KENWORTH L770, T180, T280 and others: EXTERIOR LIGHTING: LIGHTING CONTROL MODULE
- What can happen
- 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.
- Remedy
- 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.
- Potentially affected
- 56260
Completion rate: 70.6% of the 56,260 vehicles potentially affected, the share the maker has reported to NHTSA as remedied, as listed in NHTSA's recalls data (updated Nov. 12, 2026). A recall protects people only when the repair is done.
Is your vehicle in this recall? It depends on the vehicle's VIN, not its make, model or year: check a VIN or use NHTSA's VIN lookup.
- Date (report received by NHTSA)
- June 26, 2025
- Filed by
- PACCAR Incorporated
- Vehicles
- KENWORTH L770 (2025, 2026); KENWORTH T180 (2025); KENWORTH T280 (2025, 2026); KENWORTH T380 (2025, 2026); KENWORTH T480 (2024, 2025, 2026); KENWORTH T680 (2024, 2025, 2026); KENWORTH T880 (2024, 2025, 2026); KENWORTH W990 (2024, 2025, 2026); PETERBILT 520 (2024, 2025, 2026); PETERBILT 535 (2025); PETERBILT 536 (2024, 2025, 2026); PETERBILT 537 (2025, 2026); PETERBILT 548 (2024, 2025, 2026); PETERBILT 567 (2024, 2025, 2026); PETERBILT 579 (2024, 2025, 2026); PETERBILT 589 (2024, 2025, 2026)
- Component
- EXTERIOR LIGHTING › LIGHTING CONTROL MODULE › SOFTWARE
- Description of the defect
- 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."
- Potentially affected
- 56260
- What can happen
- 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.
- Remedy
- 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.
- Owner notification date
- Aug. 19, 2025
- Manufacturer campaign number
- 25PACF
- Recall type
- V (vehicle)
- FMVSS
- 108
- Influenced by
- MFR
- Manufacturer's component
- Vehicle Electrical Control Unit · VECU · Q21-1157
- Recall number
- 25V436000
How this defect works
A simplified drawing of the part, following the words of NHTSA's record. It shows how the defect is described, not an event.
What the notice says to do (the remedy, in its words)
“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."” “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.”KENWORTH, PETERBILT EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE recall, NHTSA recall record, 2025-06-26. The caption and the remedy steps are the record's own words.
A generic drawing of the kind of part, not the part itself. The failure mark follows the record's verb; the phrases on the right are the record's own words.
If the drawing and the record's words differ, the words govern. A drawing is chosen by rules and an AI reading of the record and can miss what it means; report one with the form below.
This recall among the others
- PETERBILT: 32 other recalls or notices on this site in the three years before this one (from June 27, 2022).
Counted from the agency records on this site, as on Statistics: a recall event once, by its first notice.
What should I do? Car recall: how to check your car and get it fixed · How to read this record
Source: NHTSA · Vehicle record. View the agency notice. The agency notice governs; check it and the company before acting.
Cite this record
NHTSA recall record 25V436000, June 26, 2025. PlainRecords' title: "KENWORTH L770, T180, T280 and others: EXTERIOR LIGHTING: LIGHTING CONTROL MODULE." PlainRecords, https://plainrecords.com/recall/vehicle/25v436000/ (as of the day it was built).At each build a sample of records from each source is compared with the agency's published file and the page; every correction is public. Drawings are chosen by software that reads the record. Built daily. How we check · Corrections