2018 KENWORTH T680

15 recalls, 17 complaints - 89 TSBs

SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK

Defect Description

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 ve... Read more

Consequence

Insufficient air volume can reduce braking performance and increase the risk of a crash.

Remedy

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.

936 vehicles affected

Manufacturer: PACCAR Incorporated

STEERING:CRITICAL FASTENERS

Defect Description

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 ... Read more

Consequence

Fastener failure can result in a loss of steering control, increasing the risk of a crash or injury.

Remedy

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.

17,641 vehicles affected

Manufacturer: PACCAR Incorporated

ELECTRICAL SYSTEM:WIRING

Defect Description

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... Read more

Consequence

The operator may be unaware of a system malfunction or the presence of excessive methane levels, increasing the risk of injury or fire.

Remedy

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.

1,107 vehicles affected

Manufacturer: PACCAR Incorporated

SERVICE BRAKES, AIR:ANTILOCK

Defect Description

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 inte... Read more

Consequence

Longer than expected service-brake release timing may lengthen vehicle stopping distance, increasing the risk of a crash.

Remedy

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.

1,416 vehicles affected

Manufacturer: PACCAR Incorporated

SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT

Defect Description

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-lo... Read more

Consequence

If the driver unknowingly operates the vehicle without the ABS functioning, there would be an increased risk of a crash.

Remedy

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 se... Read more

460,515 vehicles affected

Manufacturer: PACCAR Incorporated

PARKING BRAKE

Defect Description

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... Read more

Consequence

Unexpected vehicle movement may increase the risk of a crash or injury.

Remedy

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 19KW... Read more

1,837 vehicles affected

Manufacturer: PACCAR Incorporated

POWER TRAIN:CLUTCH ASSEMBLY

Defect Description

PACCAR Incorporated (PACCAR) is recalling certain 2018-2019 Peterbilt 337, 348, 365, 367, 389, 567, 579 and 587 trucks and 2018-2019 Kenworth C500, T270, T370, T440, T660, T680, T800, T880 and W900 trucks equipped with automated manual transmissions. An internal component in the clutch assembly may... Read more

Consequence

Unintended movement of a vehicle can increase the risk of a crash.

Remedy

PACCAR will notify owners, and dealers will update the transmission control module, free of charge. The recall began February 23, 2019. Owners may contact PACCAR customer service at 1-940-591-4220. PACCAR's numbers for this recall are 18PBE and 18KWH.

25,556 vehicles affected

Manufacturer: PACCAR Incorporated

SEAT BELTS:FRONT:BUCKLE ASSEMBLY

Defect Description

PACCAR Incorporated (PACCAR) is recalling certain 2018 Kenworth T680 and T880, and Peterbilt 567 and 579 trucks. The seat belt buckle assemblies on these vehicles may have been glued and not sewn during manufacturing, possibly causing the assembly to come apart under load, such as in the event of a... Read more

Consequence

If the seat belt buckle assembly separates, it can prevent the occupant from being properly restrained in the event of a crash, increasing the risk of a crash.

Remedy

PACCAR will notify owners, and dealers will replace the seat belt buckle assemblies that were not sewn, free of charge. PACCAR issued owners an interim notification on February 4, 2019. The recall began February 28, 2019. Owners may contact PACCAR customer service at 1-918-259-3258. PACCAR's numb... Read more

6,857 vehicles affected

Manufacturer: PACCAR Incorporated

EXTERIOR LIGHTING

Defect Description

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 ... Read more

Consequence

Missing reflex reflectors can reduce the vehicle's visibility to other drivers, increasing the risk of a crash.

Remedy

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.

1,619 vehicles affected

Manufacturer: PACCAR Incorporated

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

Defect Description

PACCAR Incorporated (PACCAR) is recalling certain 2017-2019 Kenworth C500, T600, T660, T680, T800, T880 and W900 trucks, as well as Peterbilt 367, 386, 389, 567, 579 and 587 trucks, equipped with Cummins ISX15 or X15 diesel engines. In certain driving conditions, such as on a long down-hill grade, ... Read more

Consequence

If the fuel line bursts, fuel may leak onto the road resulting in a roadway hazard for other motorists. The engine may also stall without warning, resulting in the vehicle's inability to restart, increasing the risk of a crash.

