E39 DSC light, Auto Enginuity code: "68 Steering Angle Sensor, Internal" - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 08-01-2013, 04:43 PM
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E39 DSC light, Auto Enginuity code: "68 Steering Angle Sensor, Internal"

2003 E39 525iT Sport Wagon AT with 190K miles

Symptoms:
1) Persistent DSC light, despite "clearing" the code with Auto Enginuity.
Auto Enginuity Code:
ABS/DSC 5.7
68 Steering Angle Sensor, Internal

2) Drive wheels spin easily under acceleration in grassy field.
3) Dynamic Stability Control function isn't there when turning the wheel hard either direction at 15-25 mph in grassy field.
4) ABS works fine.
5) Cruise control works fine.

Might I have both a failed steering angle sensor and/or a failed DSC module?

If the main computer senses the steering angle sensor isn't working right then does this rear-drive wagon's traction control function also shut down? If so, then am I right to just buy a new steering angle sensor, install it, and code it?
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#2 (permalink) Old 08-11-2013, 08:33 PM
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Welcome to the best BMW site there is. Lots of help here with almost anything you need. My 2002 E39 has had the progression of DSC light on for about 1 year. Lots of codes, wheel sensors, bad pump. NONE of them were real. Eventually the ABS light and brake lights came on with the loss of speedo when the underhood temps were hot. Sent my DSC controller to Modulemaster last week and got it back on Friday. Put it in and immediately the DSC light went out and all is well. $324 including 2 day shipping via FedEx. You may have this issue too.
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