Kenworth L770
- Published
- 2025-06-26
- Model years
- 2024–2025
Issue:
On certain trucks, a software problem could cause the stop lamps, low beam headlamps, high beam headlamps, reverse lamps and turn signal lamps not to turn on, or to turn on unexpectedly. This problem could also cause the lift axle(s) to raise or lower on their own.
Safety Risk:
Lamps that don't work properly could reduce visibility and increase the risk of a crash. Lift axles that move unexpectedly could increase the risk of injury.
Corrective Actions:
PACCAR will notify owners by mail and advise you to take your truck to a dealership to update the vehicle software.
View the official source notice →Kenworth T280
- Published
- 2025-06-26
- Model years
- 2024–2025
Issue:
On certain trucks, a software problem could cause the stop lamps, low beam headlamps, high beam headlamps, reverse lamps and turn signal lamps not to turn on, or to turn on unexpectedly. This problem could also cause the lift axle(s) to raise or lower on their own.
Safety Risk:
Lamps that don't work properly could reduce visibility and increase the risk of a crash. Lift axles that move unexpectedly could increase the risk of injury.
Corrective Actions:
PACCAR will notify owners by mail and advise you to take your truck to a dealership to update the vehicle software.
View the official source notice →Kenworth T380
- Published
- 2025-06-26
- Model years
- 2024–2025
Issue:
On certain trucks, a software problem could cause the stop lamps, low beam headlamps, high beam headlamps, reverse lamps and turn signal lamps not to turn on, or to turn on unexpectedly. This problem could also cause the lift axle(s) to raise or lower on their own.
Safety Risk:
Lamps that don't work properly could reduce visibility and increase the risk of a crash. Lift axles that move unexpectedly could increase the risk of injury.
Corrective Actions:
PACCAR will notify owners by mail and advise you to take your truck to a dealership to update the vehicle software.
View the official source notice →Kenworth T480
- Published
- 2025-06-26
- Model years
- 2024–2025
Issue:
On certain trucks, a software problem could cause the stop lamps, low beam headlamps, high beam headlamps, reverse lamps and turn signal lamps not to turn on, or to turn on unexpectedly. This problem could also cause the lift axle(s) to raise or lower on their own.
Safety Risk:
Lamps that don't work properly could reduce visibility and increase the risk of a crash. Lift axles that move unexpectedly could increase the risk of injury.
Corrective Actions:
PACCAR will notify owners by mail and advise you to take your truck to a dealership to update the vehicle software.
View the official source notice →Kenworth T680
- Published
- 2025-06-26
- Model years
- 2024–2025
Issue:
On certain trucks, a software problem could cause the stop lamps, low beam headlamps, high beam headlamps, reverse lamps and turn signal lamps not to turn on, or to turn on unexpectedly. This problem could also cause the lift axle(s) to raise or lower on their own.
Safety Risk:
Lamps that don't work properly could reduce visibility and increase the risk of a crash. Lift axles that move unexpectedly could increase the risk of injury.
Corrective Actions:
PACCAR will notify owners by mail and advise you to take your truck to a dealership to update the vehicle software.
View the official source notice →Kenworth T880
- Published
- 2025-06-26
- Model years
- 2024–2025
Issue:
On certain trucks, a software problem could cause the stop lamps, low beam headlamps, high beam headlamps, reverse lamps and turn signal lamps not to turn on, or to turn on unexpectedly. This problem could also cause the lift axle(s) to raise or lower on their own.
Safety Risk:
Lamps that don't work properly could reduce visibility and increase the risk of a crash. Lift axles that move unexpectedly could increase the risk of injury.
Corrective Actions:
PACCAR will notify owners by mail and advise you to take your truck to a dealership to update the vehicle software.
View the official source notice →Kenworth W990
- Published
- 2025-06-26
- Model years
- 2024–2025
Issue:
On certain trucks, a software problem could cause the stop lamps, low beam headlamps, high beam headlamps, reverse lamps and turn signal lamps not to turn on, or to turn on unexpectedly. This problem could also cause the lift axle(s) to raise or lower on their own.
Safety Risk:
Lamps that don't work properly could reduce visibility and increase the risk of a crash. Lift axles that move unexpectedly could increase the risk of injury.
Corrective Actions:
PACCAR will notify owners by mail and advise you to take your truck to a dealership to update the vehicle software.