Remedy

Cummins will notify owners, and dealers will replace the suspect fuel pump cooling circuit screen, free of charge. The recall began November 21, 2018. Owners may contact PACCAR customer service at 1-940-591-4220. PACCAR's number for this recall is 18E081.

48,896 vehicles affected

Manufacturer: PACCAR Incorporated

SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT

Defect Description

PACCAR Incorporated (PACCAR) is recalling certain 2017-2018 Peterbilt 567 and 579 trucks and 2015-2018 Kenworth T660, T680, T800, T880 and W900 trucks. 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 no... Read more

Consequence

If the driver unknowingly operates the vehicle without the ABS functioning, there would be an increased risk of a crash.

Remedy

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 July 30, 2018. Owners may contact Peterbilt customer service at 1-918-259-3258 or Kenworth customer service at 1-425-828-5000.

85,626 vehicles affected

Manufacturer: PACCAR Incorporated

POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL)

Defect Description

PACCAR Incorporated (PACCAR) is recalling certain 2017-2018 Kenworth T680 and T880 trucks, and Peterbilt 567 and 579 trucks, all equipped with an automated Eaton UltraShift Plus or Eaton Advantage Transmission with right hand stalk shifter. The display that indicates which transmission gear the dri... Read more

Consequence

A truck that does not move as expected can increase the risk of a crash.

Remedy

PACCAR will notify owners, and dealers will install a transmission software update, free of charge. The recall began on March 9, 2018. Owners may contact Kenworth customer service at 1-425-828-5000 or Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall is 18KWA and 118-A... Read more

1,938 vehicles affected

Manufacturer: PACCAR Incorporated

POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

Defect Description

PACCAR Incorporated (PACCAR) is recalling certain 2018 Peterbilt 567, 579, Kenworth T680, and T880 trucks, equipped with certain Eaton Endurant and PACCAR AMT transmissions. The transmission control module (TCM) may allow the engine to crank briefly even if the transmission shifter is not in neutra... Read more

Consequence

If the transmission is not in neutral when the engine begins running, there may be unintended vehicle movement, increasing the risk of a crash.

Remedy

PACCAR will notify owners, and dealers will update the TCM software, free of charge. The recall began February 6, 2018. Owners may contact Peterbilt customer service at 1-940-591-4000, or Kenworth customer service at 1-425-828-5000. PACCAR's numbers for this recall are 1217F and 1717KWF.

1,222 vehicles affected

Manufacturer: PACCAR Incorporated

FUEL SYSTEM, DIESEL

Defect Description

PACCAR Incorporated (PACCAR) is recalling certain 2017-2018 Peterbilt 367, 389, 567, 579 and 587 trucks, and 2018 Kenworth C500, T680, T800, T880 and W900 trucks equipped with Cummins ISX 15L engines. These engines have a fuel pump whose drive gear could possibly slip on its drive shaft, causing a ... Read more

Consequence

An engine stall can increase the risk of a crash.

Remedy

Cummins will notify the vehicle purchaser, and Cummins dealers will replace the fuel pumps, free of charge. The recall began July 1, 2017. Owners may contact Cummins customer service at 1-800-286-6467 or PACCAR customer service at 1-425-468-7400. PACCAR's number for this recall is C1909.

1,737 vehicles affected

Manufacturer: PACCAR Incorporated

FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

Defect Description

PACCAR Incorporated (PACCAR) is recalling certain 2015-2018 Kenworth K370, T680, T880 and 2017-2018 Peterbilt 567 and 579 trucks. The plastic fuel tee fittings on these trucks may leak fuel.

Consequence

A fuel leak in the presence of an ignition source can increase the risk of a fire.

