Not always on when vehicle started, but usually does come on somewhere along the trip. Have noticed that it sometimes comes on if hit pothole or railroad track, like maybe a vibration can trigger it. Is this just a light problem? Or is it a brake issue?
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2001 Chevrolet Blazer Question: ABS & brake lights come on simulateously, but is intermitant problem.
Answer #1pushrod October 20, 2013, 18:20Master
Most likely a wheel speed sensor problem, scan test will confirm but scanner really needs to be connected at the time of the falt! May have to let a mechanic drive it with the scanner hooked up until this happens, that is IF no memory codes can be found.
Answer #2Greg's Orange Auto (13671 Answers) , Orange, CA - (714) 361-9386globalhelper October 21, 2013, 06:14Master
yes wheel speed sensor is erratic