01 / OFFICIAL CAMPAIGNS
2021 Peterbilt 537 recall campaigns
NHTSA 24V190000
- Component
- POWER TRAIN
- Report received
- March 20, 2024
- Potential units
- 70,509campaign-wide
Defect and consequence
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2021-2024 Peterbilt 365, 367, 389, 535, 536, 537, 548, 567, 579, and 2021-2025 Kenworth T180, T280, T380, T480, T680, T880 and W990 trucks. The right-hand gear shifter stalk connectors may have been improperly crimped, resulting in a loss of communication.
Why it matters: A loss of communication between the gear shifter and the transmission may result in the vehicle becoming disabled after coming to a stop, increasing the risk of a crash.
Remedy
Dealers will inspect and replace the gear shifter assembly as necessary, free of charge. Owner letters were mailed December 15, 2025, then phased after that. Owners may contact Kenworth customer service at 1-425-828-5888 or Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall are 24PBE and 24KWE.
Owner notification: December 15, 2025 · Filing manufacturer: PACCAR Incorporated
NHTSA 23V087000
- Component
- SERVICE BRAKES, AIR
- Report received
- February 15, 2023
- Potential units
- 8,008campaign-wide
Defect and consequence
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2021-2024 Kenworth T280, T380, T480, Peterbilt 536, 537, and 548 vehicles. When the brake pedal is fully applied and then released rapidly, the pedal plunger that connects the brake pedal to the brake valve may become disconnected, causing the service brakes to fail.
Why it matters: Service brake failure can increase the risk of a crash.
Remedy
Dealers will add a pedal restraint bracket, free of charge. Owner notification letters were mailed April 7, 2023. Owners may contact Kenworth's customer service at 1-425-828-588 and Peterbilt's customer service at 1-940-591-4220. PACCAR's numbers for this recall are 23KWB and 23PBB.
Owner notification: April 6, 2023 · Filing manufacturer: PACCAR Incorporated
NHTSA 21V601000
- Component
- FUEL SYSTEM, DIESEL
- Report received
- August 3, 2021
- Potential units
- 688campaign-wide
Defect and consequence
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2021-2022 Peterbilt 536, 537, 548 and Kenworth T270, T280, T370, T380, T440, T470, and T480 vehicles equipped with Cummins L9 diesel engines. A fuel leak may occur from the fuel hose between the fuel pump and the remote fuel filter head.
Why it matters: A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy
Cummins will replace the fuel hoses, free of charge. Owner notification letters are expected to be mailed in October 2021. Owners may contact PACCAR's customer service at 1-425-828-5888 (Kenworth) and 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 21PBG and 21KWF.
Owner notification: July 30, 2021 · Filing manufacturer: PACCAR Incorporated
02 / COMPONENT BREADTH