2019 GMC Terrain Technical Service Bulletins

1,005 technical service bulletins (TSBs) are on record for the 2019 GMC Terrain. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10144449Aug 8, 2018Engine cooling. This Preliminary Information communication provides information to the technician that some vehicle may have an “Exhaust Fluid Quality Poor” on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exhaust fluid quality related concerns. Technician will inspect the diesel exhaust fluid for contamination.
• 10145168Aug 2, 2018Steering. 18245 - Service Update - A 250-millisecond power steering instability occurs as soon as APA (Advanced Park Assist) begins turning the steering wheel into a parking spot. If steering wheel shudder occurs, APA aborts the procedure. Reprogramming of PSCM (Power Steering Control Module).
• 10143785Jul 30, 2018Fuel system. This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Technician may find Diagnostic Trouble Codes P0087, P0088, P0191 and P128E during the inspection. If during the inspection of the fuel system contamination is found the complete fuel system will need to be cleaned and flushed. After the fuel…
• 10143779Jul 25, 2018Engine cooling. This Preliminary Information communication provides the technician with the diagnosis and repair steps for a vehicle with a check engine light on with Diagnostic Trouble Code P015B or a reduced engine power message with Diagnostic Trouble Code P1101. Technician should look for a missing or damaged O-ring seal in the charge air cooler coupler.
• 10141354May 15, 2018Equipment, Engine cooling. This Preliminary information communicates the possibility of the timing chain tesnioner gasket being improperly installed or mis-positioned after major engine repairs causing a low engine oil pressure and dtc p06DE.

← All problems reported for the 2019 GMC Terrain