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2015 Kenworth T660 recalls

NHTSA campaigns received 2010 to 2026-09-30 that list the 2015 model year.

The 2015 Kenworth T660 is covered by 11 recall campaigns. Repairs are free at a dealer; check your VIN to see which are still open.

CampaignReceivedComponent
24V1450002024-02-23Service Brakes, Air › Supply › Reservoir/Tank
20V1990002020-04-06Service Brakes, Air › Antilock › Abs Warning Light
18V3680002018-06-01Electronic Stability Control (Esc)
15V4580002015-07-22Exterior Lighting › Hazard Flashing Warning Lights
15V3100002015-05-26Power Train › Driveline › Driveshaft
15V2700002015-05-08Electrical System › Alternator/Generator/Regulator
15V2710002015-05-08Visibility › Windshield Wiper/Washer › Motor
15V0510002015-01-30Service Brakes, Air › Disc › Caliper
14V8100002014-12-29Parking Brake › Conventional › Air
14V7220002014-11-10Electrical System
14V0860002014-02-18Engine And Engine Cooling › Engine

Each recall: problem, risk and fix

Service Brakes, Air › Supply › Reservoir/Tank (24V145000, 2024-02-23)

Problem: 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 requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."

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

Free fix: 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.

PACCAR Incorporated · 936 vehicles · NHTSA record

Service Brakes, Air › Antilock › Abs Warning Light (20V199000, 2020-04-06)

Problem: 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 to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems," and 136, "Electronic Stability Control System on Heavy Vehicles."

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

Free 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.

PACCAR Incorporated · 460,515 vehicles · NHTSA record

Electronic Stability Control (Esc) (18V368000, 2018-06-01)

Problem: 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, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems," and 136, "Electronic Stability Control System on Heavy Vehicles."

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

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

PACCAR Incorporated · 85,626 vehicles · NHTSA record

Exterior Lighting › Hazard Flashing Warning Lights (15V458000, 2015-07-22)

Problem: 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 functionality returns once the service brake is released. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 108, "Lamps, Reflective Devices, and Associated Equipment."

Risk: If the hazard warning lamps are overridden by the DRL, oncoming vehicles may fail to be warned, increasing the risk of a crash.

Free 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.

PACCAR Incorporated · 12,551 vehicles · NHTSA record

Power Train › Driveline › Driveshaft (15V310000, 2015-05-26)

Problem: 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.

Free 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.

PACCAR Incorporated · 30 vehicles · NHTSA record

Electrical System › Alternator/Generator/Regulator (15V270000, 2015-05-08)

Problem: 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.

Free 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.

PACCAR Incorporated · 1,494 vehicles · NHTSA record

Visibility › Windshield Wiper/Washer › Motor (15V271000, 2015-05-08)

Problem: 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.

Risk: 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.

Free fix: 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 service at 1-425-828-5000. PACCAR's number for this recall is 15KWF.

PACCAR Incorporated · 104,807 vehicles · NHTSA record

Service Brakes, Air › Disc › Caliper (15V051000, 2015-01-30)

Problem: 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.

Risk: As a result, the brake caliper bolts may loosen, reducing the effectiveness of the brakes and increasing the risk of a crash.

Free fix: 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 1-425-828-5000. PACCAR's number for this recall is 15KWA (Kenworth) and 115B (Peterbilt).

PACCAR Incorporated · 106 vehicles · NHTSA record

Parking Brake › Conventional › Air (14V810000, 2014-12-29)

Problem: 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 brake drag due to an improperly seated diaphragm in the brake chamber.

Risk: Brake drag may result in a wheel end fire.

Free fix: 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 PACCAR customer service at 1-425-828-5000 (Kenworth), or 1-940-591-4000 (Peterbilt). PACCAR's number for this recall is 14KWP (Kenworth), and 1214L (Peterbilt).

PACCAR Incorporated · 1,623 vehicles · NHTSA record

Electrical System (14V722000, 2014-11-10)

Problem: 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.

Risk: If the smaller wire gauge may overheat increasing the risk of a vehicle fire.

Free fix: 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).

PACCAR Incorporated · 1,380 vehicles · NHTSA record

Engine And Engine Cooling › Engine (14V086000, 2014-02-18)

Problem: 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 intake manifold may freeze during cold weather conditions and interfere with the proper operation of the intake manifold pressure sensor.

Risk: 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.

Free fix: 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 (Kenworth), and 214-C (Peterbilt).

PACCAR Incorporated · 2,019 vehicles · NHTSA record

A recall covers a make, model and year range; whether one specific vehicle is affected or already repaired is confirmed by VIN at nhtsa.gov/recalls or by a dealer. Recall repairs are free. Source: NHTSA recall flat file (public domain), campaigns received since January 2010.

Other model years: 2011 · 2012 · 2013 · 2014 · 2016 · 2017 · 2018 · 2019 · All Kenworth T660 recalls