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CT6 Plug-In
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Data Communication System - DTC B1000 To DTC U1818
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Diagnostic Information and Procedures
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DTC U1818: Lost Communication with Engine Control Module on Powertrain Expansion Communication Bus
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Conditions for Running the DTC
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Conditions for Running the DTC
The system voltage is at least 10 V.
The vehicle power mode master requires serial data communication to occur from this specific device.