Chevrolet Duplicate Silverado 5500 2017–2019 — technical service bulletin
Bulletin PIE0462 · NHTSA communication 10137613 · issued Apr 25, 2018
Technical service bulletin
communication type
Electrical System
component
2017–2019
model years
8
vehicle entries
Official summary
This engineering informational bulletin is requesting information from the filed on vehicles that have the condition of Trailer Electrical Not Working as Intended and/or Trailer Message Displayed.
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.