2014 Kenworth T680 problems, complaints & recalls
Most-reported problem areas: Visibility:defroster/Defogger/Hvac System (2) · Visibility/Wiper (2) · Vehicle Speed Control (1)
🧭 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 (13)
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 2018-11-16 · campaign 18V816000 · 1,619 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2013-2019 Kenworth T680 and T880 and Peterbilt 579 trucks, greater than 30 feet long and equipped with side extender mounted intermediate marker lamp/turn signals that do not include a reflex reflector. Since both intermediate side marker lamps and reflex reflectors are required, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."
Risk: Missing reflex reflectors can reduce the vehicle's visibility to other drivers, increasing the risk of a crash.
Fix: PACCAR will notify owners and dealers will install reflex reflective tape, free of charge. The recall began January 15, 2019. Owners may contact PACCAR customer service at 1-918-259-3258. PACCAR's number for this recall is 18KWF, and 18PBC.
Exterior Lighting 2017-07-25 · campaign 17V471000 · 5,731 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2013-2017 Peterbilt 567 and 579 Kenworth T680 and T880 trucks equipped with optional spotlights. The spotlight circuit may not be adequately protected in the event of a short.
Risk: A short in the spotlight circuitry may increase the risk of a fire at the cab fuse block.
Fix: PACCAR will notify owners, and dealers will change the polyfuse switch in the spotlight circuit to a standard fuse, free of charge. The recall began on September 19, 2017. Owners may contact PACCAR customer service at 1-940-591-4220. PACCAR's number for this recall is 17KWC and 717-B.
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.
Power Train:driveline:driveshaft 2015-05-26 · campaign 15V310000 · 30 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain model year 2014 and 2015 Kenworth T660, T680, and T800 trucks manufactured January 29, 2013, to April 2, 2014, and 2013 Peterbilt 587 trucks manufactured on August 8, 2012. The affected trucks are built with a driveshaft that may not transmit power to the wheels due to weld failure from corrosion.
Risk: If the weld fails causing a loss of power to the rear wheels, the vehicle operator may be unable to move the vehicle, or may experience deceleration if the vehicle is in motion, increasing the risk of a vehicle crash.
Fix: PACCAR will notify owners, and dealers will replace the defective driveshafts, free of charge. The recall began on July 15, 2015. Owners may contact Kenworth customer service at 1-425-828-5000, or Peterbilt customer service at 1-940-591-4000. PACCAR's number for this recall is 15KWJ and 515-H.
Electrical System:alternator/Generator/Regulator 2015-05-08 · campaign 15V270000 · 1,494 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain model year 2014-2016 Kenworth T660, T680, T880 trucks manufactured February 18, 2013, to April 10, 2015, and 2011-2016 Peterbilt 386, 389, 567, 579, and 587 trucks manufactured December 13, 2010, to April 20, 2015. The affected trucks, equipped with PACCAR MX-13 engines and Delco-Remy 40SI alternators, have alternator charge cables that may chafe against a formed metal freon discharge line.
Risk: If the alternator cable rubs through its insulation, an electrical short may occur, increasing the risk of a fire.
Fix: PACCAR will notify owners, and dealers will reroute the alternator charge cable away from the metal freon line, free of charge. PACCAR issued an interim notification to owners on July 10, 2015. The recall began on September 16, 2015. Owners may contact Kenworth customer service at 1-425-828-5000 or Peterbilt customer service at 1-940-591-4000. PACCAR's numbers for this recall are 15KWE and 515-F.
Parking Brake 2014-01-29 · campaign 14V027000 · 86 vehicles
Defect: PACCAR Incorporated (PACCAR)is recalling certain model year 2013-2014 T660, and T680 vehicles manufactured from December 4, 2012, through September 17, 2013 and configured as a dead axle tandem with air disc brakes and spring brake delete options. The affected vehicles have the parking brake incorrectly placed on the non-driven rear axle.
Risk: If the parking brake is on the non-driven axle the vehicle could roll away when the parking brakes are set, resulting in an increased risk of a crash.
Fix: PACCAR will notify owners, and dealers will move the parking brake components to the forward wheel axle, free of charge. The recall began on April 9, 2014. Owners may contact PACCAR at 1-425-468-7400. Paccar's number for this recall is 14KWE.
Latches/Locks/Linkages 2014-01-24 · campaign 14V012000 · 11,056 vehicles
Defect: PACCAR Inc. is recalling certain model year 2013-2014 Kenworth T680 chassis manufactured January 1, 2012, through October 14, 2013, and Peterbilt 567 and 579 chassis manufactured January 20, 2012, through October 11, 2013, and equipped with Inteva-brand door latch assemblies. In the affected vehicles, the doors may lock permanently while closed or may be opened from the outside even after they have been locked.
