Converter problem (New Thread) Question on lock up

BryanH · #1 (**permalink**) 01-11-2011, 03:41 PM

MY converter slowly stopped locking up and has not locked up for a month, So I replaced the converter last night thinking I was now King. The converter still will not lock up. It worked 1 time for 5 seconds then unlocked after I pulled my tuning and went to stock then put tunes back in. I pulled codes of
P0743
P0603
P0741.
What is the next step, I need to hit the Florida hwy here soon.

BryanH · #2 (**permalink**) 01-11-2011, 05:15 PM

bump...............

BryanH · #3 (**permalink**) 01-12-2011, 06:45 AM

One more bump...............................

FordNutz · #4 (**permalink**) 01-12-2011, 07:35 AM

P0743 is TCC circuit failure or open. You need to trace down and check your wiring (tcc circuit) and see if you have something wrong there.

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