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Home >> Cadillac >> 2016 >> ELR >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Data Communication System - DTC U183C To DTC U2615 And Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC U2604: Battery Energy Control Module Lost Communication with Hybrid/EV Battery Interface Control Module 2 >> Diagnostic Fault Information
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Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
5 V Reference U2604 U2604 - -
High Voltage Fault Signal U2604 U2604 - -
BECM Dedicated Serial Data (+) U2401 U2401, U2604 U2401 -
BECM Dedicated Serial Data (-) U2401 U2401, U2604 U2401 -
Low Reference - U2604 - -
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