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Home >> Chevrolet >> 2003 >> Tahoe 4.8 V, RWD >> Repair and Diagnosis (Single Page) >> Body & Frame >> Mirrors >> Stationary Window System >> Diagnostic Information and Procedures >> Scan Tool Data Definitions >> Body Control Module (BCM)
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Body Control Module (BCM)

Rear Defog Relay:  The scan tool displays On or Off. When the BCM energizes the RR DEFOG relay, the scan tool will display On. When the BCM de-energizes the RR DEFOG relay, the scan tool will display Off.

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