Chevrolet Colorado 2004 — technical service bulletin
Bulletin PIP3112A · NHTSA communication 10149048 · issued Oct 26, 2018
Technical service bulletin
communication type
Engine
component
2004
model years
2
vehicle entries
Official summary
This Prelimary Information communicates to the dealer a condition where the engine idle RPM is too low causing an idle vibration concern. Dealers are instructed to reprogram the Powertrain Control Module with the latest software availble.
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.