Remedy

Kenworth and Peterbilt will notify owners, and dealers will replace the suspect fuel tees, free of charge. The recall began on April 13, 2017. Owners may contact Kenworth customer service at 1-425-828-5000 and Peterbilt customer service at 1-940-591-4000. PACCAR's numbers for this recall is 17KWA... Read more

465 vehicles affected

Manufacturer: PACCAR Incorporated

Complaint Statistics

17 total complaints 1 fires

Top Reported Components

Component	Complaints
SERVICE BRAKES	5
SEAT BELTS	2
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL	2
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING	2
POWER TRAIN	1
UNKNOWN OR OTHER	1
SEATS	1
VISIBILITY/WIPER	1
ELECTRICAL SYSTEM	1
PARKING BRAKE	1

Incident date: Dec 27, 2024

The contact owns a 2013 Toyota Prius V. The contact stated while driving 35-40 MPH, the ABS, traction control, parking brake, and the malfunction indicator warning lights were illuminated. Additionally, the brake pedal vibrated while being depressed. The vehicle was taken to the dealer, and DTC: C13... Read more

Incident date: Apr 18, 2023

Massive safety liability here. My 2019 Audi A6 was on the highway traveling at 75mph on 4/25/2023 at noon when with no prior warning, all of the electrical systems started failing rapidly. In the course of 90 seconds, there was an electrical malfunction warning, quickly followed by malfunction warni... Read more

Incident date: Apr 18, 2023

While driving the pre-collision system (PCS) turns on unexpectedly, without any warning lights or sounds, and applies the brakes. This happens when I am driving in traffic with plenty of space between the car in front of me. I typically drive between 3-6 seconds behind the car in front of me to al... Read more

Incident date: Jul 20, 2022

The air dryer bracket part number G11-6218 was craked and because of that it wasn't secured to the frame. The air dryer was hanging on the airline with the piece of the broken bracket. It is not secured. That is extremely unsafe because it could brake airlines and trucks would lose its brakes.

Incident date: Jun 14, 2021

I started the truck after not driving for 1 day and a heavy rain storm the day prior. I attempted to drive bobtail when the brakes locked up. The traction control light came on then went back off. Then the adaptive cruise control notification came on. The regon came on then went back off. A speedom... Read more

Incident date: Jun 12, 2021

Seat belt frame cover was cracked and seat belt would not retract. The other side was broken as well with casing coming off. I was in the middle of backing for a delivery and the driver seat retract would not stay in place and the seat kept folding forward causing me to not be able to back the truck... Read more

Incident date: Jun 12, 2021

Incident date: Jun 14, 2021

Incident date: May 4, 2021

AUTOMATIC EMERGENCY BRAKING IS AN ABSOLUTE DANGER TO THE MOTORING PUBLIC AND NEEDS TO BE ELIMINATED IMMEDIATELY. I AM SICK AND TIRED OF ENGINEER'S WHO DON'T KNOW THEIR ASS FROM A HOLE IN THE GROUND DESIGNING BULLSHIT THAT DOESN'T WORK. FAR TOO MANY FALSE RADAR RETURNS AND UNWANTED HARD STOPS TO BE O... Read more

Incident date: Sep 23, 2020

UNIT HAD CLUTCH FAILURE FAILED TO DISENGAGE UNDER 18E-102, PER FEDERAL GUIDLINES IT FALLS UNDER THE CLUTCH RANGE OF AU1704192065 AND FALLS UNDER EATONS ORIGINAL CAMPAIGN RELEASE BUT THEY REVISED IT TO WHERE IT DOES NOT COVER THIS ONE BECUASE NOW THEY CHANGED THE RANGE TO AU1711 THRU AU1804 BUT WE AR... Read more

Incident date: Sep 28, 2019

TL* THE CONTACT OWNS A 2018 KENWORTH CONSTRUCT T680. WHILE DRIVING THROUGH SNOW OR ICE, THE VEHICLE'S ADAPTIVE CRUISE CONTROL WOULD FLASH AS IF THE VEHICLE WERE APPROACHING SOMETHING AND ACTIVATED BY STOPPING THE VEHICLE IN ORDER TO PREVENT A CRASH. THE CONTACT STATED THAT THE FAILURE ONLY OCCURRED ... Read more

Incident date: Dec 31, 2018

UNIT DRIVING ON FLAT ROAD, LEFT FRONT DRIVES STARTED SMOKING WHILE DRIVING ON INTERSTATE BRAKES NOT BEING APPLIED, DRIVER STOPPED AND BY THIS TIME THE FIRE HAD SPREAD THRU THE UNDER SIDE OF TRUCK AND TRAILER, TOTAL LOSS OF TRUCK, TRAILER AND LOAD, BELIVED TO BE HALDEX BRAKE CAN FAILURE LEAKING AIR A... Read more

Fire

Incident date: Nov 1, 2018

SEAT BELT ALARM NEVER TURN OFF EVEN IF I HAVE MY SEAT BELT ON

Incident date: Jul 19, 2018

THE MITIGATION SYSTEM CAUSES A 'HARD BRAKING' EVENT TO OCCUR. CAN BE TRIGGERED BY AN OVERPASS, CONSTRUCTION ZONES, TRUCK IN ANOTHER LANE, ETC. USUALLY OCCURS ON HIGHWAYS WHILE AT OUR TOP SPEED OF 65 MPH. IT WILL CAUSE A HARD BRAKE DOWN TO 45 MPH. CAN OCCUR DURING NIGHT OR DAYTIME.

