2022 Peterbilt 579 problems, complaints & recalls
Updated from NHTSA data · How we count
Owners have filed 7 complaints with NHTSA about the 2022 Peterbilt 579, most often about transmission & drivetrain. There are 15 recalls for this model year.
- Complaints
- 7
- Recalls
- 15
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Median mileage
- 526,000 mi at time of problem
Key facts
- Transmission & Drivetrain is the most-reported problem area, named in 4 of 7 complaints (57%).
- Electrical System (2) and brakes (1) follow.
- Half of the complaints that list mileage happened before 526,000 mi.
- The 2022 Peterbilt 579 has 15 recalls on file.
- It ranks 4th of 11 Peterbilt 579 model years by our severity-weighted complaint score (1st = worst).
2022 Peterbilt 579 problems by category
- Transmission & Drivetrain4 complaints
- Electrical System2 complaints
- Brakes1 complaints
- Suspension1 complaints
- Wheels & Tires1 complaints
A complaint can mention more than one problem area, so categories add up to more than the total.
Most-reported components
| Component (as filed with NHTSA) | Complaints |
|---|---|
| Power train | 4 |
| Electrical system | 2 |
| Service brakes, hydraulic | 1 |
| Suspension | 1 |
| Tires | 1 |
When problems happen (mileage)
2022 Peterbilt 579 recalls (15)
- ELECTRICAL SYSTEM:PROPULSION SYSTEM
PACCAR Incorporated (PACCAR) is recalling certain 2022-2025 Peterbilt 520, 579, and 2021-2025 Kenworth T680 trucks. The high voltage (HV) contactors may open, causing a sudden loss of high voltage and a loss of drive power.
Risk: A loss of drive power increases the risk of a crash.
Remedy: Dealers will update the software and replace the electrical harness, free of charge. Owner notification letters were mailed May 13, 2025. Owners may contact Peterbilt's customer service at 1-940-591-4220 and Kenworth's customer service at 1-425-828-5888. PACCAR's numbers for this recall are 25PBC and 25KWC.
- ELECTRICAL SYSTEM:SOFTWARE · SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
PACCAR Incorporated (PACCAR) is recalling certain 2021-2025 Peterbilt and Kenworth vehicles, equipped with Bendix EC80 Advanced Electronic Control Units (ECU). Please see the recall report for a complete list of models. Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop functioning.
Risk: Safety systems that depend on the ECU (Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System) may not function properly or at all, increasing the risk of a crash.
Remedy: Dealers will reprogram the ECU software, free of charge. Owner notification letters were mailed February 3, 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 numbers for this recall are 24KWL and 24PBL.
- POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT
PACCAR Incorporated (PACCAR) is recalling certain 2021-2024 Peterbilt 365, 367, 389, 535, 536, 537, 548, 567, 579, and 2021-2025 Kenworth T180, T280, T380, T480, T680, T880 and W990 trucks. The right-hand gear shifter stalk connectors may have been improperly crimped, resulting in a loss of communication.
Risk: A loss of communication between the gear shifter and the transmission may result in the vehicle becoming disabled after coming to a stop, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the gear shifter assembly as necessary, free of charge. Owner letters were mailed December 15, 2025, then phased after that. Owners may contact Kenworth customer service at 1-425-828-5888 or Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall are 24PBE and 24KWE.
- FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
PACCAR Incorporated (PACCAR) is recalling certain 2021-2024 Peterbilt 579 and 567 trucks. The U-bolts that attach the air tank to the chassis may contact the fuel tank and over time, wear a hole in the tank.
Risk: A punctured fuel tank can leak fuel, increasing the risk of a fire.
Remedy: Dealers will inspect and trim the U-bolts, and replace the fuel tank as necessary, free of charge. Owner notification letters were mailed November 3, 2023. Owners may contact Peterbilt's customer service at 1-940-591-4220. PACCAR's number for this recall is 23PBH.
- ELECTRICAL SYSTEM
PACCAR, Incorporated (PACCAR) is recalling certain 2021-2023 Peterbilt 579 vehicles equipped with MX-13 engines and 160-amp alternators. A fastener on the front spring bracket may have been installed with the head on the outside of the frame rail, which can chafe and damage the alternator positive cable.
Risk: A damaged alternator cable increases the risk of a fire.
