ELECTRONIC STABILITY CONTROL (ESC); SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
2014 Kenworth T680
Recalls, owner-reported complaints, investigations and safety data
Data refreshed
Overview
Our database contains 10 NHTSA owner-reported complaints for the 2014 Kenworth T680, most frequently naming the visibility, engine and powertrain (other) categories. 13 safety recalls have been issued covering this model year; and 42 manufacturer communications are on file.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Complaint activity over time
When owners filed reports about this model year
View as table
| Month | Complaints filed | Cumulative |
|---|---|---|
| Apr 2016 | 1 | 1 |
| Jan 2017 | 3 | 4 |
| Feb 2017 | 1 | 5 |
| Mar 2017 | 1 | 6 |
| Jun 2018 | 1 | 7 |
| Jun 2019 | 1 | 8 |
| Mar 2020 | 1 | 9 |
| Feb 2022 | 1 | 10 |
What owners report
Complaints grouped by the component NHTSA recorded
- Visibility425.0%
- Engine318.8%
- Powertrain (other)212.5%
- Electrical212.5%
- Driver assistance212.5%
- Fuel system16.3%
- Brakes16.3%
- Steering16.3%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Safety recalls
13 campaigns cover this model year
Recalls apply to specific vehicles, not to every vehicle of a model year. Check your VIN with NHTSA or your manufacturer's dealer to confirm whether a recall affects your vehicle.
Check a VIN on NHTSA.govEXTERIOR LIGHTING
ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; EXTERIOR LIGHTING
Recent owner complaints
Reports submitted to NHTSA, shown in the owner's own words
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 throughought the outstanding components. This problem could've resulted in total loss of the unit.
- NHTSA ID
- 11450487
- Incident
- Jan 29, 2022
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 MODEL WAS MANUFACTURED. I HAVE AN EXTENDED MAJOR COMPONENT WARRANTY THAT CUMMINS WILL NOT HONOR SINCE THE FUEL PUMP FAILURE IS NOT COVERED.....DEALER HAS WITNESSED MANY FAILURES OF THE FUEL PUMPS AND NOT ALWAYS COVERED...EVEN THOUGH REPAIR OR REPLACEMENT OF ENGINE IS IN EXCESS OF $20000 TO $35000 FOR A NEW REPLACEMENT. THIS NEEDS TO BE ADDRESSED WITH CUMMINS !!
- NHTSA ID
- 11315835
- Incident
- Mar 3, 2020
- Mileage
- 592,000 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 PUT 2,000 MILES ON THE TRUCK, WHAT KINDA OF DECEITFUL ETHICS VIOLATIONS ARE PRACTICED FROM THIS DEALERSHIP?
- NHTSA ID
- 11220806
- Incident
- Jun 15, 2019
- Mileage
- 480,050 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 ....
- NHTSA ID
- 11099334
- Incident
- Jan 18, 2018
- Mileage
- 500,000 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 SERVICE BRAKE AIR LINES ARE HOOKED UP INCORRECTLY FROM THE FACTORY, NOT GOING THROUGH THE ABS MODULATOR VALVE. THIS ALLOWS FULL BRAKE APPLICATION TO THE FRONT DRIVE AXLE SERVICE BRAKES WHEN THE TRACTION CONTROL ENGAGES. IT ALSO MAKES THE TRUCK SO THE ABS BRAKE FUNCTION IS NOT ABLE TO FUNCTION. WE HAVE BLOWN APART 2 FRONT DIFFERENTIAL UNITS RENDERING THE TRUCK UNABLE TO MOVE. OFTEN WHEN THIS HAPPENS IT KILLS THE ENGINE SO NOW YOU ALSO LOOSE POWER STEERING CONTROL. THIS IS AN EXTREMELY UNSAFE AND ILLEGAL BUILD ON THIS TRUCK. ABS IS REQUIRED BY DOT LAW AND THIS TRUCK DOES NOT HAVE FULL ABS FUNCTION. I HAVE CONTACTED BENDIX, THE MAKER OF THE ABS AND TRACTION CONTROL THEY HAVE CONFIRMED THE WAY THIS IS HOOKED UP WILL CAUSE THE BRAKES TO LOCK UP. I HAVE ATTACHED PICTURES OF THE VALVE, YOU WILL NOTICE THAT ONE AIR LINE COMES FROM THE MODULE WHICH GOES TO THE REAR BRAKE. THE OTHER AIR LINE COMES DIRECTLY OUT OF THE ATR6 BRAKE VALVE, THIS LINE GOES DIRECTLY TO THE FRONT DRIVER SERVICE BRAKE. IT SHOULD ALSO BE RUN THROUGH THE MODULATOR VALVE FOR PROPER FUNCTION. THIS HAS HAPPENED AT ALL SPEEDS IN ICY SITUATIONS. IT HAS HAPPENED ON MOUNTAIN PASSES AND LEAVES THE DRIVER WITH NO CONTROL. URGENT ACTION REQUIRED PLEASE. THIS HAS BEEN GOING ON FOR 3 YEARS, WE HAVE SPENT MANY HOURS TRYING TO FIGURE OUT WHY THIS TRUCKS BRAKES LOCK UP. WE HAVE THE KENWORTH DEALER ALSO LOOK AT IT AND THEY DID NOT FIND THE ISSUE EITHER. CURRENTLY THIS TRUCK IS AT THE KENWORTH DEALER WITH A REQUEST FOR THEM TO REPAIR IT AND REIMBURSE US OUR COSTS.
