Chevrolet Silverado 2017 — technical service bulletin
Bulletin PIP5433A · NHTSA communication 10123267 · issued Oct 19, 2017
Technical service bulletin
communication type
Fuel System, Diesel
component
2017
model years
2
vehicle entries
Official summary
This Preliminary Information communication advises the technician that the 6.6L Diesel engine Regular Production Option Code (L5P) EGR Valve Part number 12677567 will be placed on a parts restriction through the 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.