Vehicle report

2016 KENWORTH T800

Service bulletins

28 bulletins

Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.

E304

Emissions

CARB Chassis Update - Chassis list updated with 5 KW and 31 PB additional chassis.

24KWD

Service Bulletin/Repair Instructions

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 “Air Brake Systems”. This bulletin will be updated when repair parts and procedures are available.

43-072

Service Bulletin/Repair Instructions

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 now be able to receive a replacement DEF sensor, DEF tank heater coolant control valve, and re-enabled DEF diagnostic software. Please note that chassis equipped with PACCAR PX engines will be eligible for this repair at a future date when software is available.

E279

Service Bulletin/Repair Instructions

E279: PACCAR MX-13/MX-11 Engine MY17 Software Incorrectly Sets DTC P1092 PACCAR MX-13/MX-11 Engine MY17 Software Incorrectly Sets DTC P1092 Emission Recall - PACCAR MX-13/MX-11 MY2017 software incorrectly sets DTC P1092, which could result in reduced available engine torque and/or engine protection mode. An engine software update is available that corrects the issue.

E296

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

Fix-As-Fail – 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 vehicle to continue operation with a failed DEF sensor by disabling the DEF sensor diagnostics.

E271

Service Bulletin/Repair Instructions

An engine software update is required to resolve OBD system readiness, DEF doser diagnostics, and otherOBD system software related issues.

02-160

Service Bulletin/Repair Instructions

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

26-037

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

Fix-As-Fail - Bendix New-Gen Lightweight Steer Axle Drum Brake Spider Cracking

32-015

Service Bulletin/Repair Instructions

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.

43-066

Service Bulletin/Repair Instructions

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 the tank cover by adding bottom tank washers.

32-016

Service Bulletin/Repair Instructions

Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment damage.

34-085

Service Bulletin/Repair Instructions

Information Only – 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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

Information Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the A/C compressor.

TIB43-062

Service Bulletin/Repair Instructions

Information Only – This bulletin provides information about the California Air Resources Board (CARB) Periodic Smoke Inspection Program (PSIP) and Heavy Duty Vehicle Inspection Program (HDVIP).

01-074

Service Bulletin/Repair Instructions

Fix-As-Fail -“ C500, T440/T470, T800, W900 chassis HVAC Controllers may become unresponsive after rotating the temperature control knob quickly. HVAC Controllers with improved firmware are available to resolve this issue.

42-056

Service Bulletin/Repair Instructions

Fix-As-Fail -“ Composite fittings used in the cooling system may crack, resulting in coolant leaks. Brass fittings are available to replace the composite fittings.

03-070

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

Non-Safety Campaign- Incorrect GHG emissions identifier label for the tire classification listed on printed label.

63-008

Service Bulletin/Repair Instructions

Non-Safety Campaign - OBD modem is unable to communicate to telematics systems.

18-008

Service Bulletin/Repair Instructions

Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.

7-17

Service Bulletin/Repair Instructions

Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.

26-029

Service Bulletin/Repair Instructions

Fix-As-Fail - A U1548 fault code is present in the DAVIE log file, with no fault lamp illuminated or other obvious symptoms.

34-058

Service Bulletin/Repair Instructions

Non-safety Campaign: Some vehicles were equipped with a power fuse harness covered with an aluminum-faced tape in the battery box area.

27-026

Service Bulletin/Repair Instructions

Eaton ultrashift plus excessive engine over-speed lamp on.

51-007

Service Bulletin/Repair Instructions

FIX-AS-REQUESTED - NAV+ HD SOFTWARE UPDATE FOR RANDOM REBOOT FIX AND MP3 FEATURES ENABLED.

Reading this report

Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.