2020 Gmc Canyon problems, complaints & recalls
Most-reported problem areas: Power Train (5) · Electrical System (2) · Vehicle Speed Control (1)
🧭 Reliability snapshot
Compared against other Gmc Canyon model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (862)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-10-26 · GM Update N25-250552 · Over The Air
• improvements to onstar functionality.
Unknown Or Other 2026-09-26 · PIT5698F · Service Bulletin/Repair Instructions
this pi provides diagnostics tips on how the lin bus works and how to diagnosis it.
Unknown Or Other 2026-09-21 · PIP5700H · Service Bulletin/Repair Instructions
this pi communicates the proper part numbers for transmission connectors and internal harness to prevent confusion when ordering
Unknown Or Other 2026-09-04 · PIP4902W · Service Bulletin/Repair Instructions
this preliminary information advises a dealer on how to email gds2 session logs into technical assistance.
Unknown Or Other 2026-07-21 · PIT5099J · Service Bulletin/Repair Instructions
pi to help diagnose a/c concern
Unknown Or Other 2026-07-21 · PIT5509N · Service Bulletin/Repair Instructions
this pi provides diagnostic tips for diagnosing electric trailer brakes issues.
Showing the 6 most recent of 862 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-08-13 · Power Train“truck feels like it is going over rumble strips when accelerating. there is a nthsa bulletin for this. 21-na-047…”
2026-01-15 · Power Train“the main issue is the transmission... it shudders. now i have to change the oil every 10k miles on it, or it will start shuddering again. it first started when the truck had 50k or a little more miles in it. the issue was resolved, i thought... then it did it again at 69k (just out of the warranty). i called the dealership and they stated i had t…”
2025-10-16 · Service Brakes, Hydraulic · 80,000 mi“the contact owns a 2020 gmc canyon. the contact stated that while her son was attempting to park the vehicle in a parking garage, there was a loud screeching sound coming from the vehicle while depressing the brake pedal. the contact's son used excessive force to depress the brake pedal, and an unknown warning light illuminated. due to the failure,…”
2025-01-29 · Electrical System · 23,000 mi“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 shi…”
2024-03-13 · Exterior Lighting:fog Lights“see attached document for complaint…”
2024-01-08 · Air Bags · 58,000 mi · 💥 crash“the contact owned a 2020 gmc canyon. the contact stated that while driving at 45 mph, he crashed into the vehicle in front. the contact stated that the vehicle was switching lanes abruptly, and did not have enough time to slow down or stop. no warning lights were illuminated on the vehicle. the air bags did not deploy. the vehicle was towed to a ya…”
2023-12-11 · Power Train“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 …”
2023-04-21 · Steering · 63,432 mi“the contact owns a 2020 gmc canyon. the contact stated while driving 40 mph, the vehicle hesitated, and the steering wheel became difficult to turn. the contact stated several unknown warning lights were illuminated. the contact parked on the side of the roadway. the vehicle was not drivable. the contact towed the vehicle to her residence and then …”
2022-10-12 · Electrical System“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.…”
2022-01-05 · Power Train“when rolling to stop signs or red lights, the vehicle occasionally fails to downshift properly and will attempt to continue pushing the vehicle when trying to stop. on multiple occasions, the vehicle acts as if it cannot be stopped due to the transmission failing to downshift. one must aggressively apply the brakes to get the vehicle to come to a s…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.