NHTSA vehicle safety data
2025 Kenworth L770 Recalls, Ratings & Complaints
The 2025 Kenworth L770 has 3 NHTSA recall campaigns and 0 owner complaints on file as of October 16, 2026. Recall repairs are usually free at an authorized Kenworth dealer.
NHTSA recall and complaint data for the 2025 Kenworth L770. Recall data is refreshed daily from NHTSA.
EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE
NHTSA #25V436000Reported June 26, 2025 · PACCAR Incorporated
Potentially affected: 56,260 vehicles
Defect description
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."
Safety consequence
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.
Manufacturer 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.
STEERING:LINKAGES:TIE ROD ASSEMBLY
NHTSA #24V433000Reported June 12, 2024 · PACCAR Incorporated
Potentially affected: 7,410 vehicles
Defect description
PACCAR Incorporated (PACCAR) is recalling certain 2025 Kenworth K270, K370, L770, T280, T380, T480, T680, T880, W900, W990, 2025 Peterbilt 220, 520, 536, 537, 548, 567, 579, and 589 trucks. The tie rod or drag link assembly may contain an improperly heat-treated ball stud, causing the ball stud to break.
Safety consequence
A broken ball stud can cause a complete loss of steering control, increasing the risk of a crash.
Manufacturer remedy
Owners are advised not to drive their vehicles until the remedy has been completed. Dealers will inspect and replace the tie rod and drag link assemblies as necessary, free of charge. Owner notification letters were mailed August 6, 2024. Owners may contact Kenworth customer service at 1-425-828-5888 and Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall are 24KWG and 24PBG.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
STEERING
NHTSA #24V044000Reported January 25, 2024 · PACCAR Incorporated
Potentially affected: 45,887 vehicles
Defect description
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.
Safety consequence
A loss of steering control increases the risk of a crash.
Manufacturer remedy
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.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Other Kenworth L770 model years
Check your 2025 Kenworth L770 VIN
Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Kenworth L770 at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.
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