My Sportage has suddenly over past 3 months started locking front brakes up on 2006 Kia Sportage

It comes to a complete standstill..first time..undid battery cable to let computer reset has started doing it about once every ten days..took it to repair shop n replaced the brake switch was fine bout a week & again doing same codes to computer..any guy wants to replace ABS module for almost $2000..I simply cant afford that & he says he's noy sure that will resolve problem...

by in Jacksonville, TX on March 14, 2014
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2 answers 1 comment
ANSWER by , March 14, 2014
I' was going to say it was abs module
ANSWER by , March 14, 2014
Next time it does this unplug vacuum hose from brake booster to see if brakes release,, possible booster problem. REATTACH HOSE after test!!!
COMMENT by , March 15, 2014
Good idea, I wasn't even thinking ,try that with the air...