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Originally Posted by rpreeves
Well I am certain I have no trouble/error codes, so there is no help there. I had this verified by a local transmission shop.
I really need to know what OBD-II commands I can send to either retrieve shift data or to test the solenoids. Do you know?
Also, if there is something mechanically defective within the transmission, would there be an abundance of metal in the oil pan?
Ryan
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OBD11 does not read transmission data or codes.
You have to get into the transmission VCM data.
I do not know what they tap into or how they do it.
All data has a wiring diagram of the transmission/engine VCM and diagnostic plug if that would kelp you.
I always leave that up to Snapon and my MT-2500 and Solas pro scanners.
You can be losing transmission pressure or have burnt clutches or bad solenoids or valves in the transmission with no metal in bottom of pan.
Also lose of one gear can be anywhere in plantary gears or sprags or sun gear shell.
So always a good idea to check filter and for metal or other stuff in pan.
Good Luck.
MT