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RECALLROADTHE CAMPAIGN RECORD

MODEL-YEAR RECALL REPORT

2020 Peterbilt 579 recalls

NHTSA's September 21, 2026 snapshot lists 6 safety recall campaigns for the 2020 Peterbilt 579, spanning 4 component groups. A model match does not confirm that a specific VIN is included.

Official source: NHTSA recall campaign file · Snapshot September 21, 2026

Distinct campaigns6not VIN-specific
Component groups4distinct top-level categories
Latest recordApril 25, 2022report received
VIN resultNot checkeduse official lookup

01 / OFFICIAL CAMPAIGNS

2020 Peterbilt 579 recall campaigns

The 2020 Peterbilt 579 report contains 6 distinct NHTSA campaigns; the most recently received record is campaign 22V277000 dated April 25, 2022.
Component
STEERING
Report received
April 25, 2022
Potential units
17,641campaign-wide
Defect and consequence

Defect: 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.

Why it matters: Fastener failure can result in a loss of steering control, increasing the risk of a crash or injury.

Remedy

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.

Owner notification: November 8, 2022 · Filing manufacturer: PACCAR Incorporated

Component
ELECTRICAL SYSTEM
Report received
December 29, 2021
Potential units
1,107campaign-wide
Defect and consequence

Defect: 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.

Why it matters: 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.

Owner notification: December 1, 2022 · Filing manufacturer: PACCAR Incorporated

Component
ELECTRICAL SYSTEM, SERVICE BRAKES, AIR
Report received
November 19, 2021
Potential units
908campaign-wide
Defect and consequence

Defect: 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.

Why it matters: 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.

Owner notification: January 3, 2022 · Filing manufacturer: PACCAR Incorporated

Component
ELECTRICAL SYSTEM
Report received
March 4, 2020
Potential units
35,671campaign-wide
Defect and consequence

Defect: 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.

Why it matters: An electrical short circuit can increase the risk of a fire.

Remedy

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.

Owner notification: April 30, 2020 · Filing manufacturer: PACCAR Incorporated

CAMPAIGN

NHTSA 19V733000

Component
VISIBILITY
Report received
October 15, 2019
Potential units
248campaign-wide
Defect and consequence

Defect: 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.".

Why it matters: Reduced visibility increases the risk of a crash.

Remedy

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.

Owner notification: November 4, 2019 · Filing manufacturer: PACCAR Incorporated

CAMPAIGN

NHTSA 19V340000

Component
VISIBILITY
Report received
May 1, 2019
Potential units
3,907campaign-wide
Defect and consequence

Defect: 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.

Why it matters: 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.

Remedy

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.

Owner notification: May 31, 2019 · Filing manufacturer: PACCAR Incorporated

02 / COMPONENT BREADTH

What defects are listed for the 2020 Peterbilt 579?

The most frequent component groups in 2020 Peterbilt 579 campaign records are Electrical System (3), Visibility (2), Service Brakes, Air (1), Steering (1); these counts describe filed campaigns rather than observed failure rates.
Electrical System3
Visibility2
Service Brakes, Air1
Steering1