Guys I'm new here, but read a lot and have previous experience with cars.

Right now i have an unknown problem with my brakes/traction control.

From time to time when I hit brakes the pedal falls down (like slips down) and comes back to normal in a second or two. After that ABS in combo with TCS off lights come in and stay on. Sometimes Slip light also comes in with them.

It happens from time to time now, sometimes 4 times while driving for 5-6 miles. In addition to that - when it happens one time they come in and another time disappear.

I checked for codes and it gave two p0140 codes, but they were present before current light appeared.


I would like to hear your ideas for a solution or if someone had the same issue.

 

I would start by cleaning the ABS sensors with brake cleaner. How about flushing the brake fluid?I would start with the easy stuff.

 

brake fluid was flushed when i changed brakes and rotors - 1800 miles ago, two months ago

will try to clean up sensor later this week and will get back to you

 

You might also want to check the connections. The driver side connection is under the air box, passenger side is right by the power steering reservior.