020 | 3 | 21% |
| 2019 | 5 | 29% |
| 2018 | 10 | 19% |
| 2017 | 12 | 18% |
| 2016 | 38 | 14% |
| 2015 | 32 | 11% |
| 2012 | 9 | 39% |
| 2011 | 3 | 25% |
| 2010 | 2 | 25% |
| 2009 | 8 | 30% |
| 2008 | 15 | 39% |
| 2007 | 14 | 33% |
| 2006 | 17 | 35% |
| 2005 | 23 | 20% |
| 2004 | 13 | 16% |
Other parts of the 2018 GMC Canyon
27 complaintsEngine
6 complaintsFuel system
5 complaintsOther or unknown
5 complaintsSteering
4 complaintsBrakes
3 complaintsExterior lighting
3 complaintsAir bags
2 complaintsSeat belts
2 complaintsVehicle speed control
2 complaintsElectronic stability control
1 complaintsEngine cooling
1 complaints
← All problems reported for the 2018 GMC Canyon
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology