2021-2025 PETERBILT 520
Mon Mar 24 2025
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Summary
PACCAR Incorporated (PACCAR) is recalling certain 2021-2025 Peterbilt 520, 579, and Kenworth T680 trucks. The high voltage (HV) contactors may open, causing a sudden loss of high voltage and a loss of drive power.
How to resolve this:
Dealers will update the software and replace the electrical harness, free of charge. Owner notification letters are expected to be mailed May 23, 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.
What happens if you don't resolve this:
A loss of drive power increases the risk of a crash.
Affected component:
ELECTRICAL SYSTEM:PROPULSION SYSTEM
Additional notes:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 888-327-4236 (TTY 888-275-9171) or go to nhtsa.gov.