There are 1 owner-reported powertrain & transmission complaints for the 2012 GMC Canyonin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
WHILE DRIVING, THE SECURITY LIGHT CAME ON. ENGINE POWER WAS REDUCED OR COMPLETELY ELIMINATED. HEADLIGHTS WENT OUT EVERY THING RESET IN ABOUT THIRTY SECONDS. POWER LOSS COULD BE DEADLY IF ENTERING A HIGHWAY FROM A SIDE STREET IF THERE IS ONCOMING TRAFFIC. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026