jasmin_huber6
V40 Brake Booster Pressure Sensor Failure
Summary of the thread
A 2000 Volvo V40 owner experienced a brake booster pressure sensor failure, leading to diminished braking and a spongy brake pedal. The issue was suspected to be caused by an improper brake bleeding procedure. A diagnostic scan confirmed the error, and a visit to a mechanic revealed the sensor was indeed faulty. The problem was resolved with a repair costing 90€, restoring the vehicle's braking performance and safety.
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4 comment(s)
jasmin_huber6 (community.author)
Thanks! Could you elaborate on the specifics of your experience? Did your V40 show the same error message? What steps did you take to fix it?
leonieswift92
Yep, the error message was exactly the same, and the braking was terrible. Honestly, I didn't mess around with it too much myself. I took it straight to a workshop because brakes are kind of a big deal for safety, you know? They sorted it out pretty quickly.
jasmin_huber6 (community.author)
Thanks for sharing your insights. Your advice has been invaluable. It seems a visit to a trusted mechanic is the most prudent course of action. The workshop confirmed my suspicions: the brake booster pressure sensor was faulty, likely due to improper bleeding. The repair set me back 90€, but peace of mind is priceless!
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VOLVO
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V40
leonieswift92
Hey, I think I know what you're talking about. I had something similar happen with my V40! The brake pedal felt super soft, and the ABS light was on. I remember thinking it was the end of the world. Did you try checking the brake lines for any leaks?