Chevrolet Silverado 2017–2018 — technical service bulletin
Bulletin PIP5562 · NHTSA communication 10137192 · issued Mar 20, 2018
Technical service bulletin
communication type
Engine
component
2017–2018
model years
4
vehicle entries
Official summary
This Preliminary information communicates to the dealer technicain a concern with the GPCM service parts(12687698 and 12671083) for 2017 – 2018 vehicles with the 6.6 L5P diesel.
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.