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97 Transmission Studder - Error Code P1744

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Posted by: MKE

I have a 1997 Continental with 214,000 miles. Recently, I came to a stop at a T in the road, the motor running, the car would not move. After a few seconds it began to move again. I drove an additional 3 miles. I had a DTC P1744 (Torque Converter Clutch error). I checked with the local parts house, they suggested Lucus Transmission Fix and Dr. Transmission Shudder Fix.

I added both products (I change the transmission oil & filter every 25,000). I have run the car for 5,000 miles since. No DTC codes. No other problem except for a shudder shifting between 3rd & 4th. It shifts at 20 mph, 35, 55 & a hard shaking shift again at 56.

I have not drained the torque converter with each oil change. Is that causing the problem? Do I have a torque converter problem? Do I have a PCM problem? Do I have a TCC problem?

I will appreciate any help I can get.

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