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Home >> Cadillac >> 2012 >> Escalade Base, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Data Communications System >> Diagnostic Information and Procedures >> DTC U209D >> Diagnostic Fault Information
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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.
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