2012 Kenworth T680 problems

20V199000

Date: 2020-04-06. Systems: ELECTRONIC STABILITY CONTROL (ESC), SERVICE BRAKES, AIR.

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 dash warning light (excerpt)

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

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 1-940-591-4220. PACCAR's number for this recall is 20pbc AND 20KWB. (excerpt)

Do not drive: No. Park outside: No.

15V458000

Date: 2015-07-22. Systems: EXTERIOR LIGHTING.

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 flashing func (excerpt)

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

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. (excerpt)

Do not drive: No. Park outside: No.

11037541

Date: 2026-09-11. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.

"Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes. 2 chassis added to the chassis list. Peterbilt: Dealers should check the chassis list and SIR weekly for VIN changes. 10 chassis added to the chassis list."

10254164

Date: 2024-04-09. Type: Service Bulletin/Repair Instructions. Systems: 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?A A A A Air Brake SystemsA A?A A A A . This bulletin will be updated when repair parts and procedures are available.

10232496

Date: 2023-02-24. Type: Service Bulletin/Repair Instructions. Systems: ENGINE AND ENGINE COOLING, FUEL SYSTEM, OTHER.

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 developed.

10198762

Date: 2021-06-14. Type: Service Bulletin/Repair Instructions. Systems: ENGINE AND ENGINE COOLING.

Information Only A?A 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 .

10188467

Date: 2021-02-25. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.

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

10188468

Date: 2021-02-25. Type: Service Bulletin/Repair Instructions. Systems: ENGINE AND ENGINE COOLING.

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

10188550

Date: 2021-02-10. Type: Service Bulletin/Repair Instructions. Systems: EQUIPMENT, EQUIPMENT ADAPTIVE/MOBILITY, VISIBILITY.

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

10185190

Date: 2020-12-18. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, EQUIPMENT ADAPTIVE/MOBILITY, 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.

10183724

Date: 2020-11-11. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.

Fix as Fail The HVAC system, on model 579 and 567 vehicles manufactured since 1/20/2012 may have inadequate temperature control. The HVAC may intermittently stop blowing cold air, typically after a truck restart. Driver may notice the system returns to normal after key cycle. The remedy is updatin

10177021

Date: 2020-06-08. Type: Service Bulletin/Repair Instructions. Systems: 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 incomplete information.