why causes a transmission to go into failsafe mode? on 2001 Nissan Sentra

My car is apparently only running on third gear and does not seem to shift to other gears.

by in Culebra, PR on August 08, 2013
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1 answer
ANSWER by , August 08, 2013
ITS 2ND GERA AND YOU MUST HAVE TRANS CODES TO MAKE IT DEFAULT TO FAIL SAFE. GET A FREE DIAG AND EST FROM AAMCO THEN CK PRICES