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August 1, 2010 Service bulletin

Cadillac/chevrolet/gmc: rough transition to auto stop or no auto stop, malfunction indicator lamp (MIL)...

Chevrolet technical service bulletin PI-0209 for 2010 Chevrolet Tahoe, 2009-2010 Chevrolet Silverado and 2010 GMC Yukon and others.

Bulletin number
PI-0209
Component
Power train: automatic transmission
Summary
Cadillac/chevrolet/gmc: rough transition to auto stop or no auto stop, malfunction indicator lamp (mil) on, dtc p2797 set. Some vehicles may have experienced a cut or chaffing to the auxiliary transmission pump harness, which can cause the auto stop feature to operate incorrectly. Hybrid vehicles only.

Owners of these vehicles have filed 21 complaints in the transmission category.

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