Chevrolet Colorado 2016–2021 — technical service bulletin
Bulletin PIP5416D · NHTSA communication 10208016 · issued Jan 11, 2022
Technical service bulletin
communication type
Electrical System
component
2016–2021
model years
12
vehicle entries
Official summary
This Preliminary Information communicates to the technician the potential areas of concern in which the engine wiring harness may chafe. It describes in detail what to look for. If you encounter any of these specific described chafes, inspect, repair (as necessary) and route the wiring harness away from these possible chafe points.
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.