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Old 01-05-2019   #16
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Re: Strange and scary brake issue

Disconnect the ESP module (unplug the cable) and test without it.
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Old 01-05-2019   #17
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Re: Strange and scary brake issue

Check wheel speed sensors also, and a diagnostic on them.
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Old 01-05-2019   #18
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Re: Strange and scary brake issue

Quote Originally Posted by cmosfxx View Post
Disconnect the ESP module (unplug the cable) and test without it.
Hi Chris,

could you be more specific (as per what and where to disconnect)?


Cheers, Bernie
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Old 01-05-2019   #19
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Re: Strange and scary brake issue

Any light poping-up at the dashboard ? ASR/ESP warning would go on if an abnormal situation was detected, see what eLearn says about it:

"ASR/ESP warning light: the warning light flashes when the system cuts in to warn the driver that the ASR system has intervened due to road surface grip conditions. When the control unit detects an error in the ASR or ESP function, it turns on the warning light in fixed mode."

BRs, Bernie

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Old 01-05-2019   #20
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Re: Strange and scary brake issue

and a few bits more:

"Via the CAN line, ABS control unit M50 is connected - from pins 15 and 26 - to the engine management control unit M10 and, from pins 14 and 25, to the Body Computer M1 and the instrument panel E50, to manage the ABS warning light and, if the problems concern the EBD function, the low brake fluid level/handbrake applied warning light, in addition to the ESP/ASR warning light."
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Old 01-05-2019   #21
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Re: Strange and scary brake issue

Quote Originally Posted by Bernievarian View Post
Hi Chris,

could you be more specific (as per what and where to disconnect)?


Cheers, Bernie
I mean the cable from the ABS pump (ESP)
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