LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2014 >> Escalade Base, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC U209D: Battery Energy Control Module High Speed Communication Enable Circuit High >> Diagnostic Fault Information
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Wake Up Signal (circuit 5986) U209A in SDGM or U2099 in BCM U209A* U209D** -
* Other modules will set other DTC with this fault.
** Will set DTC U209D as current with the key OFF, and as history with the key ON. Will also likely cause a parasitic drain on battery.
scientia non olet · About LEMON Manuals