Worst 2020 Peterbilt 579 Problems
Top 3 most-reported issues with average mileage at failure.
ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER
ELECTRONIC STABILITY CONTROL (ESC)
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
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All Problems by Category
Every NHTSA complaint category for the 2020 Peterbilt 579.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER | 1 | — | — | 349,571 mi | |
| ELECTRONIC STABILITY CONTROL (ESC) | 1 | — | — | 180,000 mi | |
| FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING | 1 | — | — | — | |
| SERVICE BRAKES | 1 | — | — | — |
Recalls for 2020 Peterbilt 579
7 NHTSA recall campaigns affecting ~60,390 vehicles.
PACCAR Incorporated (PACCAR) is recalling certain 2018-2020 Kenworth T270, T370, T440, T470, T660, T680, T880, T800, W900, W990; and 2018-2020 Peterbilt 330, 337, 348, 365, 367, 389, 520, 567, and 579 vehicles. The Dana D-Series axle steer arm fasteners that attach the steering arm to the steering knuckle may fail.
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.
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.
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.
PACCAR Incorporated (PACCAR) is recalling certain 2015-2020 Peterbilt 365, 389, 567, and 579 vehicles equipped with a left-hand under hood jumper terminal (option code 2539410). The positive battery jumper terminal cable may be too long, allowing it to chafe against the left front suspension spring and result in an electrical short circuit.
PACCAR Incorporated (PACCAR) is recalling certain 2020 Peterbilt 579 vehicles equipped with a sleeper box. The conspicuity tape may have been installed in the incorrect location, affecting the vehicle's visibility to other drivers on the road. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."
PACCAR Incorporated (PACCAR) is recalling certain 2020 Peterbilt 520 and 579 vehicles and Kenworth T680, T880 and W990 vehicles. The mirror glass may detach from the mirror carrier plate due to inadequate adhesion.
Other Peterbilt 579 Years
Wider context: See the full Peterbilt 579 reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2020 Peterbilt 579
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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