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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 202 (Horns And Pedestrian Alerts) >> Diagnostic Information and Procedures >> DTC B13E7 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On / Vehicle - In Service Mode
  2. Operate the component: S33 Steering Wheel Horn Contact - Pressed

    Verify the component turns On and Off: P12A Horn - High Note & P12B Horn - Low Note

    • If the component does not turn On and Off 

      Refer to: Circuit/System Testing

    • Go to next step: If the component turns On and Off 
  3. A fault is not currently present and may be an intermittent condition