Risk: If the door latch assembly becomes permanently locked while closed occupants could be prevented from exiting the vehicle in the event of a crash or fire, increasing the risk of injury.
Fix: PACCAR will notify owners, and dealers will replace the left and right door latch assemblies with new assemblies, free of charge. The recall began on March 25, 2014. Customers may contact Paccar at 1-425-468-8228. Kenworth's number for this recall is 14KWB. Peterbilt's number for this recall is 114-A.
Seat Belts 2014-01-24 · campaign 14V013000 · 10,414 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain model year 2014 Kenworth T660, T680, T700,T800, T880, W900, T440, T470, T370, T270, T170, C500, and C550 chassis manufactured between August 7, 2013, and October 31, 2013, and Peterbilt 320, 325, 330, 337, 348, 365, 367, 382, 384, 386, 388, 389, and 587 chassis manufactured between August 7, 2013, and November 3, 2013, and equipped with IMMI-brand L9 seat belt buckles. When the button is pressed to release the seat belt, the latch plate can becom
Risk: If the latch plate remains partially engaged after the button is pressed, egress from the vehicle could be hindered which would increase the risk of injury in the event of an emergency.
Fix: PACCAR will notify owners, and dealers will inspect and replace the seat belt buckles, as necessary, free of charge. The recall began on March 31, 2014. Owners may contact PACCAR at 1-425-468-7400. Kenworth's number for this campaign is 14KWC. Peterbilt's number for this campaign is 114-B.
Exterior Lighting:tail Lights 2013-12-05 · campaign 13V612000 · 5,087 vehicles
Defect: PACCAR Incorporated (Paccar) is recalling certain model year 2014 Kenworth T170, T270, T370, T440, T470, T660, T680, T700, T800, T880, C500 and W900 trucks manufactured July 1, 2013 through September 17, 2013. In the affected vehicles, the plastic housing of the Stop/Tail/Turn (STT) lamp can shrink and allow the light bulb to fall out of the mounted retention ring. As such, the Stop/Tail/Turn light would not be illuminated, and the vehicles do not conform to Federal Motor Vehicle Safety Standa
Risk: If the stop/tail/turn light is not illuminated, the driver's intentions would not be communicated, which increases the risk of a crash.
Fix: Kenworth will notify owners, and dealers will replace the defective STT lamps with new lamps. The recall began on February 4, 2014. Customers may contact Paccar at 1-425-468-7400. Kenworth's number for this recall is 13KWM.
Electrical System:ignition:switch 2013-05-28 · campaign 13V222000 · 1,773 vehicles
Defect: PACCAR is recalling certain model year 2014 Kenworth T170, T270, T370, T470, T660, T680, T800, T880, and W900 trucks manufactured May 6, 2013, through May 17, 2013; and model year 2014 Peterbilt 330, 337, 348, 365, 367, 382, 384, 386, 388, 389, 389K, 567, 579 and 587 trucks manufactured May 1, 2013 through May 17, 2013. An internal defect in the ignition switch causes the starter to engage when a key is partially inserted, before the key is turned.
Risk: Unintended engine startup could cause injury to a person working in the engine compartment. Vehicles with standard transmissions may experience unexpected movement, which may result in personal injury or a crash.
Fix: PACCAR will notify owners, and dealers will replace affected ignition switches, free of charge. The recall began on June 14, 2013. Owners may contact Kenworth at 1-425-828-5000 or Peterbilt at 1-940-591-4000. Kenworth's recall campaign number is 13KWF. Peterbilt's recall campaign number is 0513-E.
Seat Belts 2013-03-13 · campaign 13V091000 · 2,509 vehicles
Defect: PACCAR is recalling certain model year 2013-2014 Kenworth T680 and T880 trucks and model year 2013-2014 Peterbilt 567, 579 and 587 trucks equipped with air ride seats. The cables for anchoring the seat belt buckles of both the driver and passenger seat may fray.
Risk: In the event of a crash, a frayed seat belt could cause the belt to separate from the seat, increasing the risk of injury to the seat occupant.
Fix: PACCAR will notify owners, and dealers will replace both seat belt buckle assemblies, free of charge. The recall began on May 9, 2013. Owners may contact Kenworth at 1-425-828-5000 or Peterbilt at 1-940-591-4000.
Exterior Lighting 2013-02-13 · campaign 13V048000 · 2,019 vehicles
Defect: PACCAR is recalling certain model year 2013-2014 Kenworth T680 and T880 trucks, manufactured from January 18, 2012, through February 1, 2013; and model year 2013-2014 Peterbilt 579 and 567 vehicles, manufactured from January 20, 2012, through January 31, 2013. The Exterior Lights Self-Test switch is intended to be used when the vehicle is parked. If the switch is pressed while the vehicle is in motion, the Exterior Lights Self-Test switch will cause all exterior lighting to be extinguished.
