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Old 06-25-2014, 08:57 AM   #1
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Question 2EFE error - Electric fan. Then the AC compressor stops


I own a 2004 316i Touring with a N46B18 engine.

I have a problem with the AC.
When I turn on the AC in the car, I get an error code on the engine control unit called:
2EFE (Electric fan / Engine Blower / Fan input signal).

AC compressor runs for about 2 seconds before the error message show. When I get this error the AC compressos stops.

* If I delete the error, the compressor starts running for a few seconds before the error returns.

* When I ran a test with direct power to the compressor, the compressor worked properly (started spinning).

* I have filled new gas to the AC system.

Proposed solution would be appreciated

Last edited by heineoen; 06-25-2014 at 09:09 AM.
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2efe, ac, compressor, fan, n46b18

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