2018 Gmc Canyon problems, complaints & recalls
Most-reported problem areas: Power Train (22) · Electrical System (5) · Steering (4)
🧭 Reliability snapshot
Compared against other Gmc Canyon model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
20 NHTSA complaints that reported an odometer reading.
Safety recalls (1)
Fuel System, Gasoline:delivery:fuel Pump 2018-05-31 · campaign 18V358000 · 895 vehicles
Defect: General Motors LLC (GM) is recalling certain 2015-2018 GMC Canyon, 2016-2017 Buick Envision, 2016-2018 Chevrolet Colorado and Malibu, 2017-2018 GMC Acadia, 2018 Buick LaCrosse, Cadillac ATS, Chevrolet Equinox, and GMC Terrain vehicles. The high pressure fuel pump may detach from its mounting flange, possibly resulting in the pump damaging the high pressure fuel line.
Risk: A damaged fuel line can create a fuel leak, increasing the risk of a fire.
Fix: GM will notify owners, and dealers will replace the high pressure fuel pump, and high pressure fuel pipe, free of charge. The recall began July 2, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 18188.
Service bulletins (1,247)
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 2026-09-26 · 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.
Unknown Or Other 2026-05-14 · PIT5509M · Service Bulletin/Repair Instructions
this pi provides diagnostic tips for diagnosing electric trailer brakes issues.
Showing the 6 most recent of 1,247 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-19 · Service Brakes“driving down road and heard load screeching noise then when preparing to stop the brake felt like pushing on a brick wall and almost got hit after pulling into highway. the vacuum booster pump was found to have been sheared off engine. …”
2026-07-30 · Steering“on many occasions, over several years of ownership, ''new in 2018, the trans has had violent shift problems. i could only find 1, one instance where a person was "injured'' by any of the gm 8l transmissions. my neck is hurting now. i'm compelled to do this for others who been scammed by gm as they still sell a 8 speed rewrapped. i can't believe thi…”
2026-06-26 · Unknown Or Other“the truck have a bad shudder that can shake you off the road. they know about the issue because its been an issue with there vehicles. i have a 2020 colorado also with this dangerous issue.…”
2026-05-13 · Air Bags · 💥 crash“crash on 5/5 rear ended car - airbags did not deploy . received concussion and neck injury.…”
2026-03-25 · Vehicle Speed Control“the warning light is saying engine power reduced having to do with the def system…”
2026-02-21 · Power Train“this is a known problem with gmc and chevy trucks, known as the rumble. at approximately 45mph and up, the truck feels like it’s going over rumble strip and the back end is slipping. this causes the steering wheel and truck to shake. it could result in the loss of control if it gets too bad. i took it in for diagnostic testing, which confirmed th…”
2026-02-02 · Power Train · 40,000 mi“the contact owns a 2018 gmc canyon. the contact stated that while driving in the snow, the 4wd function became inoperable, and the vehicle lost traction and started skidding. the "service 4wd" message was displayed. the vehicle was taken to a dealer where it was determined that a chip inside of the casing of the 4wd feature was inoperable. the vehi…”
2025-11-12 · Power Train · 34,929 mi“the contact owns a 2018 gmc canyon. the contact stated that while driving at an undisclosed speed, there was an abnormal knocking sound coming from the engine compartment. no warning lights were illuminated. the vehicle was taken to the dealer, who diagnosed a failure with the transmission. the contact was informed that the transmission needed to b…”
2025-01-20 · Power Train“the transmission is sluggish and jerky resulting in unpredictable and inconsistent speed control. the vehicle is available for inspection, if requested. the inconsistent speed control is a potential hazard during acceleration and deceleration. the issue is known to the manufacturer. no warning lamps or messages have been observed. the symptoms b…”
2024-12-14 · Engine“my 2018 gmc canyon just underwent repairs due to a crack in the head gasket. a serious issue which resulted in having to take said gmc canyon to a mechanic before further damage to the engine could be suffered. my truck only had a measly 76,000 miles. definitely, something gmc should take a look into. i however was fortunate enough to notice abnorm…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.