2015 KENWORTH T660 — Problems, Recalls & Safety Data
N/A
Safety Rating
0
Owner Complaints
11
Recalls
0
Service Bulletins
0
Investigations
Overview of the 2015 KENWORTH T660
The 2015 KENWORTH T660 has received a total of 0 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There have been 14 recall campaigns affecting this vehicle, covering issues with SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK, ELECTRONIC STABILITY CONTROL (ESC), SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT.
Recalls for the 2015 KENWORTH T660
NHTSA has recorded 14 recalls for the 2015 KENWORTH T660, potentially affecting up to 1,229,779 vehicles.
Recall 24V145000 — SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK
| 936 vehicles affected
Defect: 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 vehicles. The air tanks have an insufficient volume of air for the brake system. As such, these vehicles fail to comply with the...
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...
View full details →Recall 20V199000 — ELECTRONIC STABILITY CONTROL (ESC)
| 460,515 vehicles affected
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...
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...
View full details →Recall 20V199000 — SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
| 460,515 vehicles affected
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...
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...
View full details →Recall 18V368000 — ELECTRONIC STABILITY CONTROL (ESC)
| 85,626 vehicles affected
Defect: 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 not illuminate to warn the driver of the loss of ABS. As such,...
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...
View full details →Recall 18V368000 — SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
| 85,626 vehicles affected
Defect: 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 not illuminate to warn the driver of the loss of ABS. As such,...
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...
View full details →Recall 15V458000 — EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
| 12,551 vehicles affected
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...
Consequence: If the hazard warning lamps are overridden by the DRL, oncoming vehicles may fail to be warned, increasing the risk of a crash.
Remedy: 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.
View full details →Recall 15V458000 — EXTERIOR LIGHTING:HEADLIGHTS
| 12,551 vehicles affected
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...
Consequence: If the hazard warning lamps are overridden by the DRL, oncoming vehicles may fail to be warned, increasing the risk of a crash.
Remedy: 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.
View full details →Recall 15V270000 — ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
| 1,494 vehicles affected
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...
Consequence: If the alternator cable rubs through its insulation, an electrical short may occur, increasing the risk of a fire.
Remedy: 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...
View full details →Recall 15V271000 — VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR
| 104,807 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain model year 2011-2016 Kenworth T270, T370, T440, T470, C500, C540, C550, T660, T800, W900, and 963 trucks manufactured November 1, 2010, to April 6, 2015. In the affected trucks, water may leak into the wiper motor.
Consequence: As water leaks in, the wiper may cease to function on the 'intermittent' setting, reducing the driver's visibility and increasing the risk of a crash. Additionally, the water may cause corrosion which, over time, may result in an electrical short, increasing the risk of a fire.
Remedy: PACCAR is still developing and testing a remedy. The recall is expected to begin in July 2015. An interim letter was sent to owners on July 2, 2015. The recall began on September 2, 1015. Owners may contact Kenworth customer...
View full details →Recall 15V310000 — POWER TRAIN:DRIVELINE:DRIVESHAFT
| 30 vehicles affected
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.
Consequence: 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.
Remedy: 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...
View full details →Recall 14V810000 — PARKING BRAKE:CONVENTIONAL:AIR
| 1,623 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain model year 2015 Peterbilt 367, 389, 567, 579, and 587 trucks manufactured from May 23, 2014, to February 13, 2015, and 2015 Kenworth T270, T370, T440, T470, T660, T680, T800, T880, and W900 trucks manufactured from May 23, 2014, to February 13, 2015, equipped with certain air brake actuators. The affected vehicles may experience...
Consequence: Brake drag may result in a wheel end fire.
Remedy: Kenworth and Peterbilt will notify owners, and dealers will inspect and replace the brake chamber, as necessary, free of charge. An interim notice was mailed to owners March 3, 2015. The recall began on May 14, 2015. Owners may contact...
