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Greg, Technician
Category: Car
Satisfied Customers: 7060
Experience:  Automotive diagnostic tech
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my abs light come on when wet , i have cleaned plug that goes

Resolved Question:

my abs light come on when wet , i have cleaned plug that goes into pump , then the weather was fine lights went out , a bit of rain abs lights back on , changed rear wheel sensor as well , same problem , lights back on
Submitted: 3 years ago.
Category: Car
Expert:  Greg replied 3 years ago.



What you need to do first is check for ABS malfunction codes .


From the codes you will then know what part of the system is being affected by the rain.


Most likely one of the wheel speed sensors checking for codes will let you which one .


Do a ABS code check then please get back to me with the code.


Rgds Greg

Customer: replied 3 years ago.

ok greg let you know tomorrow

Customer: replied 3 years ago.

the code that came up was v-u0415 anti-lock brake brake system control module, on tester it said right rear abs sensor ,i have notice as well the brake pedal feels soft and creeps could it be air in the system as well , i have not changed the speed sensor ring could it be the ring

Expert:  Greg replied 3 years ago.
Hi Roy .

After replacing the sensor was the codes cleared .

You have to be careful also when you have the U0415.

I need to know which car you have model engine year and id 4wd or 2wd

Rgds Greg

Customer: replied 3 years ago.

it,s a 1.4 16 valve 207XXXXX57 plate , yes the code was re set after new sensor fitted and brakes bled , lights stayed out for a while, the lights came back on , abs light keeps going off and on , do you think it needs a new sensor ring , or the brakes bleeding

Expert:  Greg replied 3 years ago.
Roy after seeing the warning light come back on after the repairs and reset did the U0415 and any other codes come back.
Customer: replied 3 years ago.

no said no codes detected

Customer: replied 3 years ago.

no , greg

Customer: replied 3 years ago.

it sounds as though it keep resetting it self

Expert:  Greg replied 3 years ago.
Hi Roy will not be resetting but be more like intermittent.

Recheck for codes as this looks like a bad ABS module but I need the codes if any .

Customer: replied 3 years ago.

can you tell me where the abs module is on the car please

Customer: replied 3 years ago.

ps brakes feel soft and a little bit of creep could this give you a falls reading i have fitted a new slave cilinder on that side

Expert:  Greg replied 3 years ago.
Hi Roy n.

ABS module is on the ABS Pump.

And yes this could be your problem if the master cylinder gets replaced the system has to be bleed with the scan tool in ABS systems and bleeding brake system.
You must do this after master cylinder is replaced.

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Rgds Greg
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