2020 Kenworth T680 Problems, Complaints & Recalls
- Compared with other T680 years
- Not enough data 5th of 17 for complaints
- Safety recalls
- 8 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 8 complaints with NHTSA about the 2020 Kenworth T680. That ranks 5th out of 17 T680 model years for complaints. The most reported problem area is power train (5 complaints, 63%). There are 8 safety recalls covering this model year.
- 8owner complaints
- 8safety recalls
- 0NHTSA investigations
- 0complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2020 Kenworth T680 problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Power Train | 5 | 63% | — | — | — |
| Service Brakes | 2 | 25% | 47,000 | — | — |
| Forward Collision Avoidance | 1 | 13% | — | — | — |
| Unknown or Other | 1 | 13% | — | — | — |
| Vehicle Speed Control | 1 | 13% | 47,000 | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2020 Kenworth T680 recalls (8)
Tap a recall to see the problem, the risk and the fix.
Service brakes, air:supply:reservoir/tank
Problem: 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."
Risk: Insufficient air volume can reduce braking performance and increase the risk of a crash.
Fix: 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.
Steering: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.
Electrical 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.
Service brakes, air:antilock
Problem: 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."
Risk: Longer than expected service-brake release timing may lengthen vehicle stopping distance, increasing the risk of a crash.
Fix: 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.
Service brakes, air:antilock:abs warning light; electronic stability control (esc)
Problem: PACCAR Incorporated (PACCAR) is recalling certain 2008-2019 Peterbilt 330, 335, 337, 340, 348, 365, 367, 384, 386, 387, 388, 389, 567, 579 and 587 vehicles and 2008-2020 Kenworth T170, T270, T370, T660, T680, T800, T880, and W900 vehicles equipped with NAMUX Software. In the event that the Anti-lock Brake System (ABS) loses battery and/or ignition power to the controller, the dash warning light for the ABS may not illuminate to warn the driver of the loss of ABS. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems," and 136, "Electronic Stability Control System on Heavy Vehicles."
Risk: If the driver unknowingly operates the vehicle without the ABS functioning, there would be an increased risk of a crash.
Fix: PACCAR will notify owners, and dealers will update the NAMUX software within the cab control module, free of charge. PACCAR issued owners an interim notification on June 4, 2020. The recall began May 26, 2020. Owners may contact Kenworth customer service at 1-425-828-5888 or Peterbilt customer service at 1-940-591-4220. PACCAR's number for this recall is 20pbc AND 20KWB.
Visibility: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.
Parking brake
Problem: PACCAR Incorporated (PACCAR) is recalling certain 2018-2020 T680 and T880 tandem axle vehicles equipped with a parking brake on a single axle and certain models of automated manual transmissions. During cold temperatures, the signal from the park brake pressure switch to the transmission controller may be delayed possibly resulting in the vehicle moving unexpectedly.
Risk: Unexpected vehicle movement may increase the risk of a crash or injury.
Fix: PACCAR will notify owners and dealers will replace the park brake pressure switch, free of charge. PACCAR issued owners and interim notification on June 3, 2019. The recall began August 6, 2019. Owners may contact PACCAR customer service at 1-918-259-3258. PACCAR's number for this recall is 19KWB.
Suspension:rear:axle:non-powered axle assembly
Problem: PACCAR Incorporated (PACCAR) is recalling certain 2020 Kenworth T680, T800, T880, W900 and W990 trucks. The rear axles may not contain oil.
Risk: Without lubricating oil, the bearings, hub and axle shafts may wear, resulting in the separation of a wheel end from the axle, increasing the risk of a crash.
Fix: Paccar will notify owners, and Kenworth dealers will inspect all of the rear axles for the presence of oil. If no oil is present, the wheels ends will be removed and the bearings, hub and axle shaft will be inspected for damage. If excessive wear or heat damage is evident, the components will be replaced, as necessary. Oil will then be added per the axle specifications. These repairs will be performed free of charge. The recall began April 16, 2019. Owners may contact Kenworth customer service at 1-425-828-5888. Paccar's number for this recall is 19KWA.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
Right-hand shift stalk between the shifter and the transmission is causing the vehicle to become disabled while stopped and unable to go from forward to reverse. Also getting SPN 639 pop-up when communication has been lost between the engine control module (ECM) and SAE J1939 data link. The check…
The clutch Spring on these trucks have been failing heavily. We have a couple more of these trucks and they all have the same issue. the housing for the clutch springs are cracked or damaged at less than 500,000 miles on a heavy duty truck. These clutches are supposed to last over 1MM miles. Its…
My circumstances are EXACTLY as described in a release 12/19/2019 Tech Service Bulletin A002 I experienced the vibration in my steering wheel that caused me to be suspect that there was something wrong in the drive train. Upon further investigation. I noticed that an oil seal was leaking, and when…
Throw out bearing failed prematurely. Truck only has 491,000 miles and has had a catastrophic failure resulting in a $29,000 repair bill. I have 4 other trucks like this and they are all showing signs of the same thing.
The clutch has a loose spring, Fork is damaged. Throwout bearing worn.
Other Kenworth T680 years
| Year | Complaints | Recalls |
|---|---|---|
| 2027 T680 | 1 | 3 |
| 2026 T680 | 0 | 2 |
| 2025 T680 | 0 | 9 |
| 2024 T680 | 5 | 7 |
| 2023 T680 | 9 | 9 |
| 2022 T680 | 2 | 10 |
| 2021 T680 | 0 | 7 |
| 2020 | 8 | 8 |
| 2019 T680 | 8 | 9 |
| 2018 T680 | 11 | 15 |
| 2017 T680 | 9 | 11 |
| 2016 T680 | 6 | 16 |
| 2015 T680 | 8 | 11 |
| 2014 T680 | 10 | 13 |
| 2013 T680 | 0 | 13 |
| 2012 T680 | 0 | 2 |
| 2011 T680 | 0 | 2 |
See all Kenworth T680 problems by year, every Kenworth model, or the VIN decoder.
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Frequently asked questions
What are the most common problems with the 2020 Kenworth T680?
Owners most often report power train, service brakes, forward collision avoidance problems. The top one, power train, accounts for 5 complaints.
Was there a recall on the 2020 Kenworth T680?
Yes, 8 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2020 Kenworth T680 a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other T680 model years, the 2020 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.