TC codes and flashing tow haul

[Korx]

Hey guys need some help or advice here..

I started up my truck this morning and I went for a quick drive to town and noticed that my torque converter wasn't locking up even when my cts said that I was in 5L, looked up the codes and realized I had p0741 and p1744. Cleared them and shut the truck off and went into the store.

Then I got back in and started driving home, codes came right back and my tow haul light started flashing. It was probably a 5 or so mile drive and by the time I got home my trans fluid temp was 165. Fluid is still red but I am curious if anyone has any insight on what this could be. I'm hoping its just the tcc solenoid and no the TC.

Any ideas?

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[Korx]

Well I dropped the pan and replaced the tcc solenoid and I don't notice a difference. No codes yet I am on the stock tune and have only driven about 15 miles.

Anyone have any other ideas?

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