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:yay:

Anyone ever figure this out?

. When running a manual OS, where does the speed signal come from? VSS or wheel sensor?

The TCM was removed as it was part of the OEM 6L90 that was replaced.

What is the speed sensor data source on the manual OS (VSS,Wheel Sensor)? It looks like the wheel speed sensor is providing a speed input. What problems would I encounter in flashing a manual OS...

Looking to see if someone can point me in the right direction. Just recently swapped trans on 2011 CTS V. Went from a 6L90 to a Manual Valve Body TH400. All gauges read correctly except for the...