GMC TSB #PIP4699A
2010 GMC Terrain
Affected Component: ENGINE (PWS)
- Summary
- THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS ON HOW TO DIAGNOSE AND REPAIR VEHICLES WITH SERVICE ENGINE SOON OR DIAGNOSTIC TROUBLE CODE P0133 OR P1133. CHECK FOR THE POST AND PRE OXYGEN SENSOR CONNECTORS BEING SWAPPED. THE PRE SENSOR CONNECTED TO POST CONNECTOR AND POST SENSOR CONNECTED TO PRE CONNECTOR.