how to fix audi pre sense system fault

The Audi Pre Sense system is a safety feature designed to help prevent accidents and minimize their impact. If you are experiencing a “Pre Sense System Fault” message or warning light on your Audi’s dashboard, it means that there is a problem with the system that needs attention. Here are the steps to address and potentially fix this issue:

Note: Diagnosing and repairing the Pre Sense system fault may require specialized knowledge and equipment. If you are unsure about any aspect of these steps, it is recommended to seek professional assistance from an authorized Audi service center or a qualified mechanic.


  1. Safety Precautions:
    • Ensure that the vehicle is parked safely and the engine is turned off.
    • If the “Pre Sense System Fault” warning light is illuminated, be aware that some safety features of the Pre Sense system may be temporarily disabled.
  2. Check for Obstructions:
    • Inspect the area around the vehicle, including the front and rear sensors, cameras, and radar sensors (if equipped), for any obstructions or blockages. Make sure they are clean and free from dirt, snow, or debris.
  3. Restart the Vehicle:
    • Sometimes, the warning message or fault indication can be due to a temporary glitch. Turn off the ignition, wait for a minute or two, and then restart the vehicle to see if the fault message clears.
  4. Consult the Owner’s Manual:
    • Refer to your Audi owner’s manual for guidance on interpreting the “Pre Sense System Fault” message and troubleshooting steps specific to your vehicle model.
  5. Check for Diagnostic Codes:
    • Use an OBD-II scanner or diagnostic tool to check for any diagnostic trouble codes (DTCs) related to the Pre Sense system. These codes can provide more specific information about the issue.
  6. Inspect Sensors and Components:
    • Visually inspect the sensors, cameras, and radar components associated with the Pre Sense system for any damage, loose connections, or wiring issues. Repair or replace damaged components as needed.
  7. Battery Voltage Check:
    • Low battery voltage can sometimes trigger fault warnings in vehicle systems. Ensure that the vehicle’s battery is in good condition and has sufficient voltage. If the battery is weak, consider replacing it.
  8. Reset the System (if applicable):
    • Some Audi models allow you to reset the Pre Sense system by following specific procedures outlined in the owner’s manual. This may involve pressing certain buttons or using the MMI (Multi Media Interface) system.
  9. Seek Professional Service:
    • If you are unable to identify or resolve the issue on your own, or if the “Pre Sense System Fault” warning persists, it is advisable to schedule an appointment with an authorized Audi service center or a qualified mechanic with expertise in Audi systems.
    • The service technicians will have access to specialized diagnostic equipment to pinpoint the exact cause of the fault and perform necessary repairs or software updates.
  10. Keep Records:
    • Maintain records of any repairs or service performed on the Pre Sense system for future reference.

Safety systems like the Audi Pre Sense system are essential for your safety and the safety of others on the road. Addressing and resolving any faults or malfunctions promptly is crucial to ensure these systems operate effectively.