Technical Service Bulletins, 2018 KENWORTH T680

89 manufacturer communications from 58 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.

Most Affected Components

Component	Bulletins
060000 ENGINE AND ENGINE COOLING	18
350000 EQUIPMENT	12
110000 ELECTRICAL SYSTEM	11
100000 POWER TRAIN	8
356000 EQUIPMENT ADAPTIVE/MOBILITY	6
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM	4
118000 ELECTRICAL SYSTEM:SOFTWARE	4
353000 EQUIPMENT:ELECTRICAL	3

040000 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 ??A?A?Air Brake Systems??A?A?. This bulletin will be updated when repair parts and procedur

063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

Emissions Recall Certain Vehicle Model Year 2017-2019 chassis equipped with EPA2017 compliant PACCAR MX-13 engines have an EGR flex pipe that can develop cracks and leak untreated exhaust. The EGR Flex pipe will be replaced if it has a susp

060000 ENGINE AND ENGINE COOLING

063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

Certain chassis with Engine Model Year 2016-2021 PACCAR MX-11/MX-13, or EPA13 and EPA21 Cummins ISX12/ISX15/X15 engines that had a previously failed DEF sensor and with DEF sensor software disabled due to industry DEF sensor shortages will

060000 ENGINE AND ENGINE COOLING

E279: PACCAR MX-13/MX-11 Engine MY17 Software Incorrectly Sets DTC P1092 PACCAR MX-13/MX-11 Engine MY17 Software Incorrectly Sets DTC P1092 Emission Recall - PACCAR MX-13/MX-11 MY2017 software incorrectly sets DTC P1092, which could resul

092300 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 devel

060000 ENGINE AND ENGINE COOLING

063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

Certain Model Year 2018 PACCAR MX-11 engines may have contaminated Crankcase Pressure Sensors. These sensors will be replaced.

060000 ENGINE AND ENGINE COOLING

This campaign is the final opportunity to replace the oil filter screw cap to reduce occurrences of broken bypass valve tabs. Broken oil valve tabs can cause oil flow obstruction to critical engine parts, resulting in serious engine damage.

060000 ENGINE AND ENGINE COOLING

Info Only - PACCAR is introducing Over-the-Air (OTA) software updates for engine MY17 and newer chassis equipped with Cummins X15, X12, ISX12, ISX12N, L9N, PX-7, and PX-9 engines The technology will leverage the existing Remote Diagnostic c

060000 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.

010000 STEERING

Safety Recall ??A?A? Interim Notification - The Dana D-Series front axle steer arm fasteners that attach the steer arm to the steering knuckle may fail, increasing the risk of a crash or injury. Repair information will be added when a repai

350000 EQUIPMENT

Due to major data carriers phasing out 3G networks, chassis currently utilizing first generation Peoplenet Mobile Gateway (PMG001) will experience severe 3G service degradation as early as January of 2022. Chassis currently utilizing 3G a

110000 ELECTRICAL SYSTEM

100000 POWER TRAIN

Non-Safety Campaign: a??Drivers of vehicles equipped with PACCAR TX-12 transmissions may experience harsh shifts and gear grinding noise. Premature Main Drive Gear damage may occur due to clutch housing and main case countershaft bearing bo

100000 POWER TRAIN

Non-Safety Campaign:A Eaton Endurant transmissions may experience premature Main Drive Gear damage due to clutch housing and main case countershaft bearing bore wear. A Clutch Housing Front Cover Kit will be installed to address the issue.

