What Does It Mean When My Porsche Says GRAACC Fault Driving Permitted

The appearance of the "GRA/ACC fault driving allowed" message on the instrument cluster of a Porsche, simply means its ACC has some problems. And, something has to be done about it as soon as possible.

1. What Does It Mean When My Porsche Says GRA/ACC Fault Driving Permitted?

2. The appearance of “GRA/ACC fault Driving permitted” simply means:- - something is wrong with your Porsche's adaptive cruise control.

3. That something could be anything, big or small.

4. But, please be patient… this presentation will clear up your confusion.

5. How Important Is GRA/ACC?

6. With the help of ACC or Adaptive Cruise Control:- - a person can cruise at a constant speed without adjusting the accelerator.

7. The system can also adjust the vehicle's speed according to the traffic around it.

8. A throttle body helps ACC accomplish all of this.

9. Porsche’s "GRA/ACC fault Driving permitted" Activated- Here’s Why

10. Damaged speed sensor

11. Speed sensor is the one that monitors the speed of the vehicle.

12. Input provided by this sensor helps the following systems:- Engine control unit Anti-lock braking system And, yes… adaptive cruise control

13. It is possible that a fault in such an important sensor can cause ACC failure.

14. This may activate the "GRA/ACC fault Driving permitted" message.

15. Flawed distance sensor

16. To keep an eye on the traffic around the vehicle, ACC relies on:- Radar sensors Cameras Lasers

17. If one of these sensors goes bad, ACC won’t work.

18. This in turn may activate the “GRA/ACC fault driving allowed” message.

19. Electrical problems

20. Sensor, control unit, and other parts of the ACC rely on electricity to function.

21. If for some reason, the power supply to these parts gets interrupted ACC won't work.

22. And, the car will display a "GRA/ACC fault driving allowed" message.

23. Issue with the throttle

24. ACC relies on the throttle to regulate the engine speed.

25. So, obviously… a faulty throttle body can cause ACC failure.

26. This may activate the "GRA/ACC fault driving allowed" warning message.

27. End Note

28. If your Porsche displays “GRA/ACC fault driving allowed”, check its ACC.

29. Because, if you ignore the message, it will put your safety on the road in jeopardy.

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