RECALL: 450,000 Kenworth and Peterbilts Recalled Due to Faulty ABS Failure Notifications

Bellevue, WA – Paccar is recalling more than 450,000 Kenworth and Peterbilt trucks over twelve model years due to a software issue impacting failure notifications for the anti-lock brake system (ABS).

According to National Highway Traffic Safety Administration documents, a total of 455,458 trucks manufactured between 2008 and 2020 are being recalled.

The trucks being recalled are each equipped with NAMUX software which controls certain warning notifications.




 

In this case, Paccar says when the ABS loses battery and/or ignition power to the controller, the dash warning light for the ABS may not light up to warn the driver of the loss of ABS.

The Kenworths affected are:

  • 2008-2020 Kenworth T170
  • 2008-2020 Kenworth T270
  • 2008-2020 Kenworth T370
  • 2008-2019 Kenworth T660
  • 2011-2020 Kenworth T680
  • 2008-2020 Kenworth T800
  • 2011-2020 Kenworth T880
  • 2008-2020 Kenworth W900




 

The Peterbilts affected are:

  • 2008-2019 Peterbilt 330
  • 2008-2011 Peterbilt 335
  • 2008-2019 Peterbilt 337
  • 2008-2011 Peterbilt 340
  • 2008-2019 Peterbilt 348
  • 2008-2019 Peterbilt 365
  • 2008-2019 Peterbilt 367
  • 2008-2019 Peterbilt 384
  • 2008-2019 Peterbilt 386
  • 2008-2016 Peterbilt 387
  • 2008-2019 Peterbilt 389
  • 2008-2019 Peterbilt 567
  • 2008-2019 Peterbilt 579
  • 2008-2019 Peterbilt 587

Paccar says it will notify owners of affected trucks, and dealers will update the NAMUX software within the cab control module for free.




 

Owners can contact Kenworth customer service at (425) 828-5888 with recall number 20KWB or Peterbilt customer service at (940) 591-4220 with recall number 20PBC.

NHTSA’s recall number is 20V-199.

 


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