GM Service Manual Online
For 1990-2009 cars only
Makes
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GMC_Truck
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2003
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Yukon - 2WD
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Body and Accessories
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Stationary Windows
🢒 Scan Tool Data Definitions
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.