1995 aurora 56 input speed circuit problem May 13, 2020 18:15:23 GMT -6 via mobile Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by cochese187 on May 13, 2020 18:15:23 GMT -6 I'm pulling this code on the 95 aurora... Seems like a wheel sensor problem. Has anyone seen this code and where should I start to diagnose.56 input speed circuit problem