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Q: Shifting problems on 1999 Mercury Sable

My 1999 Mercury Sable wagon will not shift. The code on the OBD 2 scanner was p1744. Can you help me with the diagonisis?
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This code is for the lock-up torque converter, and shouldn't cause the transmission to not shift, however this code can be a result of another problem, so you will need to have the transmission checked out. Let the shop know that there is a service bulletin that may be related to this fault - here is the info http://repairpal.com/mercury-sable-1999#tsb_6732
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