Best thing to do is have the dealer scan the codes with the GT1 computer, because the symptom your describing could one of three things from not so expensive to very expensive!
The first thing could be a wheel speed sensor, the steering level angle sensor or the ASC module. As for the fuel economy dial and the speedo dial intermittently working it could be related to the parts above. But the best bet is to have the computer scanned for faults.
Hope that helps.
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Saturday, February 20th, 2010 AT 11:33 AM