break booster fault

[javeedh]

i have a 2008 Cayenne and i am having a break booster faulty warning light on the dash. but i cant find anything wrong with the car. what should i be checking for.

[pinto]

Better get it checked and then change the brake booster, if needed.

As brake booster is the one controlling the pressure in all 4 wheels brake. There must be something wrong or may be less brake fluid (so top up). Dont ignore it.