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ECM fault code 711A- internal fault. what does it affect? Does it control trany?

(2002 Volvo V70 XC)
in Miami, FL on April 28, 2013
Car starts and reves OK. Reverse do not engage from P. Only from D. In a few moments all gears are quitting. Motor reves OK but no forward or reverse movement. After shutting off it goes through same routine...
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Popular Answer
on April 28, 2013
take it to tranny shop and have them diagnose the problem
on April 29, 2013
In Volvo dealership all thay say is that you need a new tranny for 15,000. Which is B.S. The tranny was rebuilt recently including valve body. I am troubling to understand could that be ECM at fault? My Volvo Vida diagnostic program only show one fault 711A, which is internal fault in ECM, but I had this fault for 2 years and car was running and gears were shifting until one day it stopped. Then I rebuilt tranny again and now I can't make it work
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