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rolandguenther6

Impala automatic temperature control issue

My 2000 Chevrolet Impala with a gasoline engine only has 33300 km. The automatic temperature control seems to have given up. The air conditioning system refuses to switch on, and the error memory is storing an error. Has anyone encountered a similar issue? I've read it could be related to a faulty interior temperature sensor. Could a defective cable or plug connection really be the culprit?

Summary of the thread

The automatic temperature control in a 2000 Chevrolet Impala was malfunctioning, with the air conditioning system not activating and an error stored in the memory. The issue was suspected to be related to a faulty interior temperature sensor or a defective cable or plug connection. After taking the vehicle to a workshop, it was confirmed that the problem was due to a defective cable connection to the temperature sensor, which was repaired, resolving the issue.

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4 comment(s)

romy_walter1

Hey there! I had a similar climate issue with my old Opel Astra, although that was a completely different make and model. My symptoms were slightly different, but the root cause was also related to the climate control system. Have you checked the sensor itself for any physical damage or corrosion? Maybe unplugging it and plugging it back in might help, worth a try!

rolandguenther6 (community.author)

Thanks for the suggestion! Where exactly is the temperature sensor located? And when you say "sensor", do you mean the actual sensor unit, or something else?

romy_walter1

Okay, so on my Astra, the interior temperature sensor was near the steering column, but I'm not certain where it is in the Impala. I meant the sensor unit itself, like the physical component. But honestly, if you're unsure or not comfortable poking around, it might be best to get it checked by a workshop. I ended up going that route myself. Cost me about 100€.

rolandguenther6 (community.author)

Thank you so much for the helpful advice! I took it to a workshop as you suggested. It turns out the cable connection to the temperature sensor was indeed defective, just like the error message indicated. They repaired it for 95€, and now the automatic climate control is working perfectly again!

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CHEVROLET

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IMPALA