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October 16, 2013 Service bulletin

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

Chevrolet technical service bulletin PIP4560R for 2012-2013 Chevrolet Silverado, 2014 Chevrolet Silverado 2500 and 2012-2013 GMC Sierra and others.

Bulletin number
PIP4560R
Component
Power train: automatic transmission: control module (TCM/PCM/tecm)
Summary
This Preliminary Information communication advises the technician that the Allison Transmission Control Module Part Number 24256861 has been removed from the General Motors Product Quality Center parts restriction.

Owners of these vehicles have filed 37 complaints in the transmission category.

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