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Repair and Diagnosis (Single Page)
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Engine Performance
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Data Communication System - DTC B1000 To DTC U183B
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Diagnostic Information and Procedures
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DTC U1839: Auxiliary Transmission Fluid Pump Control Module Lost Communication with Engine Control Module
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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.