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2014
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Savana 1500 LS, AWD
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Data Communication System
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Diagnostic Information and Procedures
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DTC U0074: Control Module Powertrain Expansion Communication Bus
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Action Taken When the DTC Sets
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Action Taken When the DTC Sets
The module suspends all message transmission.
The control module uses default values for all parameters received on the serial data circuits.
The control module inhibits the setting of all other communication DTCs.