062200 ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

Non-Safety Campaign ??A???A???A???A???A???A? Vehicles with a Cummins X15 engine and Horton fan drive may set Diagnostic Trouble Code (DTC) 6637 and/or 3838 due to fan speed that results in the fan remaining activated until the power is cycl

060000 ENGINE AND ENGINE COOLING

251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

Non-Safety Campaign - The TPMS ECU is not communicating properly with TPMS sensors. The result is a delay or failure of communication between the TPMS ECU and the TPMS sensors , causing inaccurate TPMS readings. A firmware update resolves t

080000 FUEL SYSTEM, DIESEL

Fix-As-Fail a?? Due to undersupply issues, only a limited supply of Diesel Exhaust Fluid (DEF) sensors are available. As a temporary solution, after PACCAR confirms a DEF sensor is not available, a temporary software update will allow a veh

060000 ENGINE AND ENGINE COOLING

Information Only a?? 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 .

060000 ENGINE AND ENGINE COOLING

An engine software update is required to resolve OBD system readiness, DEF doser diagnostics, and otherOBD system software related issues.

060000 ENGINE AND ENGINE COOLING

Selected engines have been identified to receive a camshaft inspection and an update for improved camshaft lubrication.

060000 ENGINE AND ENGINE COOLING

Non-Safety Campaign a?? Chassis with the City Horn option may generate unexpected alerts. A VECU software update is available to resolve the issue.

110000 ELECTRICAL SYSTEM

Non-Safety Campaign a?? The batteries may drain quickly due to the VECU not going to sleep. Updated VECU software is available to resolve the issue.

356000 EQUIPMENT ADAPTIVE/MOBILITY

Information Only a?? Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.

350000 EQUIPMENT

Information Only a?? Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.

136000 VISIBILITY:WINDSHIELD WIPER/WASHER

Information Only a?? Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.

130000 VISIBILITY

Information Only a?? Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.

100000 POWER TRAIN

Fix-As-Fail - Prior versions of Eaton Endurant transmission software may be prone to setting Linear Clutch Actuator (LCA) fault codes leading to possible LCA hardware replacement.

100000 POWER TRAIN

Non-Safety Campaign a?? Vehicles with PACCAR transmissions may experience transmission service lamp activation, no gear engagement from neutral, and/or DTC 511 FMI 7 or 10 is set. Transmission software and shift calibration updates are avai

350000 EQUIPMENT

356000 EQUIPMENT ADAPTIVE/MOBILITY

118000 ELECTRICAL SYSTEM:SOFTWARE

100000 POWER TRAIN

Non-safety campaign: Vehicles equipped with an Eaton Endurant 12 speed transmission may experience transmission service lamp activation, no gear engagement from neutral, and/or DTC 511 FMI 7 or 10 is set. Resolution is to update the transm

350000 EQUIPMENT

356000 EQUIPMENT ADAPTIVE/MOBILITY

Fix-As-Fail - Prior versions of Eaton Endurant transmission software may be prone to setting Linear Clutch Actuator (LCA) fault codes leading to possible LCA hardware replacement.

118000 ELECTRICAL SYSTEM:SOFTWARE

Fix-As-Fail - Prior versions of Eaton Endurant transmission software may be prone to setting Linear Clutch Actuator (LCA) fault codes leading to possible LCA hardware replacement.

110000 ELECTRICAL SYSTEM

Fix-As-Fail a?? The Battery Management System (BMS) may report the incorrect battery condition. Additional diagnostics are available to correctly determine and repair the root cause of the issue.

060000 ENGINE AND ENGINE COOLING

Fix-As-Fail a?? The Master Switch Module (MSM) may lose dash switch memory and functionality when the battery disconnect switch is cycled. An improved MSM is available to resolve the issue.

350000 EQUIPMENT

Fix-As-Fail a?? The Master Switch Module (MSM) may lose dash switch memory and functionality when the battery disconnect switch is cycled. An improved MSM is available to resolve the issue.

110000 ELECTRICAL SYSTEM

Fix-As-Fail a?? The Master Switch Module (MSM) may lose dash switch memory and functionality when the battery disconnect switch is cycled. An improved MSM is available to resolve the issue.

