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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Steering Column & Steering Column Switches) >> Diagnostic Tests >> DTC B2752: Horn Relay Coil Circuit Low >> Circuit Description

Circuit Description

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DTC sets when Body Control Module (BCM) detects an open or a short to ground in Black wire between BCM and horn relay for more than 3 minutes. System voltage must be 9-16 volts and horn is activated.

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