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Home >> Chevrolet >> 2001 >> Camaro Base, 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (Steering Column Switches) >> Diagnostic Tests >> DTC B2527: Horn Relay Circuit & DTC B2528: Horn Relay Circuit >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

DTC B2527 is set when BCM detects a low voltage level in horn relay control circuit. BCM can only test system circuit with horn relay de-energized and condition must exist for more than 2 seconds.

DTC B2528 is set when BCM detects a high voltage level in horn relay control circuit. BCM can only test system circuit with horn relay energized and condition must exist for more than 2 seconds.

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