Chevrolet Silverado 2013–2015 — technical service bulletin
Bulletin PIP5021C · NHTSA communication 10112011 · issued Jan 21, 2014
Technical service bulletin
communication type
Power Train
component
2013–2015
model years
8
vehicle entries
Official summary
This Preliminary Information communication advises the technician that the Allison 6 Speed Automatic Transmission Assembly (RPO MW7) have been placed on restriction through General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.