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joachimschmid1

C8 Rear Ventilation Problem

Hi, I've got a 2009 Citroen C8, diesel engine, and I'm having a weird issue with the rear ventilation. The climate control seems to be malfunctioning, and the air conditioning isn't cooling as it should, especially in the back. I've checked the error memory and there's an error stored related to the rear ventilation flap. Has anyone else experienced this?

4 comment(s)

uwelehmann1

Hey! That's a bummer. I've heard of similar issues with the C8's climate control. Does the error message give any more specific details? Maybe check the connection under the seats, where the wires for the rear vents run. Could be a loose plug or a damaged cable. Is it completely dead, or is it just blowing warm air?

joachimschmid1 (Author)

Thanks for the tip! I'll check the connections under the seats. The error message is pretty vague, just says 'Rear Ventilation Flap Fault'. And yes, it's blowing warm air only. If the connection looks okay, what else could it be?

uwelehmann1

Okay, warm air only and a vague error code... Hmm. If the connections look solid, it could be a faulty flap motor or even the climate control unit itself struggling. Honestly, tracing electrical faults can be a pain. At this point, I'd suggest getting it checked out by a workshop with decent diagnostic tools. They can pinpoint the exact cause much faster.

joachimschmid1 (Author)

Okay, thanks for the advice. I checked the connections and they seemed fine. I'll take it to my local workshop next week. They quoted me around 95€ for diagnosing and fixing the issue, pointing to a defective cable or plug. Thanks again for pointing me in the right direction!

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