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Volt Premier
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Data Communication System - DTC B1000 To DTC U1817
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Diagnostic Information and Procedures
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DTC U0074: Control Module Communication Powertrain Expansion CAN Bus Off
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Conditions for Clearing the DTC
Conditions for Clearing the DTC
A current DTC clears when the malfunction is no longer present.
A history DTC clears when the device ignition cycle counter reaches the reset threshold, without a repeat of the malfunction.
DTC U0074 is a type A DTC.