Chevrolet Silverado 2014–2018 — technical service bulletin
Bulletin PIT5386C · NHTSA communication 10123259 · issued Oct 16, 2017
Technical service bulletin
communication type
Back Over Prevention
component
2014–2018
model years
10
vehicle entries
Official summary
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
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.