Question about 1999 Honda Odyssey

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The check engine light came on, code is po740 tcc. torque control curcuit. how do i fix this?

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Well for the start if doesn't have problem when running i suggest do a transmission flush oil and filter (to get debris out of the fluid that might be clogging the solenoid up), or it could be an electrical problem (such as the solenoid, or wiring) or it could be the torque converter itself has failed (which would mean the entire transmission is likely ruined from the debris). It Is definitely a difficult problem to diagnose, and impossible to diagnose without taking anything apart (or at least test driving it with some diagnostic equipment). Starting with the basic (inexpensive) stuff like a fluid flush and filter change and working your way up from there is usually the best way to go, as long as the car is still drive able.

Posted on Jun 04, 2010

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1 Answer

P0740


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