Chevrolet Silverado 2017–2018 — technical service bulletin
Bulletin PIP5430C · NHTSA communication 10137512 · issued Apr 20, 2018
Technical service bulletin
communication type
Fuel System, Diesel
component
2017–2018
model years
4
vehicle entries
Official summary
This Preliminary Information communication advises the technician that the 6.6L Diesel engine Regular Production Option Code (L5P) E41Engine Control Module part number 12683624 restriction has ended.
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.