2012 Kenworth T680 problems, complaints & recalls
🧭 Reliability snapshot
Compared against other Kenworth T680 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (2)
Electronic Stability Control (Esc) 2020-04-06 · campaign 20V199000 · 460,515 vehicles
Defect: 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
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.
Exterior Lighting:hazard Flashing Warning Lights 2015-07-22 · campaign 15V458000 · 12,551 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain model year 2011-2016 Kenworth T440, T470, T660, T680, and T880 trucks manufactured January 14, 2010, to May 22, 2015, and equipped with HID Headlamps and the option for Daytime Running Lamps (DRL). The DRLs are required to deactivate when the hazard warning lights are activated, however, the DRLs on these vehicles override the hazard flashing functionality after the brake pedal is pushed for more than two seconds. Normal hazard flashing functio
Risk: If the hazard warning lamps are overridden by the DRL, oncoming vehicles may fail to be warned, increasing the risk of a crash.
Fix: Kenworth will notify owners, and dealers will update the cab controller software, free of charge. The recall began on September 167, 2015. Owners may contact Kenworth customer service at 1-425-828-5000. Kenworth's number for this recall is 15KWL.
Service bulletins (28)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Engine 2026-09-11 · P001 · Service Bulletin/Repair Instructions
"kenworth: dealers should check the chassis list and sir weekly for vin changes. 2 chassis added to the chassis list. peterbilt: dealers should check the chassis list and sir weekly for vin changes. 10 chassis added to the chassis list."
Service Brakes, Air 2024-04-09 · 24KWD · Service Bulletin/Repair Instructions
certain c500/t440/t470/t660/t680/t800/t880/w900 chassis may have air tank reservoirs that do not meet air volume requirements per fmvss/cmvss 121 ã¢ââair brake systemsã¢ââ. this bulletin will be updated when repair parts and procedures are available.
Fuel System, Other:fuel Filter 2023-02-24 · 03-087 (E295) · Service Bulletin/Repair Instructions
certain model year 2021-2024 chassis with paccar mx engines and optional fuel filter restriction virtual gauge may display incorrect restriction levels. the virtual gauge will be temporarily disabled until a revised sensor strategy is developed.
Engine And Engine Cooling 2021-06-14 · 21KWD · Service Bulletin/Repair Instructions
information only â c hassis equipped with my2021 b epa emission s standards will be shipped through atleast the end of the 2021 calendar year without particulate matter (pm) sensors installed .
Engine And Engine Cooling 2021-02-25 · 32-018 · Service Bulletin/Repair Instructions
non-safety campaign â chassis with the city horn option may generate unexpected alerts. a vecu software update is available to resolve the issue.
Electrical System 2021-02-25 · 32-017 · Service Bulletin/Repair Instructions
non-safety campaign â the batteries may drain quickly due to the vecu not going to sleep. updated vecu software is available to resolve the issue.
Showing the 6 most recent of 28 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.