Non-Safety Campaign âÃÂàVehicles with a Cummins X15 engine and Horton fan drive may set...
Kenworth technical service bulletin 42-059 for 2018-2020 Kenworth T680 and 2016, 2018-2020 Kenworth T880.
- Bulletin number
- 42-059
- Component
- Engine and engine cooling
- Summary
- Non-Safety Campaign âÃÂàVehicles with a Cummins X15 engine and Horton fan drive may set Diagnostic Trouble Code (DTC) 6637 and/or 3838 due to fan speed that results in the fan remaining activated until the power is cycled. A new controller will resolve the issue.
Owners of these vehicles have filed 2 complaints in the engine category.
Vehicles covered
- Kenworth T680 2018-2020 201820192020
- Kenworth T880 2016, 2018-2020 2016201820192020
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