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September 12, 2011 Service bulletin

Kenworth: on certain trucks, the eaton transmissions may be susceptible to having water intrusion which...

Kenworth technical service bulletin TIB-26-21 for 2011-2012 Kenworth T800, 2011-2012 Kenworth W900 and 2011 Kenworth T300 and others.

Bulletin number
TIB-26-21
Component
Power train: automatic transmission
Summary
Kenworth: on certain trucks, the eaton transmissions may be susceptible to having water intrusion which can cause the ecu to stop working. Loss of communication and primary function may require replacement of the ecu's failure mode.

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