AnBeck19
Seat Exeo AC Problem
Summary of the thread
The air conditioning system on a 2012 Seat Exeo was not functioning, with an error indicating a possible undervoltage issue. Potential causes included a faulty AC relay, a malfunctioning pressure sensor, or a refrigerant leak. The problem was resolved by replacing the AC relay and fixing a minor wiring fault.
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4 comment(s)
AnBeck19 (community.author)
Could you elaborate on how to specifically test the AC relay and pressure sensor? I am not entirely familiar with the testing procedure for these components.
susanmueller83
Testing the relay switch and pressure sensor requires specialized tools. Given the error memory indication of undervoltage, it might be best to consult a workshop. They can diagnose the root cause more effectively.
AnBeck19 (community.author)
I appreciate your input. The problem was indeed an undervoltage issue. Replacing the AC relay and addressing a minor wiring fault resolved the issue. Total cost was 240€.
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SEAT
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EXEO
susanmueller83
Have you checked the AC relay? A faulty relay switch can cause intermittent failures. Also, is the pressure sensor functioning correctly? A refrigerant leak could also trigger the compressor to shut off.