2024 Peterbilt 520 recalls (7)

Every 2024 Peterbilt 520 recall

Each campaign as NHTSA published it: what is wrong, what can happen, and the fix. Newest first.

• Steering · NHTSA 26V022000

  Jan 19, 2026Steering

  Problem

  PACCAR Incorporated (PACCAR) is recalling certain 2026 Kenworth L770 and 2024-2026 Peterbilt 520 vehicles. The right-hand stand-up (RHSU) configuration on the steering cross-shaft may become stressed and fail.

  Risk

  A steering cross-shaft that fails can cause a loss of steering control, increasing the risk of a crash.

  Fix

  Dealers will inspect and repair the steering cross-shafts and replace any damaged or broken cross-shafts, free of charge. Owner notification letters were mailed March 13, 2026. Owners may contact Peterbilt's customer service at 1-940-591-4220 and Kenworth's customer service at 1-425-828-5888. PACCAR's number for this recall is 26PACA.

  Full recall details for 26V022000 →

• Exterior Lighting · NHTSA 25V436000

  Jun 26, 2025Exterior Lighting:Lighting Control Module:Software

  Problem

  PACCAR Incorporated (PACCAR) is recalling certain 2024-2026 Kenworth T480, T680, T880, W990, Peterbilt 520, 536, 537, 548, 567, 579, 589, 2025 Kenworth T180, Peterbilt 535, 2025-2026 Kenworth T280, T380 and L770 vehicles. The tail brake light, upper and lower beam headlights, reverse light, and turn signal may not illuminate as intended. In addition, the lift axles, if lowered, may revert to a raised position, or oscillate up and down when the signal warning lights are activated. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices and Associated Equipment."

  Risk

  Delayed and unsteady headlights can result in insufficient illumination of the road, decreasing the driver's visibility and increasing the risk of a crash. In addition, an unexpected position change of the lift axles may increase the risk of injury.

  Fix

  Dealers will update the VCU software, free of charge. Owner letters were mailed August 19, 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 number for this recall is 25PACF.

  Full recall details for 25V436000 →

• Electrical System · NHTSA 25V181000

  Mar 24, 2025Electrical System:Propulsion System

  Problem

  PACCAR Incorporated (PACCAR) is recalling certain 2022-2025 Peterbilt 520, 579, and 2021-2025 Kenworth T680 trucks. The high voltage (HV) contactors may open, causing a sudden loss of high voltage and a loss of drive power.

  Risk

  A loss of drive power increases the risk of a crash.

  Fix

  Dealers will update the software and replace the electrical harness, free of charge. Owner notification letters were mailed May 13, 2025. Owners may contact Peterbilt's customer service at 1-940-591-4220 and Kenworth's customer service at 1-425-828-5888. PACCAR's numbers for this recall are 25PBC and 25KWC.

  Full recall details for 25V181000 →

• Service Brakes, Hydraulic · NHTSA 24V915000

  Dec 10, 2024Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip:Control Unit/Module

  Problem

  PACCAR Incorporated (PACCAR) is recalling certain 2021-2025 Peterbilt and Kenworth vehicles, equipped with Bendix EC80 Advanced Electronic Control Units (ECU). Please see the recall report for a complete list of models. Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop functioning.

  Risk

  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.

  Fix

  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.

  Full recall details for 24V915000 →

• Steering · NHTSA 24V908000

  Dec 3, 2024Steering:Linkages:Knuckle:Spindle:Arm

  Problem

  PACCAR Incorporated (PACCAR) is recalling certain 2024 Peterbilt 367, 389, 548, Kenworth T480, T800, 2024-2025 Peterbilt 520, 567 and Kenworth T880 vehicles with PACCAR 20k steer axles. The steering arm and/or tie rod bracket fasteners may fail, resulting in a loss of steering control.

  Risk

  A loss of steering control increases the risk of a crash.

  Fix

  Dealers will install new correctly torqued fasteners, free of charge. Owner notification letters were mailed January 21, 2025. Owners may contact Kenworth's customer service at 1-425-828-5888 or Peterbilt's customer service at 1-940-591-4220. PACCAR's numbers for this recall are 24KWK and 24PBK.

  Full recall details for 24V908000 →

• Steering · NHTSA 24V044000

  Jan 25, 2024Steering

  Problem

  PACCAR Incorporated (PACCAR) is recalling certain 2024-2025 Kenworth T280, T380, T480, T680, T880, L770, W990, and 2024-2025 Peterbilt 389, 520, 535, 536, 537, 548, 567, 579, 589 trucks. The steering gear assemblies may have been assembled incorrectly with fewer recirculating balls than are required, which may result in a loss of steering control.

  Risk

  A loss of steering control increases the risk of a crash.

  Fix

  Dealers will inspect and replace the steering gears as necessary, free of charge. Owner notification letters were mailed March 20, 2024. Owners may contact Peterbilt customer service at 1-940-591-4220 and/or Kenworth customer service at 1-425-828-5888. PACCAR's numbers for this recall are 24PBC and 24KWC.

  Full recall details for 24V044000 →

• Steering · NHTSA 24V043000

  Jan 25, 2024Steering:Linkages:Knuckle:Spindle:Arm

  Problem

  PACCAR Incorporated (PACCAR) is recalling certain 2024 Peterbilt 367, 389, 520, 567, and Kenworth T800, T880, W900, and W990 trucks. The bearing journals may not be fully seated in the steering knuckle assemblies, preventing the proper installation of the wheel end hub assemblies.

  Risk

  An improperly installed wheel end hub assembly can leak oil, causing the axle spindles to loosen or fracture and increasing the risk of a crash.

  Fix

  Dealers will inspect and replace the steering knuckle assemblies as necessary, free of charge. Owner letters were mailed February 23, 2024. Owners may contact Peterbilt customer service at 1-940-591-4220 and/or Kenworth customer service at 1-425-828-5888. PACCAR's numbers for this recall are 24PBB and 24KWB.

  Full recall details for 24V043000 →

2024 Peterbilt 520 complaints and service bulletins

Peterbilt has issued at least 54 technical service bulletins (repair instructions to dealers) for this model year. Complaints are unverified owner reports; a recall is the manufacturer’s admission of a safety defect.

Service bulletins by component

• Engine (23)
• Electrical System (19)
• Steering (7)
• Unknown Or Other (4)
• Fuel/Propulsion System (3)
• Engine and Engine Cooling (2)

Read Peterbilt 520 owner complaints and bulletins, every year

Other Peterbilt 520 model years

← 2023 Peterbilt 520 · 2025 Peterbilt 520 →

• 2026 (2)
• 2025 (7)
• 2024 (7)
• 2023 (5)
• 2022 (4)
• 2021 (6)
• 2020 (12)
• 2019 (8)
• 2018 (8)
• 2017 (5)
• 2016 (4)
• 2015 (3)
• 2014 (1)
• 2013 (1)
• 2012 (1)
• 2011 (1)
• 2010 (1)
• 2009 (1)
• 2008 (1)
• 2007 (1)
• 2006 (1)
• 2005 (1)
• 2004 (1)
• 2003 (1)
• 2002 (1)
• 2001 (1)
• 2000 (1)
• 1999 (1)
• 1998 (1)
• 1997 (1)
• 1996 (1)
• 1995 (1)
• 1994 (1)
• 1993 (1)
• 1992 (1)
• 1991 (1)
• 1990 (1)

All Peterbilt 520 recalls, every model year