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July 1, 2025 Service bulletin

EMUX retrofit procedures updated to make it clear that the VECU3 must have software updated and vehicle...

Kenworth technical service bulletin R2306 - KW for 2024-2025 Kenworth T680, 2024-2025 Kenworth W900 and 2024-2025 Kenworth T880 and others.

Bulletin number
R2306 - KW (R2306 - KW)
Component
Engine
Summary
EMUX retrofit procedures updated to make it clear that the VECU3 must have software updated and vehicle mileage confirmed correct before updating the Digital Display. Parts and Procedure section also updated to include the Vehicle Emissions Control Information label ordering and installation instructions. This label is required for all chassis involved in R2306. Included additional reference to Cummins bulletin C7014 in the procedure section for ordering emissions labels.

Owners of these vehicles have filed 1 complaints in the engine category.

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