View full details →Recall 15V051000 — SERVICE BRAKES, AIR:DISC:CALIPER
| 106 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain model year 2015 Peterbilt 210, 220, 320, and Kenworth K270, K370, T660, T800, T880 trucks manufactured July 21, 2014, to September 16, 2014. The brake caliper bolts may not be properly torqued.
Consequence: As a result, the brake caliper bolts may loosen, reducing the effectiveness of the brakes and increasing the risk of a crash.
Remedy: PACCAR will notify owners, and dealers will inspect, and tighten or replace any loose caliper bolts, as necessary, free of charge. The recall began on March 27, 2015. Owners may contact Peterbilt customer service 1-940-591-4000, or Kenworth customer service at...
View full details →Recall 14V722000 — ELECTRICAL SYSTEM
| 1,380 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain model year 2015 Kenworth T660, T800, W900, T400, and C500 heavy trucks manufactured September 19, 2014, to October 30, 2014. The affected vehicles may have been produced with an undersized wire gauge for the trailer stop lamp circuit in the instrument panel harness.
Consequence: If the smaller wire gauge may overheat increasing the risk of a vehicle fire.
Remedy: PACCAR will notify owners, and dealers will replace the defective wire with a properly sized wire, free of charge. The recall began on December 19, 2014. Owners may contact PACCAR customer service at 1-425-828-5000 (Kenworth).
View full details →Recall 14V086000 — ENGINE AND ENGINE COOLING:ENGINE
| 2,019 vehicles affected
Defect: PACCAR Inc, is recalling certain model year 2014-2015 Kenworth T440, T660, T800, and W900 tractor trailers manufactured January 23, 2013, through February 4, 2014, and certain model year 2014-2015 Peterbilt 320, 365, 382, 384 tractor trailers manufactured January 21, 2013, through February 5, 2014, and equipped with certain Cummins Westport Model ISL G and ISX12 G engines. Condensation in the...
Consequence: The improper operation of the sensor could induce elevated exhaust temperatures or flames from the exhaust pipe, increasing the risk of a vehicle fire or burn injury to a person near the exhaust pipe.
Remedy: PACCAR will notify owners, and authorized Cummins service facilities will upload a new ECM calibration, free of charge. The recall began on April 12, 2014. Customers may contact PACCAR at 1-425-468-7400. Paccar's recall numbers associated with this campaign are 14KWG...
View full details →Owner Complaints for the 2015 KENWORTH T660
No complaints have been filed with NHTSA for the 2015 KENWORTH T660.
Safety Rating for the 2015 KENWORTH T660
NHTSA has not yet tested the 2015 KENWORTH T660 in its New Car Assessment Program.
Technical Service Bulletins for the 2015 KENWORTH T660
No technical service bulletins have been reported for this vehicle.
NHTSA Investigations for the 2015 KENWORTH T660
There are no NHTSA defect investigations on record for this vehicle.
Other Model Years of the KENWORTH T660
- 2010 KENWORTH T660 — 2 complaints
- 2011 KENWORTH T660 — 2 complaints
- 2012 KENWORTH T660 — 1 complaint
- 2013 KENWORTH T660 — 0 complaints
- 2014 KENWORTH T660 — 2 complaints
- 2015 KENWORTH T660 (current)
- 2016 KENWORTH T660 — 0 complaints
- 2017 KENWORTH T660 — 0 complaints
- 2018 KENWORTH T660 — 0 complaints
- 2019 KENWORTH T660 — 0 complaints
- 2020 KENWORTH T660 — 0 complaints
Other KENWORTH Models
- KENWORTH T680 — 106 total complaints
- KENWORTH T2000 — 56 total complaints
- KENWORTH T800 — 49 total complaints
- KENWORTH W900 — 41 total complaints
- KENWORTH KENWORTH — 25 total complaints
- KENWORTH T600 — 21 total complaints
- KENWORTH T880 — 12 total complaints
- KENWORTH CONVENTIONAL — 11 total complaints