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Traveller Blower Motor AUC Sensor Fault

My 2017 Peugeot Traveller diesel's blower motor isn't working. Diagnostics say it's the AUC sensor. I'm thinking it's a bad cable or plug. Mileage is 182898 km. Anyone seen this before?

The blower motor in a 2017 Peugeot Traveller diesel was not functioning, and diagnostics indicated a fault with the AUC sensor. The initial suspicion was a bad cable or plug. After checking the wiring without finding obvious issues, a shop inspection revealed a bad connection to the AUC sensor, which was then fixed.

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4 comment(s)

I had something similar with my 2016 BMW 5 series. The AC wasn't working, and it also pointed to the AUC sensor. Did you check the sensor's wiring for damage or corrosion?

Yeah, I checked the wiring as best I could without taking things apart. Didn't see anything obvious. Did your BMW have the exact same problem – blower motor completely dead?

My BMW had complete AC failure, not just the blower, but the AUC sensor was the reason. Since you checked the wiring, maybe get a shop to look at the sensor and connections more closely.

Thanks for the tip. I took it to a shop, and it was a bad connection to the AUC sensor. Cost me 95€. Your experience really helped.

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PEUGEOT

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TRAVELLER