XC70 2014 ABS / ESC fault

Spike10 · Jul 13th, 2022, 14:40

Hi I wonder if anyone can shed some light on this please. I recently got an ABS warning light come on and I’m getting messages saying ESC temporarily off.
I had a friend plug it in to a diagnostic which can up with the following codes
u012100 no comms to brake control module
C003a07 speed sensor

Any ideas on the best fix for this?
Any help appreciated

Thanks
Steve

Erdfeld · Jul 19th, 2022, 22:51

Hi.

Best fix for that would be to determine which of the ABS sensors hace gone bad.

Had exactly the same problem, front left ABS sensor had stopped working. Replaced it and it works again. You can use volvo vida to check which one does not give out information.

Jul 13th, 2022, 14:40	#1
Spike10 New Member Last Online: Aug 12th, 2022 10:17 Join Date: Jul 2022 Location: Cambridge	XC70 2014 ABS / ESC fault Hi I wonder if anyone can shed some light on this please. I recently got an ABS warning light come on and I’m getting messages saying ESC temporarily off. I had a friend plug it in to a diagnostic which can up with the following codes u012100 no comms to brake control module C003a07 speed sensor Any ideas on the best fix for this? Any help appreciated Thanks Steve

Jul 19th, 2022, 22:51	#2
Erdfeld New Member Last Online: Apr 20th, 2024 14:56 Join Date: Aug 2018 Location: Tartu	Hi. Best fix for that would be to determine which of the ABS sensors hace gone bad. Had exactly the same problem, front left ABS sensor had stopped working. Replaced it and it works again. You can use volvo vida to check which one does not give out information.

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