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February 25, 2021 Service bulletin

Non-Safety Campaign – Chassis with the City Horn option may generate unexpected alerts

Kenworth technical service bulletin 32-018 for 2011-2022 Kenworth T680, 2006-2022 Peterbilt 579 and 2006-2022 Peterbilt 567.

Bulletin number
32-018
Component
Engine and engine cooling
Summary
Non-Safety Campaign – Chassis with the City Horn option may generate unexpected alerts. A VECU software update is available to resolve the issue.

Owners of these vehicles have filed 14 complaints in the engine category.

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