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June 3, 2014 Service bulletin

Power train: automatic transmission: control module (TCM/PCM/tecm)

Chevrolet technical service bulletin PIP4653E for 2009-2014 Chevrolet Malibu, 2008-2015 Chevrolet Silverado 1500 and 2012-2014 Chevrolet Impala and others.

Bulletin number
PIP4653E
Component
Power train: automatic transmission: control module (TCM/PCM/tecm)
Summary
This Preliminary Information communication provides information to the technician about vehicle that have a Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0601, P0603, P0604, P062F or P1621 stored in the Transmission Control Module. Technician will need to ensure that the Diagnostic Trouble Codes are set in the Transmission Control Module. If the Diagnostic Trouble Codes are only set in the Transmission Control Module reprogram the Transmission Control Module.

Owners of these vehicles have filed 6,173 complaints in the transmission category.

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