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benjaminbaumann9

Mokka Brake Booster Pressure Sensor Error

I'm having trouble with my 2014 Vauxhall Mokka, diesel engine. It's done 136337 km. The error message keeps popping up, and the braking feels terrible! The diagnostic tool says there's an issue with the brake booster pressure sensor. I suspect it's from incorrect brake bleeding. Has anyone seen this before?

4 comment(s)

barbara_fuchs7

Sounds familiar! I've got a Mokka too, and I had similar issues last year. Error messages and the brakes felt awful. What exactly does the error memory say?

benjaminbaumann9 (Author)

The error memory says 'Brake booster pressure sensor: Implausible signal'. Did yours say the same thing? What did you do to fix it?

barbara_fuchs7

Yes, that’s exactly what mine said! I tried a few things myself, but I took it to a workshop. The pressure sensor was faulty after incorrect bleeding. They replaced it, re-bled the system properly, and it's been fine ever since. It's best to get it checked professionally, especially with brakes.

benjaminbaumann9 (Author)

Thanks a lot for the advice! I suspected as much. Looks like I'll be booking it into the garage then. They've quoted me around 90€ for a new sensor and to bleed the system, so hopefully that'll sort it. Appreciate the help!

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