2021 PETERBILT 579 Recalls

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All Recalls

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.

NHTSA 21V648000

Report Date

19/08/2021

Component

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

Manufacturer

PACCAR Incorporated

Consequence: 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 / Corrective Action

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.

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.

NHTSA 21V00N000

Report Date

29/12/2021

Component

ELECTRICAL SYSTEM:WIRING

Manufacturer

PACCAR Incorporated

Consequence: The operator may be unaware of a system malfunction or the presence of excessive methane levels, increasing the risk of injury or fire.

Remedy / Corrective Action

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.

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.

NHTSA 21V906000

Report Date

19/11/2021

Component

SERVICE BRAKES, AIR

Manufacturer

PACCAR Incorporated

Consequence: Unintended vehicle movement can increase the risk of a crash or injury.

Remedy / Corrective Action

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.

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.

NHTSA 21V080000

Report Date

17/02/2021

Component

ENGINE

Manufacturer

PACCAR Incorporated

Consequence: 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 / Corrective Action

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.

PACCAR Incorporated (PACCAR) is recalling certain 2021 Peterbilt 348 and 579 vehicles. The spring brake chamber may have been assembled with incorrect springs that were out of specification, which may cause the pressure plate to shift.

NHTSA 21V328000

Report Date

10/05/2021

Component

SERVICE BRAKES, AIR:DISC:CHAMBER

Manufacturer

PACCAR Incorporated

Consequence: The pressure plate may tear the diaphragm, causing a loss of air pressure and increasing the risk of a crash.

Remedy / Corrective Action

Dealers will replace brake chambers, free of charge. Owner notification letters were mailed on July 9, 2021. Owners may contact PACCAR (Peterbilt) customer service at 1-940-591-4220. PACCAR's number for this recall is 21PBE.

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.

NHTSA 23V423000

Report Date

13/06/2023

Component

ELECTRICAL SYSTEM

Manufacturer

PACCAR Incorporated

Consequence: A damaged alternator cable increases the risk of a fire.

Remedy / Corrective Action

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.

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.

NHTSA 23V653000

Report Date

27/09/2023

Component

FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

Manufacturer

PACCAR Incorporated

Consequence: A punctured fuel tank can leak fuel, increasing the risk of a fire.

Remedy / Corrective Action

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.

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.

NHTSA 24V190000

Report Date

20/03/2024

Component

POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT

Manufacturer

PACCAR Incorporated

Consequence: 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 / Corrective Action

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.

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.

NHTSA 24V915000

Report Date

09/12/2024

Component

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

Manufacturer

PACCAR Incorporated

Consequence: 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 / Corrective Action

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.

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Where to Find VIN for Recall Check

To check for recalls on your 2021 PETERBILT 579, you'll need the VIN number. Find your VIN in one of these 4 common locations.

Where to Find VIN Number on 2021 PETERBILT 579 for Recall Lookup - Dashboard, Door Jamb, Engine Bay, Documents

Understanding VIN Structure for Recall Verification

Each character in your 2021 PETERBILT 579 17-digit VIN helps identify specific recalls affecting your vehicle. Learn how the VIN structure works for accurate recall lookup.

2021 PETERBILT 579 VIN Structure for Recall Verification - WMI, VDS, Check Digit, Model Year, Plant Code

How to Check 2021 PETERBILT 579 Recalls in 3 Steps

Locate Your VIN

Find the 17-character VIN on your 2021 PETERBILT 579 dashboard (visible through windshield), door jamb, engine bay, or vehicle documents.

Enter VIN in Checker

Input your VIN into our free recall checker tool above to search NHTSA database for safety recalls, TSBs, and service campaigns specific to your vehicle.

Review & Schedule Repair

Check the recall details including affected components, consequences, and remedy. Contact your PETERBILT dealer to schedule free recall repair appointment.

Frequently Asked Questions

How many recalls does the 2021 PETERBILT 579 have?

The 2021 PETERBILT 579 currently has 9 recalls according to NHTSA records. All recall information is sourced directly from the National Highway Traffic Safety Administration database.

Are 2021 PETERBILT 579 recalls free to fix?

Yes! All safety recalls for 2021 PETERBILT 579 vehicles must be repaired free of charge by authorized dealers, regardless of vehicle age or mileage. Contact your local PETERBILT dealer to schedule a recall repair.

How do I check if my 2021 PETERBILT 579 has open recalls?

You can check for open recalls by entering your VIN (Vehicle Identification Number) in our VIN decoder tool. The 17-character VIN can be found on your vehicle registration, insurance card, or on the driver's side dashboard visible through the windshield.

Where can I find my 2021 PETERBILT 579 VIN number?

Your 2021 PETERBILT 579 VIN is located in 4 places: (1) Dashboard near windshield on driver's side, (2) Driver's door jamb sticker, (3) Engine bay, (4) Vehicle registration and insurance documents.

What should I do if my 2021 PETERBILT 579 has a recall?

Contact your nearest PETERBILT dealership immediately to schedule a free recall repair. Bring your vehicle registration or VIN number. All safety recalls must be fixed free of charge by the manufacturer, regardless of vehicle age or mileage.

Are NHTSA recalls mandatory to fix on 2021 PETERBILT 579?

While not legally required for vehicle owners to fix recalls, it's strongly recommended for safety. However, dealerships and manufacturers must offer free repairs for all official NHTSA recalls on 2021 PETERBILT 579 vehicles.