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General E46 Forum
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Old 08-06-2012, 05:43 PM   #1
Nate323Ci
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Join Date: Oct 2007
Location: Birmingham
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Car jerked left and DCS light came on.

I was coming to a red light and was pushing the brake pedal when the car jerked left for a split second and my DSC light came on. My OBD scanner doesn't pick up anything, but it's just a generic OBD scanner so I didnt expect i to.
If I turn the car off and back on, the DSC light blinks rapidly.

Any ideas?
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Old 08-10-2012, 01:24 PM   #2
S-Dizzey
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Same here, the dsc button and my tire sensor came on, i was on the fwy and the car jerked and pushed me to the second lane, luckily no one was next to me, but I still dont know what it is, the tires are all good and now i have to drive with the traction controll off, ive seen some people say it is the speed sensor that is bad... But does anyone have this problem fixed ???
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Old 08-10-2012, 02:01 PM   #3
scrace
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Do you think a control arm failed? Have you checked the bushings?

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Last edited by scrace; 08-10-2012 at 02:03 PM.
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Old 08-10-2012, 06:16 PM   #4
scottjoh
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Not a control arm problem. To properly diagnose you need the DSC codes read to find out which sensor gave the, obviously, erroneous reading. It is probably yaw rate plausible reading. Generic code readers do not read anything except engine codes.
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Old 08-10-2012, 08:22 PM   #5
azshorty
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traction control kicked in maybe?
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Old 08-10-2012, 09:42 PM   #6
BeaminSway
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The jerk made the traction control activate . Same if you tail whip or try to drift .
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Old 08-10-2012, 09:44 PM   #7
BeaminSway
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Just makes sure that you're tires don't slip .
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Old 08-10-2012, 11:46 PM   #8
scottjoh
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Typically tracking control kicks in because a sensor is glitchy and then it realizes something was wrong and throws up the fault light. Codes must be read out to determine the cause.
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