Circuit/System Verification
- Ignition ON.
- Verify there are no other DTCs set and that there are no communication DTCs set in the vehicle.
- If any DTC's are set
- Go to next step: If no DTC's are set
- Verify the scan tool Cruise Control Inhibit History 1 - 6 Data and Cruise Control Disable History 1 - 6 Data indicate no current malfunction.
- If any current malfunctions are present
Diagnose the system that sets the malfunction.
- Go to next step: If no current malfunctions are present
- If any current malfunctions are present
- Verify the following scan tool parameters are all No:
- Long Range Radar Sensor Module Misaligned - Angled Down
- Long Range Radar Sensor Module Misaligned - Angled Left
- Long Range Radar Sensor Module Misaligned - Angled Right
- Long Range Radar Sensor Module Misaligned - Angled Up
- If any of the parameters are Yes
Repair and align the B233B Radar Sensor Module - Long Range and perform the Radar Sensor Module - Long Range Learn .
- Go to next step: If all of the parameters are No
- Verify the scan tool Frontview Camera Mode parameter is Sensing.
- If the parameter is Not Sensing
Perform the Front View Camera Module Learn .
- Go to next step: If the parameter is Sensing
- If the parameter is Not Sensing
- Verify the SERVICE FRONT CAMERA message is not displayed on the driver information center.
- If the message is displayed
Refer to Circuit/System Testing - Test 1
- Go to next step: If the message is not displayed
- If the message is displayed
- Press and release the Adaptive Cruise Control Gap Switch.
Verify the adaptive cruise control gap setting on the A5 Driver Information Center changes between Far, Medium, and Near with each button press.
- If the gap setting does not change
Refer to Circuit/System Testing - Test 2
- Go to next step: If the gap setting changes
- If the gap setting does not change
- Refer to Diagnostic Aids.
The Cruise Control Inhibit History Data and Cruise Control Disable History Data can be found in the K124 Active Safety Control Module Data Display
The Long Range Radar Sensor Module Misaligned scan tool parameters can be found in the B233B Long Range Radar Sensor Module Data Display
The Frontview Camera Mode parameter can be found in the K124 Active Safety Control Module Data Display