Chevrolet Colorado 2012 — technical service bulletin
Bulletin PIP-5031 · NHTSA communication 10045063 · issued Jun 1, 2012
Technical service bulletin
communication type
Power Train
component
2012
model years
6
vehicle entries
Official summary
Gmc/chevrolet: some trucks, equipped with automatic transmission 4l60e, may experience slipping, missed or late shifts in 3rd and 4th gears due to possible 3-4 clutch distress. *pe
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.