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.
- Ignition - On / Vehicle - In Service Mode
- Press the appropriate button on the keyless entry transmitter
Very the P12A Horn - High Note and the P12B Horn - Low Note activate and emit a clear and even tone.
- If none of the components operate
Refer to: Circuit/System Testing - Test 1
- P12A Horn - High Note & P12B Horn - Low Note - InoperativeorIf an abnormal noise is present
Refer to: Circuit/System Testing - Test 2
- Go to next step: If the component turns On and Off & If no abnormal noise is present
- If none of the components operate
- 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 - Test 3
- Go to next step: If the component turns On and Off
- If the component does not turn On and Off
- A fault is not currently present and may be an intermittent condition