Friday, August 7, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

2012 GMC Terrain check engine light reports

35 NHTSA complaints describe persistent or recurring check-engine warnings on the 2012 GMC Terrain — roughly 10% of all complaints for this model year.

35
Check engine light reports
10%
share of complaints
77,797 mi
median mileage in check engine light reports (25 with odometer)

Symptom counts come from keyword analysis of complaint narratives. One complaint can describe several symptoms, and classification is approximate — read the underlying reports on the full 2012 GMC Terrain report before drawing conclusions.