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Discussion Starter · #1 ·
:excited:My mechanic scanned my car and found an error stored in the environmental control (IHKA) that says something to the effect of "hot water valve shorted to B+". I am having an intermittent problem with the valve blowing hot water through the heater core and overriding the AC. This comes and goes without a pattern. I have replaced the valve and now I am suspecting that the IHKA has a bad output (short). Anyone have any better ideas? Anyone know who fixes E46 IHKAs?
 
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