figuring out transmission temp.
i'm trying to change my transmission fluid in my 2011 VW CC sport. I order everything i needed and i also down loaded the software VCDS to determine the temp. of my transmission so i can disconnet the VAS 6262 between 35c-45c. but one big problem, i dont have the OBD2 ll VAG 2.5 interface cable! lol... and i cant find it anywhere, but on line! is there anyother way i can determined the temp. with out it? crazy as it must sound, i thought about using a regular digital thermometer to the bottom of the trasmission! I've already converted celcius to farenheite! Can anybody help me out here????