Paccar is recalling approximately 455,458 model-year 2008-2019 Peterbilt and 2008-2020 Kenworth Trucks equipped with NAMUX software.
In the event that the Anti-lock Brake System (ABS) loses battery and/or ignition power to the controller, the dash warning light for the ABS may not illuminate to warn the driver of the loss of ABS. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems," and 136, "Electronic Stability Control System on Heavy Vehicles."
Affected vehicles include:
- 2008-2019 Peterbilt 330, 335, 337, 340, 348, 365, 367, 384, 386, 387, 388, 389, 567, 579, and 587 vehicles.
- 2008-2020 Kenworth T170, T270, T370, T660, T680, T800, T880, and W900 vehicles.
PACCAR will notify owners, and dealers will update the NAMUX software within the cab control module, free of charge.
The recall is expected to begin June 15, 2020.
Owners may contact Kenworth customer service at 1-425-828-5888 or Peterbilt customer service at 1-940-591-4220. PACCAR's number for this recall is 20pbc AND 20KWB.