Remedy: Dealers will replace the frame fastener and secure the alternator cable, free of charge. Owner notification letters are expected to be mailed August 11, 2023. Owners may contact Peterbilt's customer service at 1-940-591-4220. PACCAR's number for this recall is 23PBD.
- ELECTRONIC STABILITY CONTROL (ESC)
PACCAR Incorporated (PACCAR) is recalling certain 2022-2023 Peterbilt 579 and 2023 Kenworth T680 vehicles. Incorrect software in the battery electric heavy duty electronic stability control program may underestimate the mass of the vehicle. As such, these vehicles may fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 136, "Electronic Stability Control Systems on Heavy Vehicles."
Risk: An incorrect estimate of the vehicle mass can reduce the performance of the stability control system and increase the risk of a crash.
Remedy: Dealers will update the software, free of charge. Owner notification letters are expected to be mailed March 17, 2023. Owners may contact PACCAR's customer service at 1-425-828-5888 (Kenworth) and 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 23PBA and 23KWA.
- VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
PACCAR Incorporated (PACCAR) is recalling certain 2022-2023 Peterbilt 579 vehicles. The molded hood mirror assemblies may break at the pivot joint and, if unsecured by a harness or tether, can fall into the roadway.
Risk: A molded hood mirror that falls into the roadway can become a road hazard, increasing the risk of a crash.
Remedy: Dealers will inspect for a wire harness or tether and replace the hood mirror assembly as necessary, free of charge. Owner notification letters are expected to be mailed February 14, 2023. Owners may contact Peterbilt's customer service at 1-940-591-4220. PACCAR's number for this recall is 22PBF.
- ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
PACCAR Incorporated (PACCAR) is recalling certain 2022-2023 Kenworth T680, T880, W990, and Peterbilt 365, 367, 389, 567, and 579 vehicles. The digital display may freeze and not display critical safety information. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 101, "Control and Displays" and 102, "Trans Shift Lever Seq/Starter Interlock/Trans Braking Effect."
Risk: The loss of display information, such as vehicle speed and warning lights, can increase the risk of a crash.
Remedy: Dealers will update the software, free of charge. Owner notification letters are expected to be mailed December 16, 2022. Owners may contact Kenworth's customer service at 1-425-828-5888 and Peterbilt's customer service at 1-940-591-4220. PACCAR's numbers for this recall are 22KWK and 22PBK.
- STEERING
PACCAR Incorporated (PACCAR) is recalling certain 2022-2023 Kenworth T170, T270, T280, T370, T380, T440, T470, T480, T680, T800, T880, W900, W990, C500, and 2022-2023 Peterbilt 325, 330, 337, 348, 365, 367, 389, 520, 536, 537, 548, 567, and 579 vehicles. The steering gears may have been assembled incorrectly, which can cause the gears to fracture.
Risk: A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.
Remedy: Dealers will inspect the steering gear serial numbers, and replace the steering gears as necessary, free of charge. Owner notification letters were mailed September 26, 2022. Owners may contact Kenworth's customer service at 1-425-828-5888 and Peterbilt's customer service at 1-940-591-4220. PACCAR's numbers for this recall are 22PBE and 22KWE.
- STRUCTURE:BODY:STEP/LADDER
PACCAR Incorporated (PACCAR) is recalling certain 2022 Peterbilt 579 vehicles equipped with chassis fairings. The bolts that hold the chassis fairing step assembly in the closed position may loosen and fracture the latch attachment, causing the fairing assembly to flex.
Risk: A partially unsecured cab step can unexpectedly move while entering or exiting the cab, increasing the risk of injury.
Remedy: Dealers will add new fasteners and a bracket, free of charge. Owner notification letters were mailed on April 11, 2022. Owners may contact Peterbilt customer service at 1-940-591-4220. PACCAR's number for this recall is 22PBA.
- ELECTRICAL SYSTEM:WIRING
PACCAR Incorporated (PACCAR) is recalling certain 2016-2022 Peterbilt 567, 579, 2021-2022 Peterbilt 536, 2017-2021 Kenworth T880, 2016-2022 Kenworth T680, 2018-2020 Kenworth T440, 2020 Kenworth T270, and 2021 Kenworth T280 vehicles. The methane detection system will not function if the system loses power.
Risk: The operator may be unaware of a system malfunction or the presence of excessive methane levels, increasing the risk of injury or fire.
