Kenworth T370, T380 +9 more: Electrical system — software

Affects Kenworth T370, T380, T480, T800B, T280, T440, T880, W990, T680, C500B, W900B · 2021–2025 — about 221K vehicles.

The hazard

Safety systems that depend on the ECU (Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System) may not function properly or at all, increasing the risk of a crash.

What to do

Dealers will reprogram the ECU software, free of charge. Owner notification letters were mailed February 3, 2025. Owners may contact Kenworth's customer service at 1-425-828-5888 and Peterbilt's customer service at 1-940-591-4220. PACCAR's numbers for this recall are 24KWL and 24PBL.

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