2016 Kenworth T680 technical service bulletins
65 technical service bulletins and manufacturer communications cover the 2016 Kenworth T680.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- The new 2.1m day cab lift tools, a Level 3 mandatory tool, are now available to order.
- Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes
- The campaign expiration date has been changed to 03/01/2027.
- Troubleshooting procedures for 2.1m cab power windows are now available.
- CARB Chassis Update
- Certain C500/T440/T470/T660/T680/T800/T880/W900 chassis may have air tank reservoirs that do not meet air...
- E304: PACCAR MX-11 and MX-13 EMY2016 NOx and N2O Exceedance Emissions Recall Certain vehicles with PACCAR...
- Certain chassis with Engine Model Year 2016-2021 PACCAR MX-11/MX-13, or EPA13 and EPA21 Cummins...
- E279: paccar MX-13/MX-11
- Certain Model Year 2021-2024 chassis with PACCAR MX engines and optional fuel filter restriction virtual...
- Kenworth is providing guidance for PACCAR MX Engine Composite Oil Pan leak troubleshooting to avoid...
- Fix-As-Fail – Due to undersupply issues, only a limited supply of Diesel Exhaust Fluid (DEF) sensors are...
- Information Only – C hassis equipped with MY2021 B EPA emission s standards will be shipped through...
- An engine software update is required to resolve OBD system readiness, DEF doser diagnostics, and otherOBD...
- Non-Safety Campaign – The batteries may drain quickly due to the VECU not going to sleep
- Non-Safety Campaign – Chassis with the City Horn option may generate unexpected alerts
- Information Only – Windshield washer pumps have a high No Trouble Found rate
- Fix-As-Fail
- Fix-As-Fail
- Information Only:
- DEF tank covers may become loose and potentially crack on vehicles built before October 2019 with DEF tank...
- Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment...
- Information Only – Vehicles may have the connector seals on the wheel speed sensor incorrectly installed,...
- Information Only: The AutoStart System Test does not recognize the hood opening and closing when running...
- Emissions Campaign â The Engine Overspeed lamp may illuminate during a smoke opacity test
- Information Only
- Fix-As-Fail The evaporator core may crack in vehicles with the ISX-15 engine
- Information Only:
- Information Only â
- Fix-As-Fail -Â Composite fittings used in the cooling system may crack, resulting in coolant leaks
- Fix-As-Fail: Two separate causes have been identified as root
- Fix as Fail HVAC system may demonstrate inadequate temperature control, be stuck in defrost mode, or have...
- Fix as Fail: Vehicles built 11/30/15 to 7/18/16 may display an error message in the Service Advised...
- Information Only: Proper instructions for closure of power distribution box cover to prevent corrosion.
- Non-Safety Campaign: Vehicles may have a fuse installed in the PDC (Power Distribution Center) in a...
- Information: J1939 CAN BUS Best Practices
- Fix-As-Fail: Bendix Wingman radars with ice/snow buildup on the optional PACCAR radar cover may experience...
- Non-Safety Campaign- Incorrect GHG emissions identifier label for the tire classification listed on...
- Information only
- Non-Safety Campaign
- Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.
- Fix-As-Fail
- Non Safety Campaign: The circuit for the Trailer Hotline/Trailer Power may not be properly protected on...
- Fix-As-Fail: Repair for horizontal exhaust diffuser configurations with broken brackets or cracked diffuser.
- Fix-as-Fail: CECU3 software P30-1011-139 software has been released
- Fix-as-fail: kenworth T680/T880 HVAC panel and temperature mode doors not functioning properly
- Non-safety campaign: watson & chalin lift axle frame brackets with slotted lower mounting holes may...
- Fix-as-fail: an internal issue may cause some HVAC mode door actuators to fail
- Fix-as-fail: the heat-stake mounting studs used to retain the fixed panel cover CAN fatigue
- Sleeper roof panels separating.
- Fix-as-fail - engine over-speed lamp could come on after a downshift with the eaton ultrashift plus...
- Eaton ultrashift plus excessive engine over-speed lamp on.
- Fix-as-requested - nav+ hd software update for random reboot fix and MP3 features enabled.
- Non-safety campaign - incorrect predictive cruise control (PCC) speed signal on cummins equipped T680...
- Non-safety campaign - possible assembly and programming issues with the pcc system may reduce the fuel...
- Nav+HD MP3 reboot update ane features enable.
- T680 predictive cruise control(PCC) incompatibility with cummins engine.
- Predictive Cruise control (PCC) incomplete assembly and programming.
- Non-safety campaign - chassis built with pre-production qv/vv models of the nav+ hd system hardware are...
- Non-safety campaign - greenhouse gas (GHG) high ambient temperature eist override setting is not as...
- Kenworth: an ultracapacitor engine start modules (ESM), in some trucks, are not treated like regular...
- Allison transmission: on some trucks, the push button shift selector (PBSS) skips oil level reading and...
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