Recall Register

2023 Peterbilt 520: recalls and complaints

NHTSA lists 5 recall campaigns for the 2023 Peterbilt 520. The newest campaign is 25V181000. NHTSA received the report on 24 Mar 2025. The NHTSA record gives the component Electrical System / Propulsion System. NHTSA has no complaint on file for this model year.

The NHTSA recall file shows no do-not-drive advisory and no park-outside advisory on these campaigns.

This page cannot show if a recall applies to one vehicle. The NHTSA VIN lookup shows the unrepaired recalls of one vehicle.

Remedy of the newest campaign, 25V181000, in the NHTSA record

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.
NHTSA VIN lookup

Complaint information entered into NHTSA’s Office of Defects Investigation vehicle owner's complaint database is used with other data sources to identify safety issues that warrant investigation and to determine if a safety-related defect trend exists.

NHTSA publishes these words. Source: NHTSA Datasets and APIs, section Complaints, read on . Complaint file through . Recall file through .

Since the last update

No tracked figure of this page changed in a data update. What the log tracks

All updates to the register

Recall campaigns

5 campaigns, newest first. 285,761 units in total.

  • 25V181000Electrical System / Propulsion System
  • 24V915000Electrical System / Software
  • 22V939000Suspension / Multiple Axle
  • 22V631000Engine and Engine Cooling / Engine / Engine Control Module (Ecu/Ecm)
  • 22V547000Steering

  1. 25V181000Received . 238 units.

    Electrical System / Propulsion System

    Defect, in the NHTSA record
    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.
    Consequence, in the NHTSA record
    A loss of drive power increases the risk of a crash.
    Remedy, in the NHTSA record
    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.

    Report filed by PACCAR Incorporated. Manufacturer campaign number 25PBC and 25KWC. Owner notification date in the NHTSA record: .

  2. 24V915000Received . 220,764 units.

    Electrical System / Software

    Defect, in the NHTSA record
    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.
    Consequence, in the NHTSA record
    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.
    Remedy, in the NHTSA record
    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.

    Report filed by PACCAR Incorporated. Manufacturer campaign number 24KWL 24PBL. Owner notification date in the NHTSA record: .

  3. 22V939000Received . 15,658 units.

    Suspension / Multiple Axle

    Defect, in the NHTSA record
    PACCAR Incorporated (PACCAR) is recalling certain 2015-2023 Peterbilt 320 and 520 refuse trucks equipped with Haulmaax/EX suspensions. The suspension tracking rod brackets may fail and detach from the forward drive axle, causing the axle to become unstable.
    Consequence, in the NHTSA record
    An unstable axle can decrease vehicle stability and control, increasing the risk of a crash.
    Remedy, in the NHTSA record
    Dealers will inspect the welds and add an additional bracket between the tracking rod bracket and axle housing, as necessary, free of charge. Owner notification letters are expected to be mailed February 14, 2023. Owners may contact Peterbilt's customer service at 1-940-591-4220. PACCAR's number for this recall is 22PBL.

    Report filed by PACCAR Incorporated. Manufacturer campaign number 22PBL. Owner notification date in the NHTSA record: .

  4. 22V631000Received . 1,601 units.

    Engine and Engine Cooling / Engine / Engine Control Module (Ecu/Ecm)

    Defect, in the NHTSA record
    PACCAR Incorporated (PACCAR) is recalling certain 2023 Peterbilt 220, 389, 520, 536, 537, 348, 367, 567, 548, 579, and 2023 Kenworth T680, K270, T440, T880, W990, K370, T280, T380, T480, T800, and W900 vehicles. The engine control module (ECM) may experience an internal electrical short-circuit, causing the engine to stall.
    Consequence, in the NHTSA record
    An unexpected engine stall can increase the risk of a crash.
    Remedy, in the NHTSA record
    Dealers will replace the ECM, free of charge. Owner notification letters are expected to be mailed October 16, 2022. 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 22KWG and 22PBG.

    Report filed by PACCAR Incorporated. Manufacturer campaign number 22KWG and 22PBG. Owner notification date in the NHTSA record: .

  5. 22V547000Received . 47,500 units.

    Steering

    Defect, in the NHTSA record
    PACCAR Incorporated (PACCAR) is recalling certain 2022-2023 Kenworth T170, T270, T280, T370, T380, T440, T470, T480, T680, T800, T880, W900, W990, C500, and 2022-2023 Peterbilt 325, 330, 337, 348, 365, 367, 389, 520, 536, 537, 548, 567, and 579 vehicles. The steering gears may have been assembled incorrectly, which can cause the gears to fracture.
    Consequence, in the NHTSA record
    A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.
    Remedy, in the NHTSA record
    Dealers will inspect the steering gear serial numbers, and replace the steering gears as necessary, free of charge. Owner notification letters were mailed September 26, 2022. 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 22PBE and 22KWE.

    Report filed by PACCAR Incorporated. Manufacturer campaign number 22PBE, 22KWE. Owner notification date in the NHTSA record: .

The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.

Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.

Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.

Complaints by component

The NHTSA complaint file has no complaint for this model year.

Investigations

The NHTSA investigation file has no investigation that names this model year.

Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.

Other model years

The number under each year is the number of recall campaigns.

  1. 19901
  2. 19911
  3. 19921
  4. 19931
  5. 19941
  6. 19951
  7. 19961
  8. 19971
  9. 19981
  10. 19991
  11. 20001
  12. 20011
  13. 20021
  14. 20031
  15. 20041
  16. 20051
  17. 20061
  18. 20071
  19. 20081
  20. 20091
  21. 20101
  22. 20111
  23. 20121
  24. 20131
  25. 20141
  26. 20153
  27. 20164
  28. 20175
  29. 20188
  30. 20198
  31. 202012
  32. 20216
  33. 20224
  34. 20235
  35. 20248
  36. 20257
  37. 20262

A year without a link has fewer than 2 campaigns and fewer than 25 complaints. It has no page.

Official channels

Cite this page

Recall Register. 2023 Peterbilt 520: recalls and complaints. https://recallregister.com/vehicle/peterbilt/520/2023/. Source: NHTSA Office of Defects Investigation, recall, complaint and investigation files. Data through .

Sources

Source
NHTSA Office of Defects Investigation
Licence
US government work, public domain
Recall file through
29 Sep 2026
Complaint file through
15 May 2019
First complaint in the file
1 Jan 1995
Manufacturer in the recall file
PACCAR Incorporated

The NHTSA record is the authority. A complaint count is the number of different complaint numbers for the make, the model and the model year. How the register is made. Report an error.

Questions

How many units are in the recall campaigns for the 2023 Peterbilt 520?
285,761 units in 5 campaigns. A campaign can name other models and model years, and its units include them.
How many recall campaigns does the Peterbilt 520 have for all model years?
NHTSA lists 24 recall campaigns for the Peterbilt 520, model years 1990 to 2026. 5 of them name the 2023 model year.
Is an NHTSA investigation of the 2023 Peterbilt 520 open?
The NHTSA investigation file has no investigation that names this model year.