2006 Corvette A6 Trans Issue After Flashing

[[email protected].]

Unusual Issue with a 2006 Vette. Attached is the Tune pulled from the Computer.

Problem is HPtuners cannot identify Trans Controller,

unknown controller.jpg

So I manually input T43 GM A6, the trans compatible in on this car.

unknown controller t43.jpg

Tune pulls up fine and can change the values. Tune compares to other Stock tunes pulled from 2006 A6 Vette's.

Flashing back into the PCM/TCM has no errors and issues.

Once I'm out on the road driving, the Trans is stuck in one gear and in limp mode, shifting down to sport mode and choosing gear the heads up display shows random gears changing from 2 to 5, TCM is confused, obviously the wrong TCM parameters are input/flashed into the TCM.

Any attempt to read actual controller in car has failed, in both ACC/and Ignition mode on.

Don't want to take the car to the Dealer to re-flash a stock tune. Hope someone can help.

Thank you !

moreen red vette 2.hpt

[[email protected].]

20 views. no replies ?

[MarkTucker]

You can shoot a email over to support to see what they have to say before taking to dealer for a stock reflash.

But you won't get a reply until monday most likely, being the weekend.

I have not ran into that issue before, so not much help.

[Ben Charles]

If you out the factory tune back in does it fix the issue and the trans work!???

If so its a tq managment setting.... Freaks out on some 6speed autos

[STAGEUP]

Unusual Issue with a 2006 Vette. Attached is the Tune pulled from the Computer.

Problem is HPtuners cannot identify Trans Controller,

unknown controller.jpg

So I manually input T43 GM A6, the trans compatible in on this car.

unknown controller t43.jpg

Tune pulls up fine and can change the values. Tune compares to other Stock tunes pulled from 2006 A6 Vette's.

Flashing back into the PCM/TCM has no errors and issues.

Once I'm out on the road driving, the Trans is stuck in one gear and in limp mode, shifting down to sport mode and choosing gear the heads up display shows random gears changing from 2 to 5, TCM is confused, obviously the wrong TCM parameters are input/flashed into the TCM.

Any attempt to read actual controller in car has failed, in both ACC/and Ignition mode on.

Don't want to take the car to the Dealer to re-flash a stock tune. Hope someone can help.

Thank you !

moreen red vette 2.hpt

Did you ever resolve this? Seems as if I have the same issue.