2021 KENWORTH T680 Recalls

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All Recalls

PACCAR Incorporated (PACCAR) is recalling certain 2016-2021 Kenworth T680 trucks equipped with a 2.1m Cab and WABCO 6S/6M ABS brake system with drum brakes. The brake systems were manufactured with a standard rear-brake ABS modulator valve instead of a quick release valve, which may exceed the intended service-brake release timing. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."

NHTSA 20V593000

Report Date

28/09/2020

Component

SERVICE BRAKES, AIR:ANTILOCK

Manufacturer

PACCAR Incorporated

Consequence: Longer than expected service-brake release timing may lengthen vehicle stopping distance, increasing the risk of a crash.

Remedy / Corrective Action

PACCAR will notify owners, and dealers will replace the standard rear-brake, ABS modulator valve with a quick release valve, free of charge. The recall began November 30, 2020. Owners may contact PACCAR customer service at 1-425-828-5888. PACCAR's number for this recall is 20KWD.

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 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 2009-2021 Kenworth C500, 2012-2021 Kenworth T440, 2009-2015 Kenworth T660, 2015-2024 Kenworth T680, 2009-2024 Kenworth T800, 2009-2020 Kenworth T370, 2014-2023 Kenworth T880, 2011-2016 Kenworth T470, 2023 Kenworth T480, and 2009-2019 Kenworth W900 vehicles. The air tanks have an insufficient volume of air for the brake system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."

NHTSA 24V145000

Report Date

23/02/2024

Component

SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK

Manufacturer

PACCAR Incorporated

Consequence: Insufficient air volume can reduce braking performance and increase the risk of a crash.

Remedy / Corrective Action

Dealers will install the correct volume air tanks, free of charge. Owner notification letters were mailed August 12, 2024. Additional owner notification letters were mailed October 27, 2025. Owners may contact PACCAR customer service at 1-425-828-5888. PACCAR's number for this recall is 24KWD.

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.

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.

NHTSA 25V181000

Report Date

24/03/2025

Component

ELECTRICAL SYSTEM:PROPULSION SYSTEM

Manufacturer

PACCAR Incorporated

Consequence: A loss of drive power increases the risk of a crash.

Remedy / Corrective Action

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.

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Where to Find VIN for Recall Check

To check for recalls on your 2021 KENWORTH T680, you'll need the VIN number. Find your VIN in one of these 4 common locations.

Where to Find VIN Number on 2021 KENWORTH T680 for Recall Lookup - Dashboard, Door Jamb, Engine Bay, Documents

Understanding VIN Structure for Recall Verification

Each character in your 2021 KENWORTH T680 17-digit VIN helps identify specific recalls affecting your vehicle. Learn how the VIN structure works for accurate recall lookup.

2021 KENWORTH T680 VIN Structure for Recall Verification - WMI, VDS, Check Digit, Model Year, Plant Code

How to Check 2021 KENWORTH T680 Recalls in 3 Steps

Locate Your VIN

Find the 17-character VIN on your 2021 KENWORTH T680 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 KENWORTH dealer to schedule free recall repair appointment.

Frequently Asked Questions

How many recalls does the 2021 KENWORTH T680 have?

The 2021 KENWORTH T680 currently has 7 recalls according to NHTSA records. All recall information is sourced directly from the National Highway Traffic Safety Administration database.

Are 2021 KENWORTH T680 recalls free to fix?

Yes! All safety recalls for 2021 KENWORTH T680 vehicles must be repaired free of charge by authorized dealers, regardless of vehicle age or mileage. Contact your local KENWORTH dealer to schedule a recall repair.

How do I check if my 2021 KENWORTH T680 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 KENWORTH T680 VIN number?

Your 2021 KENWORTH T680 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 KENWORTH T680 has a recall?

Contact your nearest KENWORTH 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 KENWORTH T680?

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 KENWORTH T680 vehicles.