Western Star 49X, 47X: Electrical

Affects Western Star 49X, 47X · 2020–2026 — about 9K vehicles.

The hazard

Issue: On certain trucks, the stud on the frame that connects the battery and/or auxiliary power distribution to the starter may not have been installed properly. As a result, there could be a short circuit, and the wiring could overheat and melt. Safety Risk: A short circuit and/or wiring that overheats and melts can create the risk of a fire. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and advise you to take your truck to a DTNA authorized service facility to inspect and, if necessary, replace the cables and hardware.

What to do

Contact your dealer; the remedy details were not included in the filing.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational