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Service bulletins for the 2012 GMC Terrain

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1841 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Exhaust and emissions are shown. Show all

Bulletins, newest first
PIP4964C2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Code P2097 or P2099. Technician will need to perform an injector balance or Active Fuel Injector Tester prior to going further. Technician will also need to check for a small leak in the exhaust if published Service Information diagnostics does not lead to a resolution.
PIP51802017-08-15. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have hard start, extended crank, or black smoke from the exhaust when starting. Technician will need to perform fuel quality test, spark test, and a compression test. Technician should also install a vacuum gauge prior to cold start and watch needle for signs of a sticking valve.
148822015-07-20. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). THIS TSB CONTAINS AN OWNER NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. GENERAL MOTORS 2010-2013 BUICK LACROSSE, REGAL, VERANO, CHEVROLET CAPTIVA, EQUINOX, MALIBU, ORLANDO , GMC TERRAIN EQUIPPED WITH ECOTEC ENGINE. PLUGGED PCV ORIFICE IN INTAKE MANIFOLD. *LJ
PIP-50962014-12-12. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. CADILLAC/BUICK/CHEVROLET/GMC: DUE TO CAM ACTUATOR CODES SET - DTC P0011, DTC P0014, DTC 20024, DTC P0021 AND NO OTHER DRIVABILITY ISSUES, THE ENGINE EUN STICKER SHOULD BE INSPECTED, BEFORE REPLACING ACTUATOR. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.