2025 KENWORTH L770
3 recalls, 0 complaints - 1 TSBs
25V436000 Jun 26, 2025
EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE
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... Read more
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.
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.
24V433000 Jun 12, 2024
STEERING:LINKAGES:DRAG:LINK:CONNECTION
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 ... Read more
Consequence
A broken ball stud can cause a complete loss of steering control, increasing the risk of a crash.
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-... Read more
24V044000 Jan 25, 2024
STEERING
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 require... Read more
Consequence
A loss of steering control increases the risk of a crash.
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 a... Read more
No complaints found for this vehicle.
Technical Service Bulletins, 2025 KENWORTH L770
1 manufacturer communications from 1 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.
Most Affected Components
| Component | Bulletins |
|---|---|
| 010000 STEERING | 1 |
24KWC
Feb 12, 2024
010000 STEERING
Safety Recall Inspection procedures are available. Steering gear serial numbers must be inspected to determine suspect gears. Certain steering gears may have been assembled incorrectly, causing the gear to fracture. This can cause a loss o
KENWORTH L770 - All Years Overview
Complete safety history for the KENWORTH L770 across all model years (2024, 2026).
6
Total Recalls
0
Total Complaints
0
Investigations
0
Reported Crashes
0
Reported Fires
0
Reported Deaths