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October 18, 2022 Service bulletin

Info Only

Kenworth technical service bulletin 45-064 for 2017-2023 Kenworth T680, 2021 Peterbilt 379 and 2017-2023 Peterbilt 579 and others.

Bulletin number
45-064
Component
Engine and engine cooling
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.

Owners of these vehicles have filed 8 complaints in the engine category.

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