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Kenworth L770 Recalls & Complaints by Model Year

NHTSA lists 4 safety recalls and 0 owner complaints across 3 model years of the Kenworth L770 (2024–2026).

4
safety recalls, all years
0
owner complaints, all years
2025
year with most recalls

Pick your Kenworth L770 model year

Model yearRecallsComplaints
2026 Kenworth L77020
2025 Kenworth L77030
2024 Kenworth L77010

All Kenworth L770 recalls (4)

Every NHTSA safety campaign that lists a Kenworth L770, most recent first, with the model years each one covers.

  1. Steering

    NHTSA 26V022000 Reported 219 vehicles potentially affected PACCAR Incorporated

    PACCAR Incorporated (PACCAR) is recalling certain 2026 Kenworth L770 and 2024-2026 Peterbilt 520 vehicles. The right-hand stand-up (RHSU) configuration on the steering cross-shaft may become stressed and fail.

    Remedy: Dealers will inspect and repair the steering cross-shafts and replace any damaged or broken cross-shafts, free of charge. Owner notification letters were mailed March 13, 2026. Owners may contact Peterbilt's customer…

    Model years: 2026

  2. Software (exterior lighting)

    NHTSA 25V436000 Reported 56,260 vehicles potentially affected PACCAR Incorporated

    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…

    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.…

    Model years: 2025, 2026

  3. Tie rod assembly (steering) and connection (steering) Do not drive

    NHTSA 24V433000 Reported 7,410 vehicles potentially affected PACCAR Incorporated

    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.

    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…

    Model years: 2025

  4. Steering

    NHTSA 24V044000 Reported 45,887 vehicles potentially affected PACCAR Incorporated

    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…

    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…

    Model years: 2024, 2025

Other Kenworth models

Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.