2017 Kenworth W900 TSBs
35 Technical Service Bulletins across 11 categories
Categories
Engine
12 bulletinsProcedure pictures updated for clarity.
Read full bulletin
When troubleshooting Cummins X15 fault codes 555 or 556, follow this additional testing, inspection, and documentation procedure to help identify the root cause of dusted engines. This is not a stand-alone process but must be used alongside Cummins troubleshooting steps. Cummins Quickserve will reference this bulletin for fault codes 555 or 556.
SAFETY RECALL Additional chassis have been included.
Read full bulletin
The chassis list has been updated. Certain T370 / T440 / T470 / T480 / T660 / T680 / T800 / T880 / W900 / C500 chassis may be equipped with air tank reservoirs that have less than twelve times the combined volume of all service brake chambers which fail to conform to Federal Motor Vehicle Safety Standard (FMVSS) No.121, Air Brake Systems.
Emissions Recall Certain Vehicle Model Year 2017-2019 chassis equipped with EPA2017 compliant PACCAR MX-13 engines have...
Read full bulletin
an EGR flex pipe that can develop cracks and leak untreated exhaust. The EGR Flex pipe will be replaced if it has a suspect part number.
Certain chassis with Engine Model Year 2016-2021 PACCAR MX-11/MX-13, or EPA13 and EPA21 Cummins ISX12/ISX15/X15 engines...
Read full bulletin
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: PACCAR MX-13/MX-11 Engine MY17 Software Incorrectly Sets DTC P1092 PACCAR MX-13/MX-11 Engine MY17 Software...
Read full bulletin
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.
Info Only - PACCAR is introducing Over-the-Air (OTA) software updates for engine MY17 and newer chassis equipped with...
Read full bulletin
Cummins X15, X12, ISX12, ISX12N, L9N, PX-7, and PX-9 engines The technology will leverage the existing Remote Diagnostic cs hardware to deliver secure software updates remotely. This will reduce downtime and save on maintenance costs for eligible vehicles.
Kenworth is providing guidance for PACCAR MX Engine Composite Oil Pan leak troubleshooting to avoid over-repairs and to...
Read full bulletin
provide warrantable repair guidance. Oil leaks, if not repaired, can lead to severe engine damage.
An engine software update is required to resolve OBD system readiness, DEF doser diagnostics, and otherOBD system...
Read full bulletin
software related issues.
Selected engines have been identified to receive a camshaft inspection and an update for improved camshaft lubrication.
Eaton ultrashift plus excessive engine over-speed lamp on.
Fix-As-Fail - Composite fittings used in the cooling system may crack, resulting in coolant leaks.
Read full bulletin
Brass fittings are available to replace the composite fittings.
FIX-AS-FAIL - ENGINE OVER-SPEED LAMP COULD COME ON AFTER A DOWNSHIFT WITH THE EATON ULTRASHIFT PLUS TRANSMISSION.
Read full bulletin
THIS DOES NOT AFFECT THE FUNCTION OF THE VEHICLE.
Electrical
5 bulletinsFix-As-Fail Due to undersupply issues, only a limited supply of Diesel Exhaust Fluid (DEF) sensors are available.
Read full bulletin
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.
Fix-As-Fail The Battery Management System (BMS) may report the incorrect battery condition.
Read full bulletin
Additional diagnostics are available to correctly determine and repair the root cause of the issue.
Information Only: This bulletin provides dealers with a battery warranty quick reference guide to ensure the...
Read full bulletin
appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplete information.
Information Only Vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead...
Read full bulletin
to water intrusion and corrosion in some vehicles.
Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment damage.
Other
4 bulletinsDue to supplier constraints, an authorized aftermarket surge tank has been made available.
"Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes.
Read full bulletin
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."
Incorrectly sized bolts may allow the venturri support bracket to vibrate.
DEF tank covers may become loose and potentially crack on vehicles built before October 2019 with DEF tank part number...
Read full bulletin
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.
Software & Calibration
4 bulletinsThe Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to include the...
Read full bulletin
latest prognostics bulletin verbiage.
Bogie Crossmember Torque Value Update - Procedure has been updated to correct torque values.
CARB Chassis Update - Chassis list updated with 5 KW and 31 PB additional chassis.
Information Only - Vehicles built with NAMUX software from 2013 to present may experience accuracy issues with the tachometer.
Read full bulletin
The issue can be temporarily resolved using any one of the included procedures.
Brakes
2 bulletinsCertain C500/T440/T470/T660/T680/T800/T880/W900 chassis may have air tank reservoirs that do not meet air volume...
Read full bulletin
requirements per FMVSS/CMVSS 121 Air Brake Systems. This bulletin will be updated when repair parts and procedures are available.
Fix-As-Fail - Bendix New-Gen Lightweight Steer Axle Drum Brake Spider Cracking
HVAC & Climate
2 bulletinsInformation Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the...
Read full bulletin
A/C compressor.
Fix-As-Fail - C500, T440/T470, T800, W900 chassis HVAC Controllers may become unresponsive after rotating the temperature control knob quickly.
Read full bulletin
HVAC Controllers with improved firmware are available to resolve this issue.
Suspension
2 bulletinsFix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.
Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.
Fuel System
1 bulletinDue to major data carriers phasing out 3G networks, chassis currently utilizing first generation Peoplenet Mobile...
Read full bulletin
Gateway (PMG001) will experience severe 3G service degradation as early as January of 2022. Chassis currently utilizing 3G antennas as a primary antenna may experience this degradation
Body & Paint
1 bulletinInformation Only Windshield washer pumps have a high No Trouble Found rate.
Read full bulletin
Washer pumps may fail to spray due to a clogged filter.
Transmission
1 bulletinFix-As-Fail - Prior versions of Eaton Endurant transmission software may be prone to setting Linear Clutch Actuator...
Read full bulletin
(LCA) fault codes leading to possible LCA hardware replacement.
Pre-Delivery & Maintenance
1 bulletinInformation Only This bulletin provides information about the California Air Resources Board (CARB) Periodic Smoke...
Read full bulletin
Inspection Program (PSIP) and Heavy Duty Vehicle Inspection Program (HDVIP).