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Home >> Cadillac >> 2016 >> ELR >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System - DTC B1000 To DTC U183B >> Diagnostic Information and Procedures >> DTC U1839: Auxiliary Transmission Fluid Pump Control Module Lost Communication with Engine Control Module >> Action Taken When the DTC Sets

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Action Taken When the DTC Sets

The DTC U1839 is a type B DTC.

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