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Old 11-17-2008, 05:00 AM
SPEED_FREAK's Avatar
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Exclamation Problem w/ dash lights after tire/rim change

I have had no problems with my car at all. It is a 2000 Camaro Z28 M6 with 66,500 miles. Maybe its just a coincidence that it happened after a tire/rim change, but I'm giving you all info. I had 18" rims with 245/40's on the front, and 275/35's on the rear. I just changed them out for 17" rims with 245/40's on the front and 275/50's on the rear. Now, at start up, everything is fine, but once I get at a steady speed of over like 35-40mph, the following lights come on, "ABS INOP", "ASR OFF" (but traction control still works, and cant be turned on or off while "ASR" light says its off), and the "BRAKE" as in the E-brake is up. I can turn off the car, then back on and lights are not on, but then I reach that certain speed again and they come back on. I have tried disconnecting the battery, but that didn't do anything. I haven't had codes read yet, I know its throwing a code because I have no cats, but I haven't checked it to see if it's throwing anything else. Please, any idea's?
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1991 Camaro RS A4 -(Rebuilt 305 Cam/Headman LT's)
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Old 11-17-2008, 05:34 AM
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Your front and rear tire diameters are way off and that's causing it.

Your tires are 24.7 inches in diameter in the front and 27.8 inches in the rear according to THIS
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Last edited by StrobinSS; 11-17-2008 at 05:40 AM..
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Old 11-17-2008, 02:17 PM
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Could I just get it calibrated?
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2007 Kawasaki ZZR600 -(Yoshimura Slip On)
2000 Camaro Z28 M6 -(SLP CAI, Pacesetter LT's, ORY, SLP Loud Mouth, Drag radials)
1991 Camaro RS A4 -(Rebuilt 305 Cam/Headman LT's)
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