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Home >> Chevrolet >> 2015 >> Spark EV >> Repair and Diagnosis >> Engine Performance >> Data Communication System - DTC B1000 To DTC U1839 >> Diagnostic Information and Procedures >> DTC U1839: Auxiliary Transmission Fluid Pump Control Module Lost Communication with Engine Control Module >> Conditions for Setting the DTC

Conditions for Setting the DTC

A supervised periodic message that includes the transmitter device availability has not been received.

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