2027 Kenworth T680 problems, complaints & recalls
Most-reported problem areas: Steering (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 (4)
Seat Belts:rear/Other:webbing 2026-10-14 · campaign 26V674000 · 310 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2027 Peterbilt 567, 579, 589, Kenworth T680, T880, W900, and W990 vehicles. The belt restraint webbing for the sleeper bunk was not secured properly during manufacturing.
Risk: A bunk restraint with improperly secured webbing may fail to adequately restrain vehicle occupants during a crash, increasing the risk of injury.
Fix: Dealers will inspect and replace the bunk restraints, as necessary, free of charge. Owner notification letters are expected to be mailed December 13, 2026. Owners may contact Kenworth's customer service at 1-425-828-5888 and Peterbilt's customer service at 1-940-591-4220. PACCAR's number for this recall is 26PACH.
Seats:front Assembly:seat Heater/Cooler 2026-08-21 · campaign 26V544000 · 811 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2027 Peterbilt 567, 579, 589 and 2027 Kenworth T680, T880, and W990 vehicles. The seat ventilation harness may be missing heat-shrink, resulting in a short circuit.
Risk: A short circuit increases the risk of a fire.
Fix: Dealers will replace the harnesses, free of charge. Owner notification letters were mailed October 16, 2026. Owners may contact Peterbilt's customer service at 1-940-591-4220 or Kenworth's customer service at 1-425-828-5888. PACCAR's number for this recall is 26PACE.
Electrical System:wiring:power Distribution Module/Ipdm 2026-07-27 · campaign 26V485000 · 5,925 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2027 Peterbilt and Kenworth vehicles. Please see the recall report for a complete list of models. The power distribution center (PDC) box may be contaminated with oil, which could result in a loss of drive power, Antilock Brake System (ABS) functionality, exterior lighting, windshield wipers, or the defogging system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 103, "Windshield Defr
Risk: A loss of lighting, windshield wipers, ABS function, or a loss of drive power can increase the risk of a crash.
Fix: Dealers will inspect the PDC serial numbers, and replace the PDC boxes as necessary, free of charge. Owner letters were mailed September 23, 2026. Owners may contact Peterbilt's customer service at 1-940-591-4220 and Kenworth's customer service at 1-425-828-5888. PACCAR's number for this recall is 26PACD.
Service Brakes, Air:supply:quick Release Valve 2026-07-08 · campaign 26V442000 · 8 vehicles
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2026-2027 Peterbilt 579 and 2027 Kenworth T680 tractors. The trailer air connection quick release (QR) valve in the air brake system may have been incorrectly installed, which can cause the trailer to become unstable after the driver applies the brakes. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
Risk: An incorrectly installed quick release valve that does not function properly can increase the risk of a crash.
Fix: Paccar inspected and reinstalled the valves, as necessary, free of charge. All affected tractors have been repaired and therefore no owner notification letters are necessary. Owners may contact Peterbilt's customer service at 1-940-591-4220 and Kenworth's customer service at 1-425-828-5888. PACCAR's number for this recall is 26PACC.
Service bulletins (12)
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.
Electrical System 2026-10-23 · 37-007 · Service Bulletin/Repair Instructions
eaton service bulletin taib-1026 instructs dealers to update the master switch module (msm) software. the update must be completed before performing a davie4 learn dash switches procedure to fix intermittent dash switch functionality.
Engine 2026-10-16 · E340 · Service Bulletin/Repair Instructions
additional chassis have been added to the population
Electrical System 2026-10-16 · 26PACE · Service Bulletin/Repair Instructions
certain gra-mag seats have an internal seat harness manufactured without heat-shrink on the resistor/diode ends in a harness splice. missing heat-shrink may cause a short circuit condition.
Structure:body 2026-10-01 · 02-206 · Service Bulletin/Repair Instructions
certain t680 next gen short hood chassis may be missing a bolt in the forward fairing.
Electrical System 2026-09-19 · 26PACD · Service Campaign
"the pkc group power distribution center (pdc) in certain vehicles may be contaminated with oil, which could result in a loss of power to the engine, antilock brake system, exterior lighting, windshield wipers, and/or defrost system. this issue may also result in non-compliance with multiple federal
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."
Showing the 6 most recent of 12 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-09-11 · Steering“on xxx, while operating a 2027 kenworth t680, vin [xxx], at approximately 64 mph on [xxx], the truck experienced a sudden electrical and control-system failure while in motion. the steering became extremely difficult or unresponsive, and the wheels or brakes appeared to lock, creating an immediate risk of a serious collision. i was able to bring th…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.