1997 Audi A8 Quattro Q&A

1997 Audi A8 Quattro Question: check engine light,fail safe mode

car ran fine then check engine light came on .then the car went into fail safe mode[when put into gear all gear selector lights illuminate]if i move it it runs like in low gear -
Answer 1
car went into safe mode after chk engine light came on gear selector illuminates -