I got the ECM replaced under warranty and most of the noise is gone. There still is a little bit of the whine coming from the same area. But I can finally drive without the radio. I would be a happy camper if it stays that way for as long as I keep the car. They installed the 23710-1EA1B in my '09. At first they played it like they didnt know what it was or what I was talking about. But after 6 shop employees getting in the car and 3 of them confirming hearing it they called tech line. At first they told me tech line had no records of any ECM's making noise and getting replaced on 09 Z and on G37. But hours later nissan tech line came thru and said yes well send you a new one and replace it under warranty. I was really happy being that my car is out of warranty.
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