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Horn System Check

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.
  1. Install scan tool. Turn ignition on. Check for any Body Control Module (BCM) or theft deterrent DTCs related to horn operation. If related DTCs exist, go to appropriate procedure for DTC set. See BODY CONTROL MODULES - CORVETTE and/or ANTI-THEFT SYSTEMS - CORVETTE articles. If DTCs do not exist, go to next step.
  2. Turn ignition off. Remove scan tool. Depress horn switch. If horns sound, go to next step. If horns do not sound, see HORNS INOPERATIVE  under SYMPTOM TESTS.
  3. Release horn switch. If horn stops sounding, horn system is okay at this time. If horn continues to sound with horn switch released, see HORNS ALWAYS ON  under SYMPTOM TESTS.
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