2020 GMC Canyon Electrical system Problems
- Complaints
- 3about this part
- Share
- 21%of 14 total for the year
- Median mileage
- 23,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the electrical system of the 2020 GMC Canyon, 21% of the 14 complaints for this model year. Where a mileage was given, the median is 23,000 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.
“The wiring in most vehicles 2020 and newer are soy/ nut based product… which squirrels, rodents and other animals can’t resist and the wiring throughout the vehicle is being chewed this all makes all models all manufacturers… there is also problems with the 8 speed transmission that shutters and hard gear changing and the quick fix is to flush out and refill it with transmission fluid”
NHTSA complaint #11559477, filed 2023-12“The contact owns a 2020 GMC Canyon. The contact stated upon depressing the brake pedal and turning the key in the ignition switch to turn off the vehicle, the key failed to turn to the OFF position and remained stuck. There was no warning light illuminated. The contact stated that upon turning the key back to the ON position and moving the gear shifter several times, the contact was able to turn off the vehicle successfully. The contact stated that the failure had been recurring, and on several occasions, the key could not be released and was left in the ignition switch. …”
NHTSA complaint #11639350, filed 2025-01, 23,000 miles“Infotainment center Reboots if phone is plug in. Radio station becomes very loud and driver is unable to control volume. Driver is now distracted from driving and trying to repair problem. Bad situation when in traffic.”
NHTSA complaint #11488917, filed 2022-10Related service bulletins
- 11019017Apr 10, 2025This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
- 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…
- 11016948Mar 14, 2025This service bulletin provides repair information to correct a customer concern of Vehicle Will Lock and Unlock (Active Functions Work) but Will Not Crank or Start (Loss of…
- 11017035Mar 13, 2025This service bulletin provides repair information to correct a customer concern of Vehicle Will Not Lock and Unlock (Loss of Active Functions) Crank or Start (Loss of Passive…
- 11016946Mar 13, 2025This service bulletin provides repair information to correct a customer concern of No Crank, No Start, Quick Start/Stall, No FOB Detected, Key FOBs Inoperative, B3924 00, B3925…
- 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.
- 11014239Jan 29, 2025This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during…
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 2020 GMC Canyon
6 complaintsEngine
3 complaintsAir bags
1 complaintsBrakes
1 complaintsElectronic stability control
1 complaintsEngine cooling
1 complaintsExterior lighting
1 complaintsForward collision avoidance
1 complaintsSteering
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2020 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