Vehicle report

2022 KENWORTH W990

Service bulletins

46 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.

24KWL/PBL

Service Bulletin/Repair Instructions

The verbiage in the Introduction section has been updated.

43-088

Service Bulletin/Repair Instructions

The procedure has been updated to include additional steps for verifying the software level on the vehicle electronic control unit (VECU2) and digital display (DD). Steps have also been added to the PACCAR Common Rail Injection 2 (PCI2) software verification.

41-029

Service Bulletin/Repair Instructions

Incorrect air filters may be inadvertently installed in certain chassis equipped with under-hood Donaldson air filter housings.

E335

Service Bulletin/Repair Instructions

7/17/2026: Removed filter on KW Chassis List.

E316

Service Bulletin/Repair Instructions

The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to include the latest prognostics bulletin verbiage.

E318

Service Bulletin/Repair Instructions

The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to include the latest prognostics bulletin verbiage. The Warranty section has also been updated to include Peterbilt specific SRT codes for filing cross-division repairs.

CE019

Service Bulletin/Repair Instructions

Multiple fuel injector part numbers have been added to this warranty policy.

CE031

Warranty Program/Extension

KW & PB 14 fuel injector part numbers (seven for MX-11 and seven for MX-13 engines) have been added to this warranty policy.

E311

Service Bulletin/Repair Instructions

The PACCAR Powertrain Prognostics Webcast video link has been removed. It will be included with updated information at a later date.

43-080

Service Bulletin/Repair Instructions

KW: A new recommended repair has been added to verify the software level and close the campaign in SIR.The repair procedure has been updated with additional note boxes for clear instructions. PB: The repair procedure has been updated with additional note boxes for clear instructions.

02-177

Service Bulletin/Repair Instructions

Troubleshooting procedures for 2.1m cab power windows are now available.

43-087

Service Bulletin/Repair Instructions

(KW) Certain T680 / T800 / T880 / W900 / W990 have updated GHG labels available for order and installation.

41-024

Service Bulletin/Repair Instructions

Procedures have been updated to include additional truck models in the service intervals table.

E338

Service Campaign

Certain EPA21 PACCAR MX engines are equipped with PHINIA fuel injectors that do not meet PHINIA’s manufacturing specifications.

45-070

Service Bulletin/Repair Instructions

The attached procedures document has been updated with more detail and explanations. This is not a stand-alone procedure. Cummins Quickserve troubleshooting will specify the use of these procedures while troubleshooting specific fault codes.

14-034

Service Bulletin/Repair Instructions

Bogie Crossmember Torque Value Update - Procedure has been updated to correct torque values.

E326

Emissions

EPA17-24 MX Fuel Injector Connector - This bulletin has been revised to include all EPA17-24 and CARB24 PACCAR MX engines.

22KWE/PBE

Service Bulletin/Repair Instructions

Sheppard Recall Order Process Update - The Parts section has been updated with revised steps for opening a TCS365 Order Support – Order Inquiry case.

24PBE_KWE

Service Bulletin/Repair Instructions

The Parts section has been updated to clarify that freight charges for safety recall orders should not be passed on to the end customer.

24KWE / 24PBE

Service Bulletin/Repair Instructions

The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-hand shift stalk and the vehicle may result in the vehicle being disabled after it comes to a stop, thereby increasing the risk of crash or injury. A warning will appear on the dash display when communication is lost, including transmission or engine warnings, “!” next to DNR/DNRP indicator, “-“ in the DNR/DNRP indicator, and/or chimes, depending upon whether you are operating a diesel/gas or battery electric vehicle.

24PBE_24KWE

Warranty Program/Extension

24PBE_24KWE RH Shift Stalk Update Warranty section has been updated with revised verbiage for picture requirements.

24KWE/24PBE

Emissions

The parts section has been updated for clarity. The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-hand shift stalk and the vehicle may result in the vehicle being disabled after it comes to a stop, thereby increasing the risk of crash or injury. A warning will appear on the dash display when communication is lost, including transmission or engine warnings, “!” next to DNR/DNRP indicator, “-“ in the DNR/DNRP indicator, and/or chimes, depending upon whether you are operating a diesel/gas or battery electric vehicle.

24PBE/KWE

Warranty Program/Extension

The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-hand shift stalk and the vehicle may result in the vehicle being disabled after it comes to a stop, thereby increasing the risk of crash or injury. A warning will appear on the dash display when communication is lost, including transmission or engine warnings, “!” next to DNR/DNRP indicator, “-“ in the DNR/DNRP indicator, and/or chimes, depending upon whether you are operating a diesel/gas or battery electric vehicle.