Remedy: Dealers will re-wire the warning alarm, free of charge. Owner notification letters were mailed December 1, 2022. Owners may contact Peterbilt customer service at 1-940-591-4220, and Kenworth customer service at 1-425-828-5888. PACCAR's numbers for this recall are 21KWH and 21PBN.
- ELECTRICAL SYSTEM:SOFTWARE · SERVICE BRAKES, AIR
PACCAR Incorporated (PACCAR) is recalling certain 2019-2022 Kenworth T880, W990, Peterbilt 567, 579, 389, and 2022 Peterbilt 536, 537 wrecker and auto hauler vehicles. The work brake (winch brake) may unintentionally disengage the service brakes during winching operations, causing the vehicle to roll.
Risk: Unintended vehicle movement can increase the risk of a crash or injury.
Remedy: Dealers will update the vehicle software, free of charge. Owner notification letters were mailed on January 3, 2022. Owners may contact PACCAR customer service at 1-425-828-5888 (Kenworth); or 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 21KWG and 21PBM.
- ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE:SOFTWARE
PACCAR Incorporated (PACCAR) is recalling certain 2022 Peterbilt 567 and 579 vehicles. The Electronic Stability Control (ESC) malfunction indicator lamp may not illuminate. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 136, "Electronic Stability Control Systems on Heavy Vehicles."
Risk: The driver may be unaware of an ESC system malfunction, increasing the risk of a crash.
Remedy: Dealers will reprogram the ESC system, free of charge. Owner notification letters were mailed on October 28, 2021. Owners may contact PACCAR's customer service at 1-940-591-4220 (Peterbilt). PACCAR's number for this recall is 21PBL.
- SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
PACCAR, Inc. (PACCAR) is recalling certain 2021-2022 Peterbilt 367, 389, 567, and 579 vehicles. The cross member mounted Hill Start Assist valve assembly may have insufficient clearance to the rear axle, causing damage to the rear brake hose and loss of the rear brake signal.
Risk: If loss of the rear brake signal occurs, the vehicle could experience reduced rear braking capability or loss of brakes to the rear axle(s), increasing the risk of a crash.
Remedy: Dealers will inspect for clearance and re-work the assembly to conform with an updated design, free of charge. Interim owner notification letters were mailed on September 24, 2021. Owner notification letters were mailed on March 11, 2022. Owners may contact PACCAR's customer service at 1-940-591-4220 (Peterbilt). PACCAR's number for this recall is 21PBJ.
- ENGINE
PACCAR Incorporated (PACCAR) is recalling certain 2021-2022 Kenworth T680, T880, W990, T800, W900 and Peterbilt 579, 567, 389, 367 vehicles equipped with a Cummins X15 engine. The capscrews that attach the flywheel to the crankshaft may have been improperly torqued, allowing the flywheel to detach.
Risk: A detached flywheel can cause loss of drive power, increasing the risk of a crash. Additionally, driveline pieces may be ejected from the engine compartment, increasing the risk of injury.
Remedy: PACCAR will notify owners, and dealers will properly torque the capscrews and the engine will also be inspected for damage and, if necessary, repaired, free of charge. The recall began on March 29, 2021. Owners may contact PACCAR customer service at 1-425-828-5888 (Kenworth) or 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 21KWA and 21PBB.
Recent 2022 Peterbilt 579 complaints
Excerpts of the newest owner complaints, lightly cleaned of personal details. Complaints are unverified owner reports.
- Filed Sep 1, 2026526,000 miCOBrakesElectrical System
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…
NHTSA complaint #11761348 · source - Filed May 14, 2026FLTransmission & Drivetrain
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…
NHTSA complaint #11737845 · source - Filed Jul 18, 2025540,000 miTXElectrical SystemTransmission & Drivetrain
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…
NHTSA complaint #11674544 · source - Filed Jan 2, 2025220,536 miINTransmission & Drivetrain
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…
NHTSA complaint #11633660 · source - Filed Mar 23, 2021CASuspension
I would like to talk to you about my truck issue . I bought the truck peterbilt 579 2022 from golden state peterbilt fresno ca on 03/03/2021. When i drove the truck i realized it was pulling to the right. I immediately informed the dealership about this issue. I drove the truck about 200 miles to make sure there was something wrong with the truck, so i left the truck at the dealership on 03/04/21 to fix it. The company has claimed to have repaired the truck three times since…
NHTSA complaint #11404394 · source
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Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data, as of Oct 10, 2026. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology