Chevrolet Trax 2018–2020 — technical service bulletin
Bulletin 18NA114 · NHTSA communication 10183154 · issued Oct 28, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018–2020
model years
3
vehicle entries
Official summary
This technical bulletin provides a procedure on locating and repairing a possible short to ground at the G100 ground stud and engine wiring harness to correct Service AWD/Service Stability messages on DIC, MIL with DTCs.
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.