24KWE

Service Campaign

The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-hand shift stalk and the vehicle may result in the vehicle being disabled after it comes to a stop, thereby increasing the risk of crash or injury. A warning will appear on the dash display when communication is lost, including transmission or engine warnings, “!” next to DNR/DNRP indicator, “-“ in the DNR/DNRP indicator, and/or chimes, depending upon whether you are operating a diesel/gas or battery electric vehicle.

FS016

Service Campaign

Campaign Certain chassis equipped with an Eaton Endurant 12-speed transmission have Mechatronic Transmission Module (MTM) rail cylinder cap screws that could become loose. This may cause the transmission not to shift and the transmission service lamp to illuminate. Repair procedure is now available.

E306

Service Bulletin/Repair Instructions

PACCAR MX-11 & MX-13 EPA2021 Fuel Filter Drain & Change Info Incorrect fuel filter drain and replacement procedures on EPA21 MX-11 and MX-13 engines can result in the following Debris and contaminants introduced into the high-pressure fuel system. Denial of warranty claims for injector and/or fuel system faults. Misfire, rough running, engine knock, and other associated faults and symptoms. Correct fuel filter procedures are outlined in attached service documentation.

E292 KW

Service Bulletin/Repair Instructions

Campaign Certain EPA2021 chassis equipped with PACCAR MX engines have Selective Catalytic Reduction (SCR) contamination that occurred during manufacturing. SCR assemblies will be inspected and replaced as necessary.

02-174

Service Bulletin/Repair Instructions

Certain W990 hood-mounted engine air intake covers could loosen and rattle or separate from vehicle. New air intake covers are available with improved retention. Installation of new covers requires hood modification. Procedures are available for replacement of hood-mounted engine air intake covers.

02-184

Service Bulletin/Repair Instructions

Certain W990 chassis may have hood hardware that could loosen. Additionally, some chassis may have hood rests that are too rigid causing excessive noise. Hood attaching hardware and hood rests will be replaced as necessary.

E290

Service Bulletin/Repair Instructions

FIX-AS-FAIL Updated procedures and claim filing 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

E283

Service Bulletin/Repair Instructions

PACCAR MX Engine Model Year 2021B Engine Fuel Injector Connectors Not Seated Campaign - Certain Model Year 2022 chassis equipped with an Engine Model Year 2021B PACCAR MX-11 or MX-13 engine may experience partially seated fuel injector electrical connectors. This will result in an intermittent connection between the engine controller (PCI-2) and the affected injectors, resulting in injector and/or misfire fault codes. Injector connectors will be inspected and reseated. The expiration date of this campaign has been extended from 07/01/2023 to 01/01/2024.

E300

Service Bulletin/Repair Instructions

PACCAR will reimburse customers for the local purchase of in-tank fuel additive for EPA2021 compliant MX engines. 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.

03-087 (E295)

Service Bulletin/Repair Instructions

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.

45-064

Service Bulletin/Repair Instructions

Info Only - PACCAR is introducing Over-the-Air (OTA) software updates for engine MY17 and newer chassis equipped with 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.

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.

E297

Service Bulletin/Repair Instructions

When updating the software on a truck to RC6 or higher, please ensure a PM sensor is physically installed before performing the software update.

32-021

Service Bulletin/Repair Instructions

Model Year 2022 chassis with Cummins X15 engines may have inoperative auto-start systems due to a Cummins software update. Refer to Cummins bulletin TSB210135.

E285

Service Bulletin/Repair Instructions

Emissions Recall: Engine Model Year 2021 MX engines built to EPA 21 emission standards (MY21B) and manufactured without a Particulate Matter (PM) sensor are required to have a PM sensor installed and the engine software updated. This is required for chassis to comply with current emissions standards.

E286

Service Bulletin/Repair Instructions

Engine Model Year 2021B and later PACCAR MX-11 and MX-13 Fuel Injector Adjustment During First C Service

13-059

Service Bulletin/Repair Instructions

On certain Model Year 2023 chassis with manual transmissions, the optional “Audible Alarm when Door is Open and Park Brake is not set” feature operates incorrectly due to a software issue. The software will be corrected when available

51-013

Service Bulletin/Repair Instructions

Due to major data carriers phasing out 3G networks, chassis currently utilizing first generation Peoplenet Mobile 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

02-168

Service Bulletin/Repair Instructions

Information Only - Rear axle Quarter Fenders with less than two inches of clearance between the top of the quarter 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. ​

21KWD

Service Bulletin/Repair Instructions

Information Only – 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 .

15-029

Service Bulletin/Repair Instructions

Information Only – Power steering reservoir cap may separate during removal when it is pulled upward instead of twisted.

32-017

Service Bulletin/Repair Instructions

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

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.

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.