DTC B2753: Horn Relay Coil Circuit High (Century & Regal): Description

Vehicle horns are activated whenever ground is applied to horn relay coil through horn relay control circuit. Ground may be applied by either the Body Control Module (BCM) or horn switch. DTC B2753 will set if BCM detects a short to voltage in horn relay control circuit for approximately 300 milliseconds. BCM stores DTC B2753 in memory. A current DTC will clear when fault no longer exists and ignition switch is cycled. A history DTC will clear after 100 consecutive ignition cycles without a fault present. A scan tool may be used to clear history and current DTC(s).