030000 BRAKES (PWS)

Fix-As-Fail - Bendix New-Gen Lightweight Steer Axle Drum Brake Spider Cracking

110000 ELECTRICAL SYSTEM

Information Only: This bulletin provides dealers with a battery warranty quick reference guide to ensure the appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplet

160000 STRUCTURE

DEF tank covers may become loose and potentially crack on vehicles built before October 2019 with DEF tank part number M86-6221-003**(TANK-DEF MEDIUM ASSY) and M86-6222-003**(TANK-DEF LARGE, ASSY). Resolution is to resolve the vibration on

350000 EQUIPMENT

Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment damage.

180000 VEHICLE SPEED CONTROL

Information Only a?? Vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead to water intrusion and corrosion in some vehicles.

110000 ELECTRICAL SYSTEM

Information Only a?? Vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead to water intrusion and corrosion in some vehicles.

110000 ELECTRICAL SYSTEM

Information Only: The AutoStart System Test does not recognize the hood opening and closing when running the test on a model 579 or 567 chassis equipped with a VECU software version 9.8 and 9.9. The issue will be fixed on a future VECU sof

060000 ENGINE AND ENGINE COOLING

Emissions Campaign ??A?A? The Engine Overspeed lamp may illuminate during a smoke opacity test. A software update is available to resolve the issue.

110000 ELECTRICAL SYSTEM

Emissions Campaign ??A?A? The Engine Overspeed lamp may illuminate during a smoke opacity test. A software update is available to resolve the issue.

118000 ELECTRICAL SYSTEM:SOFTWARE

Information Only - Vehicles built with NAMUX software from 2013 to present may experience accuracy issues with the tachometer. The issue can be temporarily resolved using any one of the included procedures.

060000 ENGINE AND ENGINE COOLING

Fix-As-Fail The evaporator core may crack in vehicles with the ISX-15 engine. An improved suction line has been released that removes stress transferred to the evaporator core.

060000 ENGINE AND ENGINE COOLING

Information Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the A/C compressor.

350000 EQUIPMENT

Information Only ??A?A? This bulletin provides information about the California Air Resources Board (CARB) Periodic Smoke Inspection Program (PSIP) and Heavy Duty Vehicle Inspection Program (HDVIP).

063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

Information Only ??A?A? This bulletin provides information about the California Air Resources Board (CARB) Periodic Smoke Inspection Program (PSIP) and Heavy Duty Vehicle Inspection Program (HDVIP).

010000 STEERING

MY2018 QV/VV Retrofit

080000 FUEL SYSTEM, DIESEL

Fix-As-Fail - Nylon fuel lines may be too short, potentially resulting in a cracked or loose, low pressure fuel fitting at the engine or fuel tank, which may introduce air into the fuel system resulting in a hard-to-start or no-start condit

060000 ENGINE AND ENGINE COOLING

Fix-As-Fail -??A? Composite fittings used in the cooling system may crack, resulting in coolant leaks. Brass fittings are available to replace the composite fittings.

060000 ENGINE AND ENGINE COOLING

Fix-As-Fail: Two separate causes have been identified as root cause of intermittent low coolant indicator illumination.

350000 EQUIPMENT

Fix as Fail HVAC system may demonstrate inadequate temperature control, be stuck in defrost mode, or have intermittent changes in fan speed that can be remedied with an updated HVAC software.

357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER

Fix as Fail HVAC system may demonstrate inadequate temperature control, be stuck in defrost mode, or have intermittent changes in fan speed that can be remedied with an updated HVAC software.

100000 POWER TRAIN

Fix as Fail: Vehicles with Eaton Ultrashift Plus or Fuller Advantage Automated transmissions may display fault codes and/or have clutch release problems due to broken clutch levers. Resolution is to replace the clutch.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

Information Only: Proper instructions for closure of power distribution box cover to prevent corrosion.

353000 EQUIPMENT:ELECTRICAL

Information Only: Proper instructions for closure of power distribution box cover to prevent corrosion.

356000 EQUIPMENT ADAPTIVE/MOBILITY

Fix-As-Fail ? 2.1m Sunvisor clips may be cracked or broken.

350000 EQUIPMENT

Fix-As-Fail ? 2.1m Sunvisor clips may be cracked or broken.

100000 POWER TRAIN

Campaign: The clutch may not shift appropriately or the clutch may not disengage due to lack of torque on the clutch bolts.

100000 POWER TRAIN

Non-Safety Campaign - PTOs in certain T680/T880 chassis equipped with PACCAR or an Eaton Endurant Transmission may not contain the wiring required to activate the PTO accessory.