- NHTSA ID
- 10958529
- Incident
- Apr 14, 2014
- Mileage
- 65,547 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.
- NHTSA ID
- 10950084
- Incident
- Feb 7, 2017
- Mileage
- 423,057 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 ISSUE AND REPAIR IT. WHEN I CONTACTED OUR DISTRICT SERVICE MANAGER HE KNEW THE PART NUMBER OF THE REPLACEMENT DOOR ASSEMBLY AND STATED IN AN EMAIL BACK TO ME THAT KENWORTH HAS IDENTIFIED THE ISSUE AND IS WORKING TO FIX IT ON FUTURE MODELS. LABOR TO REPAIR THIS IS OVER $3000 AND THE PART IS ANOTHER $886. WE HAVE 12 OF THESE VEHICLES, SO FAR 5 OF THE 12 HAVE BROKEN LEAVING MORE THAN ONE DRIVER STRUGGLING TO GET OFF THE HIGHWAY BEFORE HIS WINDOW FOGGED UP SO BAD HE BECAME UNSAFE TO DRIVE. THE VEHICLES ARE IN MOTION WHEN THESE DEFROST DOORS BREAK AND IT CREATES A VERY UNSAFE SITUATION AS TRUCKS CAN NOT JUST PULL OVER ANY SPOT THEY CHOOSE ON THE HIGHWAYS AND WAIT FOR A WINDOW TO THAW OUT. THERE ARE 2 ISSUES THAT HAPPEN ON THESE DOORS. 1 THE DOOR IS OVERFLEXED BY THE ELECTRIC ACTUATOR MOTOR AND SNAPS THE DRIVE COGS OFF OF THE DOOR. 2 THE DOORS EITHER SHRINK OR ARE TOO SMALL TO BEGIN WITH AND THE DRIVE COG DOES NOT MAKE FULL CONTACT WITH THE ACTUATOR MOTOR CAUSING THE TEETH TO STRIP OUT AS IN THE PHOTOS ATTACHED. THE DRIVE COG SHOULD BE EXTRUDED FROM THE HOUSING BUT AS YOU CAN SEE ARE SHRUNK INSIDE THE HOUSING. *TR
- NHTSA ID
- 10948723
- Incident
- Sep 6, 2016
- Mileage
- 385,440 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 ISSUE AND REPAIR IT. WHEN I CONTACTED OUR DISTRICT SERVICE MANAGER HE KNEW THE PART NUMBER OF THE REPLACEMENT DOOR ASSEMBLY AND STATED IN AN EMAIL BACK TO ME THAT KENWORTH HAS IDENTIFIED THE ISSUE AND IS WORKING TO FIX IT ON FUTURE MODELS. LABOR TO REPAIR THIS IS OVER $3000 AND THE PART IS ANOTHER $886. WE HAVE 12 OF THESE VEHICLES, SO FAR 5 OF THE 12 HAVE BROKEN LEAVING MORE THAN ONE DRIVER STRUGGLING TO GET OFF THE HIGHWAY BEFORE HIS WINDOW FOGGED UP SO BAD HE BECAME UNSAFE TO DRIVE. THE VEHICLES ARE IN MOTION WHEN THESE DEFROST DOORS BREAK AND IT CREATES A VERY UNSAFE SITUATION AS TRUCKS CAN NOT JUST PULL OVER ANY SPOT THEY CHOOSE ON THE HIGHWAYS AND WAIT FOR A WINDOW TO THAW OUT. *TR
- NHTSA ID
- 10948720
- Incident
- Dec 12, 2016
- Mileage
- 428,916 mi
Manufacturer communications
A bulletin sent by a manufacturer to its dealers. Not a recall, and repairs are not necessarily free.
ELECTRICAL SYSTEM
Troubleshooting procedures for 2.1m cab power windows are now available.
SERVICE BRAKES, AIR
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 âÂÂAir Brake SystemsâÂÂ. This bulletin will be updated when repair parts and procedures are available.
ENGINE AND ENGINE COOLING; FUEL SYSTEM, OTHER:FUEL FILTER
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
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
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
An engine software update is required to resolve OBD system readiness, DEF doser diagnostics, and otherOBD system software related issues.
Manufacturers file copies of the bulletins they send to dealers with NHTSA. These often describe diagnostic or repair procedures for a known condition. They are not recalls: repairs described in a bulletin are usually only free if the vehicle is still under warranty or the manufacturer has extended coverage.
Compare model years
Complaint and recall counts across every year of this model
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers. Older model years have had longer for reports to accumulate.