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August 24, 2012 Service bulletin

Kenworth: some trucks have mismatch of engine calibration software and allison hardware resulting in...

Kenworth technical service bulletin TIB-26-022 for 2010 Kenworth T370 and 2010 Kenworth T270.

Bulletin number
TIB-26-022
Component
Power train: automatic transmission: control module (TCM/PCM/tecm)
Summary
Kenworth: some trucks have mismatch of engine calibration software and allison hardware resulting in hydraulic pressure being improper for shift control. Models 2010 t270s and t370s.

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