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benjaminhartmann1

Juke Brake Booster Pressure Sensor

My 2022 Nissan Juke (gasoline engine) is acting up. At 115353 km, I'm getting an error message on the speedometer. Brakes feel weak. The shop says it's a brake booster pressure sensor failure, probably from improper brake bleeding. Has anyone else experienced this?

4 comment(s)

theodark44

Sounds familiar. You might want to check the ABS system. If air gets into the hydraulic brakes during bleeding, it can mess with the pressure readings. Is the brake pedal feeling spongy?

benjaminhartmann1 (Author)

Spongy is a good way to describe it. So you think the ABS could be involved? The error code specifically mentions the pressure sensor, but I guess that could be a symptom rather than the root cause?

theodark44

Yep, spongy pedal + sensor error = likely improper bleed. The sensor's probably just reporting the incorrect pressure due to the air in the system. I'd take it back to the shop; they’ll need to re-bleed the system and possibly replace the sensor if it's been damaged. Cost me about 90€.

benjaminhartmann1 (Author)

Cheers for the insight! Sounds like you nailed it. I'll get onto them about re-bleeding the system and getting that sensor swapped out. Hopefully, that'll sort it!

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