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Registered User
Join Date: Mar 2019
Posts: 3
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Cooper s R56. 4EE9 ERROR
Hi everybody!
I have this error 4EE9 in my Mini Cooper s automatic gearbox Every morning when is cold outside the gearbox is going in limp mode. After 20 min car running fine all day, gearbox change very good without noises Only when is cold in first start in the morning I replace transmision fluid and filter, coolant temperature sensor but the problem still No transmision fault codes Only I have this error 4EE9 input/output turbocharger speed sensor Somebody know can be? Can be something with the throttle body? Because I noticed car start good but before the transmision comes on dash the car is reving itself |
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03-24-2019, 12:35 AM
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Registered User
Join Date: Aug 2019
Posts: 1
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Hi Eugene, Did you repair this error 4EE9?
i have the same trouble with my r56 2007 Thank you. |
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08-26-2019, 05:40 PM
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Registered User
Join Date: Mar 2019
Posts: 3
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Quote:
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10-11-2019, 07:19 AM
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Registered User
Join Date: Oct 2019
Posts: 32
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Check the 6 pin connector below the coolant reservoir on the front of the transmission. Pins 3&5 are for the speed output sensor and there is a known issue where moisture can get into the connector and cause corrosion.
I just had the misfortune of the pins corroding off the end of the transmission harness so I will have the drop to pan and replace it. I was able to de-pin the main harness side and pull the broke pins out and clean all the green corrosion from the connector. I hope this helps I’ve been researching this issue for days and nobody has replied with a fix. Here is a link to a YouTube I found, inspect your connectors closely I overlooked the two missing pins about 3 times before I finally pulled enough slack to get the connector out to where I could closely inspect it. Mine was from a leaky coolant reservoir, the coolant was dripping on top of the connector. https://youtu.be/v4_1RJUcjI4 |
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10-26-2019, 08:53 PM
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Registered User
Join Date: Oct 2019
Posts: 32
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Why was my reply posted?
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10-26-2019, 09:41 PM
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Registered User
Join Date: Oct 2019
Posts: 32
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https://youtu.be/v4_1RJUcjI4
Eugene I sent you a private message. Check the 6 pin harness, mine was badly corroded from a coolant leak at the reservoir tank. The previous owner tried to JB WELD it. Pins 3&5 are completely broken off inside the connector, I’m going to replace the harness inside the transmission. I was able to unpin the female side and remove the broken pieces of the two pins and get the corrosion cleaned up. |
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10-26-2019, 09:43 PM
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Registered User
Join Date: Mar 2019
Posts: 3
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update
Problem solved with torque converter replacement �� |
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12-10-2019, 04:09 AM
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