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June 14, 2013 Service bulletin

Power train: automatic transmission

Chevrolet technical service bulletin PIP5113A for 2012 Chevrolet Silverado 2500, 2012 GMC Sierra 2500 and 2012 GMC Sierra Denali.

Bulletin number
PIP5113A
Component
Power train: automatic transmission
Summary
This Preliminary Information communication provides information to the technician about vehicles that during the first few launches after a key cycle, they experience a delayed 1-2 upshift. Technician can update the Transmission Control Module with the latest calibration is available through TIS2Web.

Owners of these vehicles have filed 9 complaints in the transmission category.

Vehicles covered

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