Chevrolet Silverado 2017–2019 — technical service bulletin
Bulletin 18NA144 · NHTSA communication 10158815 · issued Mar 28, 2019
Technical service bulletin
communication type
Electrical System
component
2017–2019
model years
8
vehicle entries
Official summary
This technical bulletin provides a procedure to locate possible chassis wiring damage from areas along the frame and repair them if found.
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.