612 HGTS and GTC packages

I couldn't speak to that; I could well believe that there were versions of the firmware where the CAN messages were different, thus causing incompatability. I really would not get hung up on it as a performance differentiator.

 

Hi my car is 155315, 07 HGTS. Which ECU n F1 S am I on?

 

Douglas, it depends on how late your 612 is. She likely has the 160 ms min shift time TCU if early and 125 ms if late. The data plate on the door will tell you when she was built. If earlier than late summer/fall 2007, she likely has the 160 ms TCU. Data Plates:



Image Unavailable, Please Login Image Unavailable, Please Login