Every 2020 Peterbilt 579 recall
Each campaign as NHTSA published it: what is wrong, what can happen, and the fix. Newest first.
Steering · NHTSA 22V277000
Apr 25, 2022Steering:Critical Fasteners
- Problem
- 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.
- Risk
- Fastener failure can result in a loss of steering control, increasing the risk of a crash or injury.
- Fix
- Dealers will replace and torque the steer arm fasteners, at no charge. Owner notification letters were mailed November 8, 2022. Owners may contact Kenworth customer service at 1-425-828-5888 and Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall are 22 PBB and 22 KWB.
Full recall details for 22V277000 →Electrical System · NHTSA 21V00N000
Dec 29, 2021Electrical System:Wiring
- Problem
- 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.
- Fix
- 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.
Full recall details for 21V00N000 →Service Brakes, Air · NHTSA 21V906000
Nov 19, 2021Service Brakes, Air
- Problem
- 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.
- Fix
- 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.
Full recall details for 21V906000 →Electrical System · NHTSA 20V130000
Apr 3, 2020Electrical System:12v/24v/48v Battery:Cables
- Problem
- 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.
- Risk
- An electrical short circuit can increase the risk of a fire.
- Fix
- PACCAR will notify owners, and dealers will inspect the battery jumper terminal cables, and replace them as necessary, free of charge. The recall began April 30, 2020. Owners may contact PACCAR customer service at 1-940-591-4220. PACCAR's number for this recall is 20PBA.
Full recall details for 20V130000 →Visibility · NHTSA 19V733000
Oct 15, 2019Visibility
- Problem
- 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."
- Risk
- Reduced visibility increases the risk of a crash.
- Fix
- PACCAR will notify owners, and dealers will install additional conspicuity tape on back of sleeper in correct location, free of charge. The recall began November 4, 2019. Owners may contact PACCAR customer service at 1-940-591-4220. PACCAR's number for this recall is 19PBE.
Full recall details for 19V733000 →Visibility · NHTSA 19V340000
Jan 5, 2019Visibility:Rearview Mirrors/Devices:Exterior
- Problem
- 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.
- Risk
- If the mirror glass detaches, the driver may have reduced visibility and the mirror glass will become a road hazard that may strike another vehicle or pedestrian, increasing the risk of a crash or injury.
- Fix
- PACCAR has notified owners, and dealers will inspect the upper mirror glass/mirror carrier, replacing it as necessary, free of charge. The recall began May 31, 2019. Kenworth owners may contact PACCAR customer service at 1-425-828-5888 and Peterbilt owners may call 1-940-591-4220. PACCAR's numbers for this recall is 19KWC and 19PBC.
Full recall details for 19V340000 →
2020 Peterbilt 579 complaints and service bulletins
Owners filed 4 complaints with NHTSA about the 2020 Peterbilt 579. Peterbilt has issued at least 104 technical service bulletins (repair instructions to dealers) for this model year. Complaints are unverified owner reports; a recall is the manufacturer’s admission of a safety defect.
Most-reported components
- Electrical System1
- Electronic Stability Control (Esc)1
- Forward Collision Avoidance1
- Power Train1
- Service Brakes1
Service bulletins by component
- Electrical System (29)
- Equipment (21)
- Engine (18)
- Engine and Engine Cooling (17)
- Power Train (13)
- Structure (12)
Read Peterbilt 579 owner complaints and bulletins, every year
What people reported
Owners have filed 4 complaints with NHTSA about the 2020 Peterbilt 579. A few in their own words, shortened. Complaints are unverified and are not proof of a defect or of any recall.
“Camshaft failure as described in previous service bulletins for same year, make, model truck and Paccar MX-17 engine. Available for inspection as truck is not operational.”
2020 PETERBILT 579Apr 10, 2026 · GA
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11730456
“Odometer Fraud. The contact purchased a 2020 Peterbilt 579. The contact stated that while attempting to register the vehicle, it was discovered that there was a mileage discrepancy. The vehicle was a dealer sale.”
2020 PETERBILT 579Sep 18, 2025
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11688101
“Vehicle has a following distance sensor on front bumper. Sensor is sensing overpasses when traveling underneath them and that should not be detected. Vehicle is automatically applying hard braking. This is causing a possible rear end collision and or loss of vehicle controll in wet conditions.”
2020 PETERBILT 579Dec 19, 2023
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11560967
“EOA SUPPORT BRACKET BROKE OFF AND THE EOA MANIFOLD FELL INTO THE DRIVE SHAFT CAUSING THE LOSS OF AIR PRESSURE. THE TRUCK WAS ON THE INSTATE IN THE CITY.”
2020 PETERBILT 579Sep 22, 2020
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11360473
Check your 579 by VIN
Not every 2020 Peterbilt 579 is in every recall. Enter your 17-character VIN to see the recalls on record for your exact vehicle, then confirm which are still open at NHTSA.gov or with any Peterbilt dealer.
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