check engine light and ac/heater
#1
check engine light and ac/heater
had problems with transmission control unit...on 2002 s500...water got in fuse box...tcu bad ...replaced it...now check engine light comes on...760 code wrong gear ratio...cant pass emissions.....heater/ac.....blows heat on drivers side and cold air on passenger side....same problem when i have the air on as well...sos