CarRecallWatchThe 2022 Peterbilt 579 has 15 safety recalls on file with NHTSA.
Owners have filed 7 complaints with NHTSA.
The most-reported problem area is Power Train (4 reports).
2022 Peterbilt 579 recalls
Trucks May Lose Drive Power Suddenly, Raising Crash Risk
Certain Kenworth T680 and Peterbilt 520, 579 and T680 trucks may have high voltage (HV) contactors that open unexpectedly.
Braking and stability systems may fail, raising crash risk
The electronic control unit (ECU) that runs the anti-lock brakes, traction control, electronic stability control, active cruise control and collision mitigation system can receive electrical noise or a weak signal.
Gear Shifter Connection Can Fail, Disabling Truck After Stop
A right-hand gear shifter stalk connector may have been improperly crimped, which can cause a loss of communication between the gear shifter and the transmission.
Fuel Tank Can Be Worn Through, Creating Fire Risk
Certain 2021-2024 Peterbilt 567 and 579 trucks may have U-bolts holding the air tank to the chassis that can contact the diesel fuel tank.
Damaged Alternator Cable Can Cause Fire
A fastener on the front spring bracket may have been installed with its head on the outside of the frame rail.
Stability control may misjudge truck weight, raising crash risk
Incorrect software in the battery electric heavy duty electronic stability control system may underestimate the vehicle's mass.
Hood Mirror May Break Off and Fall Onto the Road
The molded hood mirror assemblies on these trucks can break at the pivot joint.
Digital Display May Freeze, Hiding Speed and Warning Lights
Certain 2022 Kenworth and Peterbilt trucks may have an instrument cluster digital display that freezes and stops showing critical safety information, such as vehicle speed and warning lights.
Steering Gear May Fracture, Causing Loss of Steering Control
Steering gears on certain trucks may have been assembled incorrectly.
Loose Cab Step Can Move While Entering or Exiting
On certain vehicles with chassis fairings, the bolts that hold the step assembly in the closed position can loosen and fracture the latch attachment.
Methane alarm may fail if power is lost, risking fire
Certain heavy-duty trucks have a wiring defect in the methane detection system.
Brakes May Release During Winching, Causing Rollaway
On certain heavy-duty wrecker and auto hauler trucks, the work brake used during winching can unintentionally disengage the service brakes.
Stability Warning Light May Not Light Up, Raising Crash Risk
Certain 2022 Peterbilt 567 and 579 trucks may have an electronic stability control (ESC) software problem that keeps the ESC malfunction indicator lamp from turning on.
Rear brakes may lose signal and reduce stopping power
The Hill Start Assist valve assembly, mounted on a cross member, may not have enough clearance from the rear axle.
Engine Flywheel Can Detach, Causing Power Loss
The capscrews attaching the flywheel to the crankshaft may have been improperly torqued, so the flywheel can come loose from the engine.
Most common 2022 Peterbilt 579 problems
Problem areas named in the 7 complaints owners filed with NHTSA.
| Problem area | Reports |
|---|---|
| Power Train | 4 |
| Electrical System | 2 |
| Suspension | 1 |
| Tires | 1 |
| Service Brakes, Hydraulic | 1 |
What owners report
The contact owns a 2022 Peterbilt 579. The vehicle was previously repaired under NHTSA Campaign Number: 24V915000 (SERVICE BRAKES, HYDRAULIC, ELECTRICAL SYSTEM); however, the vehicle experienced the failure listed in the recall after the recall repair. The contact stated that while driving 22 MPH, the brakes failed to activate. There was no warning light illuminated. The vehicle was taken to a dealer to be diagnosed, and the contact was informed that the failure with the brakes was caused by a loss of communication between the ECM and the ECU. The contact was informed that the ECU was not installed on the vehicle, and the lane mitigation system was found unplugged. The vehicle was not repair
After a decel to 20ish mph, the automated manual transmission attempted to shift into gear to begin acceleration. The transmission made load noises indicating a failure followed by a transmission warning with the fault code being 617 FMI 14. All acceleration and engine braking ability was disabled, increasing the risk of an accident due to the vehicle being disabled. A similar safety recall for the same vehicle would be NHTSA #24V-190 which causes the vehicle to become disabled and increase a crash risk. This is a known issue caused by compressed air contamination according to Eaton Transmissions service bulletin TAIB-1006, which was first published April 2023. In the over 3 years since the
The contact owns a 2022 Peterbilt Conventional 579. The contact stated while driving at an undisclosed speed, the transmission independently shifted to neutral. The vehicle was driven to the shoulder of the road. The vehicle was turned off and restarted, and the vehicle was independently reset. The vehicle was taken to the dealer; however, the contact was informed that a software update was ordered by the manufacturer. The software update was performed; however, the failure reoccurred. The contact was informed that there was no fix for the failure because the dealer was unable to determine the cause of the failure. The manufacturer was made aware of the failure and the dealer was instructed
See attached document for complaint.
The contact owns a 2022 Peterbilt 579. The contact stated that while driving at an undisclosed speed, the vehicle downshifted with multiple warning lights illuminated. The vehicle was restarted; however, the failure recurred. The contact received notification of NHTSA Campaign Number: 24V190000 (Power Train); however, the part to do the recall repair was unavailable. The dealer was contacted. The vehicle was taken to the dealer where it was diagnosed and determined that the gear shifter assembly had failed and needed to be replaced. The vehicle was not repaired. The contact was informed by the dealer that the parts were not available. The contact stated that the manufacturer had exceeded a r
2022 Peterbilt 579 questions
Does the 2022 Peterbilt 579 have any recalls?
Yes. NHTSA lists 15 safety recalls for the 2022 Peterbilt 579: Trucks May Lose Drive Power Suddenly, Raising Crash Risk; Braking and stability systems may fail, raising crash risk; Gear Shifter Connection Can Fail, Disabling Truck After Stop; Fuel Tank Can Be Worn Through, Creating Fire Risk; Damaged Alternator Cable Can Cause Fire. Recall repairs are normally free at an authorized dealer.
What are the most common problems with the 2022 Peterbilt 579?
Based on 7 owner complaints filed with NHTSA, the most-reported problem areas are Power Train (4), Electrical System (2), Suspension (1).
How do I check if a recall on my 2022 Peterbilt 579 has been fixed?
Enter your 17-character VIN in our VIN recall check. It shows open recalls that have not been repaired on your specific vehicle. Recall repairs are normally free at an authorized dealer.