WenmarOpen by Wenmar Pro

Service bulletin 45-064

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10225578
Published by NHTSA2022-11-02
Manufacturer's number45-064
Manufacturer's date2022-10-18
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
KENWORTH C5002017 to 2019
KENWORTH C5002022 to 2023
KENWORTH K2702017 to 2018
KENWORTH K2702022 to 2023
KENWORTH K3702017 to 2018
KENWORTH K3702023
KENWORTH K370 DUAL-STEER2017
KENWORTH T1702017 to 2023
KENWORTH T1802021
KENWORTH T1802022
KENWORTH T2702017 to 2023
KENWORTH T2802021
KENWORTH T2802022, 2023
KENWORTH T3702017 to 2023
KENWORTH T3802018 to 2021
KENWORTH T3802022, 2023
KENWORTH T4102018 to 2021
KENWORTH T4402017 to 2023
KENWORTH T4702017 to 2023
KENWORTH T4802021
KENWORTH T4802022, 2023
KENWORTH T6002017 to 2020
KENWORTH T6602017 to 2019
KENWORTH T6802017, 2018, 2019, 2020, 2021, 2022, 2023
KENWORTH T8002017 to 2020
KENWORTH T800B2021 to 2023
KENWORTH T8802017, 2018, 2019, 2020, 2021, 2022, 2023
KENWORTH T880B2018, 2019, 2020, 2021 (the catalog's model; the bulletin names a series or trim of it)
KENWORTH W9002017 to 2023
KENWORTH W9902018, 2019, 2020, 2021, 2022, 2023
PETERBILT 2102017, 2018
PETERBILT 2102021
PETERBILT 2202017, 2018
PETERBILT 2202020, 2021, 2022, 2023
PETERBILT 3202017, 2018, 2019, 2020, 2021
PETERBILT 3252017, 2018, 2019, 2020, 2021, 2022, 2023
PETERBILT 3302017, 2018, 2019, 2020, 2021, 2022, 2023
PETERBILT 3372017, 2018, 2019, 2020, 2021, 2022, 2023
PETERBILT 3402021
PETERBILT 3482017, 2018, 2019, 2020, 2021, 2022, 2023
PETERBILT 3572021
PETERBILT 3652017, 2018, 2019, 2020, 2021, 2022, 2023
PETERBILT 3672017, 2018, 2019, 2020, 2021, 2022, 2023
PETERBILT 3782021
PETERBILT 3792021
PETERBILT 3822021
PETERBILT 3842017, 2018, 2019, 2020, 2021
PETERBILT 3852021
PETERBILT 3862017, 2018, 2019, 2020, 2021
PETERBILT 3872021
PETERBILT 3882017, 2018, 2019, 2020, 2021
PETERBILT 3892017, 2018, 2019, 2020, 2021, 2022, 2023
PETERBILT 5202017, 2018, 2019, 2020, 2021, 2022, 2023
PETERBILT 5352021
PETERBILT 5352022, 2023
PETERBILT 5362020 to 2021
PETERBILT 5362022, 2023
PETERBILT 5372020 to 2022
PETERBILT 5372023
PETERBILT 5482020 to 2023
PETERBILT 5672017, 2018, 2019, 2020, 2021, 2022, 2023
PETERBILT 5792017, 2018, 2019, 2020, 2021, 2022, 2023
PETERBILT 5872017, 2018, 2019, 2020, 2021
PETERBILT PB220 DUAL-STEER2017

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20224702022-08-18. Engine
22V6310002022-08-17. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
21V0800002021-02-17. ENGINE
18V6570002018-09-21. ENGINE AND ENGINE COOLING:ENGINE:DIESEL
20162892016-06-08. Engine

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
P0012026-09-29. Service bulletin. "Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes. 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."
E3432026-09-23. Service bulletin. An exhaust manifold slip joint seal kit is now available for EPA 2017-2024 PACCAR MX-13 engines.
43-0882026-08-20. Service bulletin. 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.
E3162026-08-01. Service bulletin. 235 chassis have been removed from the chassis list and unflagged in PRWS due to expiration of applicable warranty coverage. 5 chassis have been added to the chassis list. The total chassis population is now 15,637.
E3112026-07-30. Service bulletin. 105 chassis have been removed from the chassis list and unflagged in PRWS due to expiration of applicable warranty coverage. Total chassis population is 732.
43-0882026-07-23. Service bulletin. This optional software update is now available for chassis equipped with EMY 2021B-2023 PACCAR MX-11 and MX-13 engines. This update provides customers with additional time to service their trucks before a DEF-related derate occurs. The software is being offered to customers in alignment with recently updated regulatory agency guidance.
E3352026-07-22. Service bulletin. 7/17/2026: Removed filter on KW Chassis List.
41-0292026-07-22. Service bulletin. Incorrect air filters may be inadvertently installed in certain chassis equipped with under-hood Donaldson air filter housings.
E3182026-07-22. Service bulletin. 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.
E3162026-07-21. Service bulletin. The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to include the latest prognostics bulletin verbiage.