MSgpio.com read only forums (Jan.15,2018)

Thanks for the reply.

I've compared your tune to mine and adjusted some of my parameters.

My transmission VSS is good as I also use it for my cruise control, and I have monitored it with my scope.

I don't use the Jag VSS for TCU and CC it drives the speedo, ECU and trip computer ATM.

I still ...

Here is a copy of mt msq. Code is 5.201

To avoid this I have set 1 -2 upshift low so the trans won't kick down to high in rpm range

Sorry I didn't explain myself well...

The trans is not upshifting then downshifting.

If I'm driving on the open road and go to overtake (like if I'm stuck behind a tractor at 60km/h) when I floor the throttle the trans kicks back to 1st gear then immediately upshifts if I'm above the upshift point ...

Background

I have a 4L60e 1994 vintage behind a Jaguar V12 that redlines at 6500rpm, I have 1-2 upshift set at around 6000rpm at 100% load which is about 65km/h

The issue is the Mshift kicks the trans down to 1st at 60km/h for a milli second then immediately upshifts. I have searched for a tuning ...

I should have included these files

I am trying to get the TCU setup as standalone with TPS as load (until I get the MS2 installed)

I have set the TCU up on the bench with a pot connected to my lab supply (5volts) as a temporary TPS and verified I am getting TPS voltage at EGT1-AD5 jumper.

My issue is when I enter calibrate TPS I ...