My tcc wont stay locked when i let up on the pedal to keep my speed at 70 on the highway.The transmission shifts fine and I have cleaned my tps.The clutch locks up ok but when i ease up to keep from going past 70 it unlocks.Is there anything I can adjust to keep it locked.I guess I will add the mystery switch if i cant adjust it.I have read allI can find on here about it but it isnt the repeated lock unlock that alot of people have .It just stays unlocked until I step down on the pedal and accelerate and it locks right up..thanx for any help.

 

I had the same problem, took the TPS wires out of the main wire harness. That did not help. I had to replace the shaft that comes out of the pump. Cost me about 300Can to have it done.

 

did you ever try to adjust the tps like it says on dodgeram.org.thanx for the reply