Bulletins
| Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
|---|---|---|---|---|---|
| ENGINE AND ENGINE COOLING - ENGINE | |||||
| PIP-4860 | 12/01/2010 | 10037627 | Ready | 05/31/2011 | |
| PIP-4860 | 12/01/2010 | 10037627 | Gm: some 2011 sierra and silverados are not e85 compatible. *rm | 05/31/2011 | |
| PIT-5028 | 09/01/2010 | 10036324 | Pontiac/saturn/buick/gmc/chevrolet/cadillac/hummer: vehicle start and stalls after theft deterrent module replacement. model years 2006-2011. does not apply to vehicles with keyless access system. *pe | 03/14/2011 | |
| PIP-4819 | 08/01/2010 | 10036344 | Cadillac/chevrolet/gmc: ses light due to p0300-p0308 and engine misfires; inspect plug wire. this may be the result of a loose spark plug wire of the cylinder with current and/or history misfires. *pe | 03/14/2011 | |
| ENGINE AND ENGINE COOLING - ENGINE - DIESEL | |||||
| PIP-4860 | 12/01/2010 | 10037627 | Ready | 05/31/2011 | |
| PIP-4860 | 12/01/2010 | 10037627 | Gm: some 2011 sierra and silverados are not e85 compatible. *rm | 05/31/2011 | |
Consumer Complaints
| Fail date | miles | occurences | Purchase date |
|---|---|---|---|
| ENGINE AND ENGINE COOLING | |||
| 12/19/2010 | 800 | ||
| Tl-the contact owns a 2011 gmc sierra 1500. the contact was driving up an incline approximately 5 mph, plowing snow in a driveway. when the contact shifted the gear into reverse the vehicle began to roll forward and the engine stalled with a sudden loss of the brakes, power steering and electrical system. the vehicle came to a stop after applying the brakes repeatedly. also, the similar failure would occur while on an incline in the drive position. the vehicle was taken to a dealer where the technician had performed a road test and informed that the vehicle operated as designed. the failure mileage was approximately 800 . js | |||