Brake booster release switch location needed 2007 3.2

vmaxmike · Post by **vmaxmike** » 01 Aug 2022, 16:33

Hi,
A traction control warning message is displayed along with the dash light and scan tool shows error code C111802 Brake Booster Release Switch is at fault. Where exactly is this part located please so I can replace it? Is it on the booster itself? Thanks

: brake booster code.jpg (173.98 KiB) Viewed 1827 times

Capndirk · Post by **Capndirk** » 03 Aug 2022, 21:04

https://www.dtcdecode.com/Volvo/BCM-C111801
Found some info here. Maybe get you close in parts search?

vmaxmike · Post by **vmaxmike** » 09 Aug 2022, 07:21

later realized I could just click on "service manual" at bottom of screen to get more info, and it does in fact point to the pedal pressure sensor which is the cylinder shaped thing that sticks out of the booster so I'll try replacing that.

vmaxmike · Post by **vmaxmike** » 09 Aug 2022, 07:28

That DTC decode website is a great resource though. Thanks!

mirotvoretc · Post by **mirotvoretc** » 13 Sep 2024, 22:23

Hi buddy! How did you resolve Brake Booster switch ? I got same problem - C111802..(
Thanks!
Best regards

Post by **erikv11** » 15 Sep 2024, 00:15

Procedure is likely slightly different on your 2010 car but: