Quote:
Originally Posted by 8ac1v1c
Good news is it's not the tranny - bad news is it's electrical gremlins in the shift solenoids. Next time it starts to happen - try disconnecting the ground terminal on your battery for about 5 mins - then reconnect. This usually resets the electrcal system. If it works - at least you don't got to to the dealership every three months.
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OK, I'm far from being a god of tranny troubleshooting, but why would a shift solenoid problem cause the speedo needle to "bounce up and down like crazy"?