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Kenworth high voltage (HV) contactors may open, causing a sudden loss of high voltage and a loss of drive power.

NHTSA campaign 25V-181 · Reported March 24, 2025 · 238 vehicles affected

AFFECTED MODELS
Kenworth T680, 520 and 579
VEHICLES AFFECTED
238
REMEDY
Dealers will update the software and replace the electrical harness, free of charge.
COST
Free

The short version

PACCAR Incorporated reported a problem with the electrical system propulsion system. Here is what owners need to know.

WHAT

The high voltage (HV) contactors may open, causing a sudden loss of high voltage and a loss of drive power.

WHY IT MATTERS

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

WHAT TO DO

Take it to a dealer — they will update the software and replace the electrical harness, free of charge.

Affected vehicles

These model years are included in NHTSA campaign 25V-181.

YEAR RANGEMODEL
2021–2025Kenworth T680
2022–2025Peterbilt 520
2022–2025Peterbilt 579

What changed

Newest first. The record shows both when the recall began and what has changed since.

  1. Recall reported to NHTSA. LATEST

Drive one of these? Check your VIN to see if your specific vehicle is affected.

Check your VIN

What this record means

Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.

Not affiliated

MyAutoRecalls is not affiliated with PACCAR Incorporated or the National Highway Traffic Safety Administration.