Western Star 47X, 49X: Electrical system — 12v/24v/48v battery

Affects Western Star 47X, 49X · 2020–2026 — about 22K vehicles.

The hazard

A short circuit increases the risk of a fire.

What to do

DTNA will inspect and replace damaged cables and loose hardware. In addition, DTNA will properly tighten hardware and install dielectric tape. All repairs will be performed, as necessary, free of charge. Owner notification letters were mailed July 1, 2025. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1020. This recall is replaced by NHTSA recall number 26V079. Vehicles already repaired under this recall will need to have the new remedy completed.

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