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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1556 (Data Communication System) >> Diagnostic Information and Procedures >> DTC U209D >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

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

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