Problem: Car runs in circles

HI,

I am having a problem with one of our cars. The track and cars performed great for about the first set of batteries' worth.
Then, when we wanted to race again, the batteries in one car were empty, so I replaced them.Now this car will only run in circles. Everything seems normal until the start signal, then the car will run clockwise circles as long as the accelerator is pressed, with no regard to the track. At the same time, the controller spews erratic massages about the pit lane, best lap etc. This happens in Training mode as well as in Racing mode. Switching the controllers between cars makes no difference: One car runs fine, the other runs in circles.


Please help.

I did not find the right solution from the internet.

References:-
http://realfxforum.com/viewtopic.php?f=1&t=157
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Thanks