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2014
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Escalade Base, AWD
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Data Communication System
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Diagnostic Information and Procedures
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DTC U1886: Battery Energy Control Module Lost Communication With Engine Control Module (ECM)/Powertrain Control Module (PCM)
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Conditions for Running the DTC
Conditions for Running the DTC
The system voltage is between 9-16 volts.
The vehicle power mode master requires serial data communication to occur fro this specific module.