160000 STRUCTURE

Non-Safety Campaign- JOST International has concluded a possibility exists that one production 5th wheel built with a prototype component was installed on a Kenworth chassis

110000 ELECTRICAL SYSTEM

Fix-As-Fail: Bendix Wingman radars with ice/snow buildup on the optional PACCAR radar cover may experience false warnings and mild brake applications from the Wingman System.

356000 EQUIPMENT ADAPTIVE/MOBILITY

Fix-As-Fail: Bendix Wingman radars with ice/snow buildup on the optional PACCAR radar cover may experience false warnings and mild brake applications from the Wingman System.

353000 EQUIPMENT:ELECTRICAL

Fix-As-Fail: Bendix Wingman radars with ice/snow buildup on the optional PACCAR radar cover may experience false warnings and mild brake applications from the Wingman System.

350000 EQUIPMENT

Non-Safety Campaign- Incorrect GHG emissions identifier label for the tire classification listed on printed label.

355100 EQUIPMENT:OTHER:LABELS

Non-Safety Campaign- Incorrect GHG emissions identifier label for the tire classification listed on printed label.

190000 TIRES

Non-Safety Campaign- Incorrect GHG emissions identifier label for the tire classification listed on printed label.

110000 ELECTRICAL SYSTEM

Information only - Customer installed inverters may be wired incorrectly.

111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY

Information only - Customer installed inverters may be wired incorrectly.

114000 ELECTRICAL SYSTEM:WIRING

Information only - Customer installed inverters may be wired incorrectly.

118000 ELECTRICAL SYSTEM:SOFTWARE

Information Only - CECU/VECU unable to communicate with ESA requires use of a Y-cable.

353000 EQUIPMENT:ELECTRICAL

Information Only - CECU/VECU unable to communicate with ESA requires use of a Y-cable.

110000 ELECTRICAL SYSTEM

Fix-As-Fail ? Some vehicles may set a ?Cluster Not Detected? error message when connecting to the CECU with ESA.

114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL

Non Safety Campaign: The circuit for the Trailer Hotline/Trailer Power may not be properly protected on Model T680/T880 vehicles equipped with this option.

210000 TRAILER HITCHES

Non Safety Campaign: The circuit for the Trailer Hotline/Trailer Power may not be properly protected on Model T680/T880 vehicles equipped with this option.

063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

Fix-As-Fail: Repair for horizontal exhaust diffuser configurations with broken brackets or cracked diffuser.

350000 EQUIPMENT

FIX-AS-FAIL: AN INTERNAL ISSUE MAY CAUSE SOME HVAC MODE DOOR ACTUATORS TO FAIL. THIS WILL CAUSE THE HVAC SYSTEM TO ACT ERRATICALLY OR CONSTANTLY TURN ON AND OFF.

350000 EQUIPMENT

T680 predictive cruise control(PCC) incompatibility with cummins engine.

KENWORTH T680 - All Years Overview

Complete safety history for the KENWORTH T680 across all model years (2011, 2027).

147 Total Recalls

112 Total Complaints

0 Investigations

3 Reported Crashes

13 Reported Fires

0 Reported Deaths

KENWORTH T680 - Year by Year

Compare recalls and complaints across model years. Click any year to see full details.

Year	Recalls	Complaints
2027	3	0	View
2026	2	0	View
2025	9	0	View
2024	7	7	View
2023	9	12	View
2022	10	3	View
2021	7	0	View
2020	8	11	View
2019	9	14	View
2018 (current)	15	17
2017	11	9	View
2016	16	7	View
2015	11	14	View
2014	13	18	View
2013	13	0	View
2012	2	0	View
2011	2	0	View

Other KENWORTH Models

Model	Recalls	Complaints
T800	354	49	View
T880	330	12	View
W900	291	42	View
T380	222	2	View
T480	181	0	View
W990	178	0	View
T660	165	10	View
T440	143	1	View

Vehicle Safety

Consumer Safety

Infrastructure

Public Health

2018 KENWORTH T680

Complaint Statistics

Top Reported Components

Technical Service Bulletins, 2018 KENWORTH T680

Most Affected Components

KENWORTH T680 - All Years Overview

KENWORTH T680 - Year by Year

Other KENWORTH Models