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Old 12-04-2012, 04:32 PM   #25
arghx7
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Quote:
Originally Posted by dwx View Post
Subaru guys use this. It uses the ABS sensor signal and converts that to a speed sensor signal. It's pretty basic if you wanted to build one yourself.


http://dccdpro.com/zcart/index.php?m...&products_id=3
There are no traditional vehicle speed sensor signals from the transmission or differential anymore. The stability control system uses the four individual wheel speed sensors to calculate vehicle speed. Then it reports the data through a CAN message.

Most likely you would need to reprogram one or more of the modules for the stability control system. Usually it's only the supplier who has access to that.

Basically, unless you interrupt all four wheel speed sensors and hope that you don't trigger a rationality monitor (i.e., throw a code), you're probably not going to accomplish your goal.
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