Risk: An unexpected loss of lighting during vehicle operation may reduce the driver's ability to see other vehicles, pedestrians, or objects, as well as reduce the truck's visibility to other drivers or pedestrians, increasing the risk of crash.
Fix: PACCAR will notify owners, and dealers will disable the Exterior Lights Self-Test software parameter and remove the Exterior Lights Self-Test switch and install a switch plug in its place. The services will be offered free of charge. The recall began on February 28, 2013. Owners may contact Kenworth at 1-425-828-5000 or Peterbilt at 1-940-591-4000.
Service bulletins (43)
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."
Electrical System 2026-05-06 · 02-177 · Service Bulletin/Repair Instructions
troubleshooting procedures for 2.1m cab power windows are now available.
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 2022-08-03 · E296 · Service Bulletin/Repair Instructions
kenworth is providing guidance for paccar mx engine composite oil pan leak troubleshooting to avoid over-repairs and to provide warrantable repair guidance. oil leaks, if not repaired, can lead to severe engine damage.
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 .
Showing the 6 most recent of 43 bulletins. Search all of them free at nhtsa.gov.
What owners report
2022-02-04 · Electrical System · 🔥 fire“this truck was park. the paccar engine mx13 and chassis harness from the driver side shortaged, causing a fire in the back of the engine and abs harness under the steering shaft. plástic and rubber wire insulation melted with the fire causing it to drip on top of the water seperator cap which resulted in a fuel flame that caused even more damage th…”
2020-03-03 · Fuel/Propulsion System · 592,000 mi“apparently there is a failure of the fuel pump in most models of this cummins isx15 motor, tha when it does fail, shuts the truck down on highway, or worse, lik eit did to me....send metal shavings into the rest of the motor destroying the motor. there have been recalls for ceramic plungers, which i don't have...and recalls on many years this mod…”
2019-06-18 · Power Train · 480,050 mi“a vibration is felt during warm up and becomes very noticeable after shifting into 8th gear. if the air compressor kicks in while the engine is below 1300 rpms this also increases the vibration , again real bad shifting into 8th and air compressor running .note: i just bought this truck from kenworth sales company , salt lake city, ut i aint even…”
2018-06-02 · Engine · 500,000 mi“bunk wiring harness is shorting out causing truck to not be able to shut off with the key....and also causing problems with the def system....shops are telling us that there are trucks burning down from this faulty harness...and there has been a recall for this but kenworth is not fixing this harness and expects the owner to fix it ....…”
2017-03-03 · Vehicle Speed Control · 65,547 mi“this truck is a misbuild from the factory on the brake system plumbing. i am concerned other units may also have been built wrong. the traction control locks up the front drive axle brakes when the truck spins a tire and kills the engine causing damage to the differential and loss of control of the vehicle. i have identified that the servi…”
2017-02-07 · Visibility/Wiper · 423,057 mi“the defrost door has broken in this vehicle for a second time. the kenworth design is problematic and even the new parts only fix this for a short time. driver no longer has defrost when this happens making it an unsafe driving situation. vehicle was in motion at the time it broke.…”
2017-01-31 · Visibility:defroster/Defogger/Hvac System · 428,916 mi“this is the second time the defrost doors have broken in this vehicle leaving the driver in an unsafe driving condition. the first time was 4/25/16 the defrost doors in the t680 is weak and breaks often leaving the driver without any defrost causing his visibility to decrease in an unsafe manner. kenworth has been unwilling to address this issu…”
2017-01-31 · Visibility/Wiper · 346,275 mi“this is the first of 2 times the defrost doors have broken in this truck. the defrost doors in the t680 are weak and break often leaving the driver without any defrost causing his visibility to decrease in an unsafe manner. kenworth has been unwilling to address this issue and repair it. when i contacted our district service manager he knew the pa…”
2017-01-31 · Visibility:defroster/Defogger/Hvac System · 385,440 mi“the defrost door broke on this truck leaving the driver stranded with no defrost and ability to safely drive the vehicle until the windows cleared off. the defrost doors in the t680 is weak and breaks often leaving the driver without any defrost causing his visibility to decrease in an unsafe manner. kenworth has been unwilling to address this…”
2016-04-07 · Steering · 595,000 mi“the tie rod end disconnected from the shaft, there has been no work done to the steering since new. the pictures show that the dirt on the shaft has not been disturbed therefore this is a manufacturer defect and has not been tampered with at all. the vehicle was moving at slow speed in a parking lot. this could have been a major event at highway sp…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.