# 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.

- Type: Service bulletin
- NHTSA id: 10225578
- Published by NHTSA: 2022\-11\-02
- Manufacturer's number: 45\-064
- Manufacturer's date: 2022\-10\-18
- NHTSA component: ENGINE 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10225578-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10225578-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Vehicles listed

- 2017 to 2019 KENWORTH C500
- 2022 to 2023 KENWORTH C500
- 2017 to 2018 KENWORTH K270
- 2022 to 2023 KENWORTH K270
- 2017 to 2018 KENWORTH K370
- 2023 KENWORTH K370
- 2017 KENWORTH K370 DUAL\-STEER
- 2017 to 2023 KENWORTH T170
- 2021 KENWORTH T180
- 2022 KENWORTH T180
- 2017 to 2023 KENWORTH T270
- 2021 KENWORTH T280
- 2022 to 2023 KENWORTH T280
- 2017 to 2023 KENWORTH T370
- 2018 to 2021 KENWORTH T380
- 2022 to 2023 KENWORTH T380
- 2018 to 2021 KENWORTH T410
- 2017 to 2023 KENWORTH T440
- 2017 to 2023 KENWORTH T470
- 2021 KENWORTH T480
- 2022 to 2023 KENWORTH T480
- 2017 to 2020 KENWORTH T600
- 2017 to 2019 KENWORTH T660
- 2017 to 2023 KENWORTH T680
- 2017 to 2020 KENWORTH T800
- 2021 to 2023 KENWORTH T800B
- 2017 to 2023 KENWORTH T880
- 2018 to 2021 KENWORTH T880B
- 2017 to 2023 KENWORTH W900
- 2018 to 2023 KENWORTH W990
- 2017 to 2018 PETERBILT 210
- 2021 PETERBILT 210
- 2017 to 2018 PETERBILT 220
- 2020 to 2023 PETERBILT 220
- 2017 to 2021 PETERBILT 320
- 2017 to 2023 PETERBILT 325
- 2017 to 2023 PETERBILT 330
- 2017 to 2023 PETERBILT 337
- 2021 PETERBILT 340
- 2017 to 2023 PETERBILT 348
- 2021 PETERBILT 357
- 2017 to 2023 PETERBILT 365
- 2017 to 2023 PETERBILT 367
- 2021 PETERBILT 378
- 2021 PETERBILT 379
- 2021 PETERBILT 382
- 2017 to 2021 PETERBILT 384
- 2021 PETERBILT 385
- 2017 to 2021 PETERBILT 386
- 2021 PETERBILT 387
- 2017 to 2021 PETERBILT 388
- 2017 to 2023 PETERBILT 389
- 2017 to 2023 PETERBILT 520
- 2021 PETERBILT 535
- 2022 to 2023 PETERBILT 535
- 2020 to 2021 PETERBILT 536
- 2022 to 2023 PETERBILT 536
- 2020 to 2022 PETERBILT 537
- 2023 PETERBILT 537
- 2020 to 2023 PETERBILT 548
- 2017 to 2023 PETERBILT 567
- 2017 to 2023 PETERBILT 579
- 2017 to 2021 PETERBILT 587
- 2017 PETERBILT PB220 DUAL\-STEER

## Recalls for the same vehicles and component

- [2022470](/recalls/tc/2022470.md), 2022-08-18: Engine
- [22V631000](/recalls/nhtsa/22V631000.md), 2022-08-17: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\)
- [21V080000](/recalls/nhtsa/21V080000.md), 2021-02-17: ENGINE
- [18V657000](/recalls/nhtsa/18V657000.md), 2018-09-21: ENGINE AND ENGINE COOLING:ENGINE:DIESEL
- [2016289](/recalls/tc/2016289.md), 2016-06-08: Engine

## Other bulletins for the same vehicles and component

- [P001](/bulletins/11037541.md), 2026-09-29, Service bulletin: ENGINE. "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."
- [E343](/bulletins/11037451.md), 2026-09-23, Service bulletin: ENGINE. An exhaust manifold slip joint seal kit is now available for EPA 2017\-2024 PACCAR MX\-13 engines.
- [43\-088](/bulletins/11036289.md), 2026-08-20, Service bulletin: ENGINE. 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.
- [E316](/bulletins/11035430.md), 2026-08-01, Service bulletin: ENGINE. 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.
- [E311](/bulletins/11035343.md), 2026-07-30, Service bulletin: ENGINE. 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\-088](/bulletins/11035202.md), 2026-07-23, Service bulletin: ENGINE. 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.
- [E335](/bulletins/11035150.md), 2026-07-22, Service bulletin: ENGINE. 7/17/2026: Removed filter on KW Chassis List.
- [41\-029](/bulletins/11035149.md), 2026-07-22, Service bulletin: ENGINE. Incorrect air filters may be inadvertently installed in certain chassis equipped with under\-hood Donaldson air filter housings.
- [E318](/bulletins/11035147.md), 2026-07-22, Service bulletin: ENGINE. 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.
- [E316](/bulletins/11035112.md), 2026-07-21, Service bulletin: ENGINE. The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to include the latest prognostics bulletin verbiage.

JSON: [/v1/bulletins/10225578](/v1/bulletins/10225578)

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