Another one you could ‘TRY’ is 1940. I’ve ALSO seen it is to be at 221E on ‘Ford Focus’. I’ve picked up those somewhere in my research. Of course I’ve read it was 1E1C on the Ecoboost TOO! So – all bets are off.
Toyota Tundra is supposed to be at 21D9, but I ain’t got one of them to try it on either. So, I’m not being a lot of help. It just seems like there must be a number of manufacturers of Transmission Fluid sensors whose outputs are not uniform – forcing vehicle mfgs to have to have several different OBD TFT conversion routines.
As for the formula — you may have to work one out yourself. But ‘math is fun’. I’ve worked out several and found that GENERALLY most of the hard work is done for you by the PCM. You just need to figure out what units it is being presented in (some international base – ie: Celcius for Temps.) Then you can easily come up with the formula to convert it to the form you want.
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