View the official source notice →Peterbilt 520
- Published
- 2025-06-26
- Model years
- 2025–2026
Issue:
On certain trucks, a software problem could cause the stop lamps, low beam headlamps, high beam headlamps, reverse lamps and turn signal lamps not to turn on, or to turn on unexpectedly. This problem could also cause the lift axle(s) to raise or lower on their own.
Safety Risk:
Lamps that don't work properly could reduce visibility and increase the risk of a crash. Lift axles that move unexpectedly could increase the risk of injury.
Corrective Actions:
PACCAR will notify owners by mail and advise you to take your truck to a dealership to update the vehicle software.
View the official source notice →Peterbilt 536
- Published
- 2025-06-26
- Model years
- 2025–2026
Issue:
On certain trucks, a software problem could cause the stop lamps, low beam headlamps, high beam headlamps, reverse lamps and turn signal lamps not to turn on, or to turn on unexpectedly. This problem could also cause the lift axle(s) to raise or lower on their own.
Safety Risk:
Lamps that don't work properly could reduce visibility and increase the risk of a crash. Lift axles that move unexpectedly could increase the risk of injury.
Corrective Actions:
PACCAR will notify owners by mail and advise you to take your truck to a dealership to update the vehicle software.
View the official source notice →Peterbilt 537
- Published
- 2025-06-26
- Model years
- 2025–2026
Issue:
On certain trucks, a software problem could cause the stop lamps, low beam headlamps, high beam headlamps, reverse lamps and turn signal lamps not to turn on, or to turn on unexpectedly. This problem could also cause the lift axle(s) to raise or lower on their own.
Safety Risk:
Lamps that don't work properly could reduce visibility and increase the risk of a crash. Lift axles that move unexpectedly could increase the risk of injury.
Corrective Actions:
PACCAR will notify owners by mail and advise you to take your truck to a dealership to update the vehicle software.
View the official source notice →Peterbilt 548
- Published
- 2025-06-26
- Model years
- 2025–2026
Issue:
On certain trucks, a software problem could cause the stop lamps, low beam headlamps, high beam headlamps, reverse lamps and turn signal lamps not to turn on, or to turn on unexpectedly. This problem could also cause the lift axle(s) to raise or lower on their own.
Safety Risk:
Lamps that don't work properly could reduce visibility and increase the risk of a crash. Lift axles that move unexpectedly could increase the risk of injury.
Corrective Actions:
PACCAR will notify owners by mail and advise you to take your truck to a dealership to update the vehicle software.
View the official source notice →Peterbilt 567
- Published
- 2025-06-26
- Model years
- 2025–2026
Issue:
On certain trucks, a software problem could cause the stop lamps, low beam headlamps, high beam headlamps, reverse lamps and turn signal lamps not to turn on, or to turn on unexpectedly. This problem could also cause the lift axle(s) to raise or lower on their own.
Safety Risk:
Lamps that don't work properly could reduce visibility and increase the risk of a crash. Lift axles that move unexpectedly could increase the risk of injury.
Corrective Actions:
PACCAR will notify owners by mail and advise you to take your truck to a dealership to update the vehicle software.
View the official source notice →Peterbilt 579
- Published
- 2025-06-26
- Model years
- 2025–2026
Issue:
On certain trucks, a software problem could cause the stop lamps, low beam headlamps, high beam headlamps, reverse lamps and turn signal lamps not to turn on, or to turn on unexpectedly. This problem could also cause the lift axle(s) to raise or lower on their own.
Safety Risk:
Lamps that don't work properly could reduce visibility and increase the risk of a crash. Lift axles that move unexpectedly could increase the risk of injury.
Corrective Actions:
PACCAR will notify owners by mail and advise you to take your truck to a dealership to update the vehicle software.
View the official source notice →Peterbilt 589
- Published
- 2025-06-26
- Model years
- 2025–2026
Issue:
On certain trucks, a software problem could cause the stop lamps, low beam headlamps, high beam headlamps, reverse lamps and turn signal lamps not to turn on, or to turn on unexpectedly. This problem could also cause the lift axle(s) to raise or lower on their own.
Safety Risk:
Lamps that don't work properly could reduce visibility and increase the risk of a crash. Lift axles that move unexpectedly could increase the risk of injury.
Corrective Actions:
PACCAR will notify owners by mail and advise you to take your truck to a dealership to update the vehicle software.
View the official source notice →