I have that dreaded warning light and it goes on everytime I step on the brake; even when the car is on park. I brought it to one shop who hooked it up to a computer and tells me the whole ABS unit has to be replaced ($3600 part). Took it to another shop for a quick look and tells me the code is showing up as "pressure sensor"



From my understanding, there's the whole ABS unit which consists of the hydraulic pump and the module that controls it, an ABS anti-block sensor which is part #5, and four ABS speed sensors at each wheel.

The shop that hooked up my car to the autologic said i needed to replace the whole unit. Another shop hooked up my car to his laptop and got the "pressure sensor" warning. I wonder if durametric would tell me exactly which sensor is faulty.

I took a look underneath the car and found no leaks. The brakes still work.

 

Perhaps durametric, but you may need PST2 or PIWIS to find the faulty sensor...

 

i think i figured it out! i had my brother step on the brake while i looked at the rear brake light. it goes on once and then doesn't light up after stepping on the brake multiple times. please tell me my problem is the brake light switch!

 

^ bingo. i will try to find you the troubleshooting site i had specifically for this.
one of the possible causes is the brake light switch. thats probably what it is. good luck amigo !

 

Just had the same problem it was pressure sensor. Quick easy and cheap fix.

 

Yes you are correct - brake switch.

 

I had same problem brake switch, it's annoying