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June 1, 2023 Service bulletin

E279: paccar MX-13/MX-11

Kenworth technical service bulletin E279 for 2016-2019 Kenworth T680, 2016-2019 Kenworth T800 and 2016-2019 Kenworth W900 and others.

Bulletin number
E279
Component
Engine and engine cooling
Summary
E279: PACCAR MX-13/MX-11 Engine MY17 Software Incorrectly Sets DTC P1092 PACCAR MX-13/MX-11 Engine MY17 Software Incorrectly Sets DTC P1092 Emission Recall - PACCAR MX-13/MX-11 MY2017 software incorrectly sets DTC P1092, which could result in reduced available engine torque and/or engine protection mode. An engine software update is available that corrects the issue.

Owners of these vehicles have filed 3 complaints in the engine category.

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