Thread: C230 A/C Diagnostic display (Climate control)--How to use
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Old 05-09-2010, 08:27 PM
Matt L Matt L is offline
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Join Date: Oct 2005
Posts: 4,263
Those are sensor values and not codes, and thus they aren't reset. Is your EC lamp stuck on? If not, it should be. You need to extract the diagnostic trouble codes (DTC) for the system in any case, because you'll have to reset them once you fix the real problem.

The real problem is a refrigerant leak. Find it and fix it.
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