I have swapped a 4L80 into my 69 chevelle with an 06 TBSS LS2, 4L80 and E40 PCM and did the wiring change and relays to run the trans. It ran fine for a while and now the pressures are acting all crazy all of a sudden. Does anyone know how to put a 4L80 program into my T42 controller so I can just wire it back to stock and run it correctly?
Jeff
Just another day on the laptop...
There is no 4L80 OS on a T42 compatible with the E40. There's no simple way unless you change the shift solenoid behavior and just hook the TCC enable solenoid wire straight to the PWM solenoid on the trans.
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I was hoping there has been some advancement since I swapped in the trans last year but guess not. Do you know why scanner would not let me be able to force the current to the force motor while driving. I am having erratic pressure issues while I drive and I was wanting to force the current near zero to see if it is a wiring issue or the actual force motor its self acting up.
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