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Home >> Chevrolet >> 2014 >> Tahoe LS, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC U209D: Battery Energy Control Module High Speed Communication Enable Circuit High >> Conditions for Setting the DTC
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Conditions for Setting the DTC

The BECM receives voltage from the BCM on wake up signal circuit 5986 for 3 seconds with the ignition OFF.

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