OFFICIAL CAMPAIGN FILE
NHTSA campaign 20V199000
NHTSA campaign 20V199000 covers 203 published year-and-model reports from 2 makes in this index and lists 460,515 potentially affected units campaign-wide. VIN eligibility must be checked separately.
Report received April 6, 2020 · Snapshot September 21, 2026
01 / DEFECT RECORD
What NHTSA campaign 20V199000 says
Defect summary
PACCAR Incorporated (PACCAR) is recalling certain 2008-2019 Peterbilt 330, 335, 337, 340, 348, 365, 367, 384, 386, 387, 388, 389, 567, 579 and 587 vehicles and 2008-2020 Kenworth T170, T270, T370, T660, T680, T800, T880, and W900 vehicles 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.".
Consequence summary
If the driver unknowingly operates the vehicle without the ABS functioning, there would be an increased risk of a crash.
02 / CORRECTIVE ACTION
Remedy for NHTSA campaign 20V199000
PACCAR will notify owners, and dealers will update the NAMUX software within the cab control module, free of charge. PACCAR issued owners an interim notification on June 4, 2020. The recall began May 26, 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.
- Owner notification
- May 26, 2020
- Filing manufacturer
- PACCAR Incorporated
- Component groups
- ELECTRONIC STABILITY CONTROL (ESC), SERVICE BRAKES, AIR
03 / PUBLISHED VEHICLES