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Home >> Cadillac >> 2002 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 644 (Lighting Systems) >> Diagnostic Information and Procedures >> DTC B2647: Ambient Light Sensor Signal Reference Circuit Open Or Shorted >> Conditions for Running the DTC
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Conditions for Running the DTC

WARNING: This page is about a different car, the 2002 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

The ignition switch is in the ON position.

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