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Background: This behavior has been going on for a while, but I figured I might be able to get some answers on here. I hesitate to call it a problem, as most of the time it has no effect on the operation of the car and is more of a curiosity. The ABS/TRACS module was replaced a few years ago along with some faulty wheel sensors. Both ABS and TRACS work perfectly and don’t throw any warning lights.
http://www.youtube.com/watch?v=AJANdK3eg2U&list=UUK3U5qgyuPwV7XZjs_84xXg
As shown in this video, the switch to disable the TRACS system will illuminate the “TRACS OFF” indicator light, but the light goes off as soon as the switch is released and TRACS remains enabled. If needed I can try to capture a video of the system working.
Repair shop speculated that it could be a problem with the module itself. My scan tool can’t read ABS codes, but I could get access to a scanner that can if needed. Would there even be any codes since everything else functions as intended?
Ideas on what could cause this?
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At this point it would not hurt to scan for any codes.
If you disengage the parking brake does it still act up?I’ll double check tomorrow but I believe it act the same under all circumstances. I’ll also see about getting or borrowing a scanner that can read ABS codes.
It’ll be tricky but I also thought to test if the traction control will still operate while the switch is held down and the light is on. A passenger will hold the switch and I’ll listen for the pump at a certain slippery pull out that often triggers the system.
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