2016 Kenworth T660 Recalls

Recalls on record Updated July 2026

The 2016 Kenworth T660 has 10 NHTSA recall campaigns affecting an estimated 694,896 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.

Recall campaigns

ELECTRONIC STABILITY CONTROL (ESC) 20V199000 2020-04-06 460,515 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…

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 service at…

ELECTRICAL SYSTEM 18V555000 2018-08-22 11,429 affected
Defect

PACCAR Incorporated (PACCAR) is recalling certain 2016-2019 Kenworth C500, T660, T800, and W900 vehicles, equipped with 1.9M ISX15 engines. The engine harnesses may have been manufactured without check engine light (CEL) and stop engine light (SEL) circuits, preventing the driver from being warned of a serious…

Consequence

If the driver is not warned of a serious engine problem, the engine may unexpectedly fail, increasing the risk of a crash.

Remedy

PACCAR will notify owners, and dealers will inspect or test the ISX15 engine harness, and install an overlay jumper harness to supply the missing CEL and SEL circuits, free of charge. The recall began November 30, 2018. Owners may contact PACCAR customer service at 1-918-259-3258. PACCAR's number for this recall…

ELECTRONIC STABILITY CONTROL (ESC) 18V368000 2018-06-01 85,626 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…

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.

STEERING 17V593000 2017-09-22 17,737 affected
Defect

PACCAR Incorporated (PACCAR) is recalling certain 2016 Peterbilt 220, 320, 325, 330, 337, 348, 365, 367, 382, 384, 386, 389, 389G, 567, 579 and 587 trucks and Kenworth K170, T170, T270, T370, T440, T470,T660, T680, T800, T880, and W900 trucks equipped with certain Spicer D or E series steer axles. The castellated…

Consequence

If the tie rod loosens, it may disconnect from the steering knuckle, causing a complete loss of steering and increasing the risk of a crash.

Remedy

PACCAR will notify owners, and dealers will inspect the torque of the castellated nut and tie rod, tightening it as necessary. If the tie rod stud and knuckle on units cannot be sufficiently torqued, the dealer will replace the knuckle and tie rod end assembly, free of charge. The recall began on November 13, 2017.…

ENGINE AND ENGINE COOLING 15V597000 2015-09-24 354 affected
Defect

Paccar Incorporated (Paccar) is recalling certain model year 2016 Kenworth T370, T660, T680, T800, T880, and W900 vehicles manufactured July 31, 2015, to August 12, 2015, and 2016 Peterbilt 337, 348, 365, 367, 382, 386, 389, 567, 579, and 587 vehicles manufactured August 4, 2015, to August 12, 2015. In the affected…

Consequence

An engine that stalls without warning increases the risk of a crash.

Remedy

PACCAR will notify owners, and dealers will replace the defective engine control modules, free of charge. The recall began on October 22, 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 15KWM (Kenworth) and…

SERVICE BRAKES, AIR 15V457000 2015-07-22 334 affected
Defect

PACCAR Incorporated (PACCAR) is recalling certain model year 2016 Kenworth T440, T470, T660, T680, T800, T880, and W900 trucks manufactured February 16, 2015, to March 9, 2015. The affected vehicles are equipped with an SR-7 spring brake valve assembly that may have had the primary and secondary service brake…

Consequence

A loss of braking ability would increase the risk of a crash.

Remedy

Kenworth will notify owners, and dealers will inspect the vehicles and correct the air line installations as required, free of charge. The recall began on September 16, 2015. Owners may contact Kenworth customer service at 1-425-828-5000. PACCAR's number for this recall is 15KWK.

EXTERIOR LIGHTING 15V458000 2015-07-22 12,551 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…

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.

WHEELS 15V272000 2015-05-11 49 affected
Defect

PACCAR Incorporated (PACCAR) is recalling certain model year 2016 Kenworth T660, T680, T800, T880, and W900 trucks manufactured February 1, 2015, to April 20, 2015. During assembly, the affected vehicles did not undergo the rear wheel mounting torque verification process, and thus the rear wheels may be loose.

Consequence

If the rear wheel lug nuts are undertorqued, the wheels may separate from the vehicle, increasing the risk of a crash.

Remedy

Kenworth will notify owners, and dealers will verify that the rear wheel lug nuts are correctly tightened, free of charge. The recall began on July 1, 2015. Owners may contact Kenworth customer service at 1-425-828-5000. Kenworth's number for this recall is 15KWG.

VISIBILITY 15V271000 2015-05-08 104,807 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 service at 1-425-828-5000. PACCAR's number for this recall is 15KWF.

ELECTRICAL SYSTEM 15V270000 2015-05-08 1,494 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…

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 may contact Kenworth customer service at 1-425-828-5000 or Peterbilt…

Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2016 Kenworth T660 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.