2022 Kenworth W900 TSBs

It will be included with updated information at a later date.

filing.

(PB) Certain Model 367 / 389 / 567 / 579 / 589 have updated GHG labels available for order and installation.

Support Order Inquiry case.

Greenhouse Gas (GHG) labels available for installation.

Service Information Record (SIR) at the time of RO open date to qualify. Also, Through Standard Warranty or any applicable active Extended Warranty verbiage was removed from Warranty section.

EPA2021 injector cleaning is referenced in RMI for certain injector faults. Complete the procedures in E290. Refer to E300 for in-tank additive information

EPA2021 injector cleaning is referenced in RMI for certain injector faults. Complete the procedures in E290. Refer to E300 for in-tank additive information

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.

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.

This is a one-time reimbursement. Only customers who have received E290 injector cleaning qualify for this reimbursement. See bulletin for limits and purchase tracking requirements.

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.

provide warrantable repair guidance. Oil leaks, if not repaired, can lead to severe engine damage.

Refer to Cummins bulletin TSB210135.

Parts will be shipped to dealers.

fender and the bottom of the trailer/equipment are susceptible to damage. The lack of clearance could result in cracked/broken quarter fenders or complete separation if undetected or un-remedied.

Washer pumps may fail to spray due to a clogged filter.

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."

On certain Kenworth model years 2018 through 2024 C500/T660/T800/W900 trucks with Sears Atlas 70 or 80 series seats, a spacer was installed on the seatbelt mounting assembly. In a severe collision, the ICP bar may fail, increasing the risk of injury.

Sears Atlas 70 or 80 series seats, an additional spacer was installed on the seatbelt mounting assembly. In a severe collision, the ICP bar may fail allowing the seatbelt to slip, increasing the risk of injury. This bulletin will be updated when repair parts and procedures become available.

requirements per FMVSS/CMVSS 121 Air Brake Systems. This bulletin will be updated when repair parts and procedures are available.

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