2016 KENWORTH T660
10 recalls, 0 complaints - 41 TSBs
20V199000 Apr 6, 2020
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
18V555000 Aug 22, 2018
ENGINE AND ENGINE COOLING:ENGINE:DIESEL
Defect Description
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 ... Read more
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... Read more
18V368000 Jun 1, 2018
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.
17V593000 Sep 22, 2017
STEERING
Defect Description
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. ... Read more
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 ... Read more
15V597000 Sep 24, 2015
ENGINE AND ENGINE COOLING:ENGINE
Defect Description
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.... Read more
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... Read more
15V458000 Jul 22, 2015
EXTERIOR LIGHTING:HEADLIGHTS
Defect Description
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... Read more
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.
15V457000 Jul 22, 2015
SERVICE BRAKES, AIR
Defect Description
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 se... Read more
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.
15V272000 May 11, 2015
WHEELS:LUGS/NUTS/BOLTS/STUDS
Defect Description
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 m... Read more
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.
15V270000 May 8, 2015
ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
Defect Description
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... Read more
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 o... Read more
15V271000 May 8, 2015
VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR
Defect Description
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.
No complaints found for this vehicle.
Technical Service Bulletins, 2016 KENWORTH T660
41 manufacturer communications from 23 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.
Most Affected Components
| Component | Bulletins |
|---|---|
| 350000 EQUIPMENT | 5 |
| 118000 ELECTRICAL SYSTEM:SOFTWARE | 4 |
| 060000 ENGINE AND ENGINE COOLING | 4 |
| 110000 ELECTRICAL SYSTEM | 3 |
| 356000 EQUIPMENT ADAPTIVE/MOBILITY | 3 |
| 060000 ENGINE (PWS) | 2 |
| 200000 WHEELS | 2 |
| 204000 WHEELS:HUB | 2 |
24KWD
Apr 9, 2024
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
43-072
Jun 2, 2023
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
43-072
Jun 2, 2023
060000 ENGINE AND ENGINE COOLING
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
E296
Aug 3, 2022
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.
43-071
Sep 21, 2021
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
02-160
Feb 10, 2021
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.
02-160
Feb 10, 2021
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.
02-160
Feb 10, 2021
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.
02-160
Feb 10, 2021
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.
26-037
Dec 18, 2020
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.
26-037
Dec 18, 2020
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.
26-037
Dec 18, 2020
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.
13-054
Jul 29, 2020
030000 BRAKES (PWS)
Fix-As-Fail - Bendix New-Gen Lightweight Steer Axle Drum Brake Spider Cracking
32-015
Jun 8, 2020
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
43-066
Mar 27, 2020
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
32-016
Mar 17, 2020
350000 EQUIPMENT
Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment damage.
34-085
Mar 3, 2020
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.
34-085
Mar 3, 2020
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.
03-071
Dec 18, 2019
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.
01-075
Nov 6, 2019
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.
TIB43-062
Sep 27, 2019
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).
TIB43-062
Sep 27, 2019
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).
42-056
Aug 28, 2019
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.
03-070
Jun 10, 2019
118000 ELECTRICAL SYSTEM:SOFTWARE
Fix as Fail: Vehicles built 11/30/15 to 7/18/16 may display an error message in the Service Advised display after updating CECU software.
03-070
Jun 10, 2019
117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
Fix as Fail: Vehicles built 11/30/15 to 7/18/16 may display an error message in the Service Advised display after updating CECU software.
03-070
Jun 10, 2019
356000 EQUIPMENT ADAPTIVE/MOBILITY
Fix as Fail: Vehicles built 11/30/15 to 7/18/16 may display an error message in the Service Advised display after updating CECU software.
43-056
Jun 14, 2018
190000 TIRES
Non-Safety Campaign- Incorrect GHG emissions identifier label for the tire classification listed on printed label.
43-056
Jun 14, 2018
355100 EQUIPMENT:OTHER:LABELS
Non-Safety Campaign- Incorrect GHG emissions identifier label for the tire classification listed on printed label.
63-008
Mar 26, 2018
110000 ELECTRICAL SYSTEM
Non-Safety Campaign - OBD modem is unable to communicate to telematics systems.
18-008
Jan 22, 2018
200000 WHEELS
Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.
18-008
Jan 22, 2018
204000 WHEELS:HUB
Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.
7-17
Jan 22, 2018
204000 WHEELS:HUB
Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.
7-17
Jan 22, 2018
200000 WHEELS
Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.
27-026
Jul 28, 2016
060000 ENGINE (PWS)
FIX-AS-FAIL - ENGINE OVER-SPEED LAMP COULD COME ON AFTER A DOWNSHIFT WITH THE EATON ULTRASHIFT PLUS TRANSMISSION. THIS DOES NOT AFFECT THE FUNCTION OF THE VEHICLE.
27-026
Jul 28, 2016
060000 ENGINE (PWS)
Eaton ultrashift plus excessive engine over-speed lamp on.
27-026
Jul 28, 2016
100000 POWER TRAIN
Eaton ultrashift plus excessive engine over-speed lamp on.
51-007
Jul 7, 2016
118000 ELECTRICAL SYSTEM:SOFTWARE
FIX-AS-REQUESTED - NAV+ HD SOFTWARE UPDATE FOR RANDOM REBOOT FIX AND MP3 FEATURES ENABLED.
51-007
Jul 7, 2016
353610 EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE
Nav+HD MP3 reboot update ane features enable.
51-007
Jul 7, 2016
353000 EQUIPMENT:ELECTRICAL
Nav+HD MP3 reboot update ane features enable.
51-007
Jul 7, 2016
350000 EQUIPMENT
Nav+HD MP3 reboot update ane features enable.
51-006
May 31, 2016
350000 EQUIPMENT
NON-SAFETY CAMPAIGN - CHASSIS BUILT WITH PRE-PRODUCTION QV/VV MODELS OF THE NAV+ HD SYSTEM HARDWARE ARE ELIGIBLE FOR REPLACEMENT. THIS DOES NOT AFFECT THE OPERATION OF THE VEHICLE.
KENWORTH T660 - All Years Overview
Complete safety history for the KENWORTH T660 across all model years (2004, 2020).
137
Total Recalls
10
Total Complaints
0
Investigations
2
Reported Crashes
1
Reported Fires
0
Reported Deaths
KENWORTH T660 - Year by Year
Compare recalls and complaints across model years. Click any year to see full details.