FIXED!!! ECM/ECU Buzzing / High Pitch sound/noise

M

MadRed

Member
Car
2012 FX50S
After 6 months of fighting with 2 Infiniti dealers and Infiniti Consumer Affairs, I am happy to report that my ECM was replaced with a correct part that eliminated the sound for good.

If anyone has any questions let me know. I also have a part number that fixes the issue.
 
Where was the buzzing coming from? Can you provide more background information and include the part number? Could be helpful
 
ECM is located behind the glove box. So the sound (High Pitch Electrical Buzzing) was coming from that area. Not everyone over 40 years of age may hear it. I could hear the sound when the engine was on and particularly when accelerating.
 
It is there all the time, but it is much louder when pressing on the gas pedal. If you remove the glove box and the plastic behind it the noise will be a lot more noticeable.
 
Hey guys,

New to the forum.

I am having the same issue in my 2008 EX35 AWD. Dealership said it was "static being caused by the alternator" and there is no fix for it. I mentioned the ECM idea and they just tossed it aside... not too happy.

I will be looking and listening under the glove box area tomorrow to see if I can fix the problem myself. MadRed.. since I'm still a forum noob I can't pm you for the part number :(
 
MadRed said:
After 6 months of fighting with 2 Infiniti dealers and Infiniti Consumer Affairs, I am happy to report that my ECM was replaced with a correct part that eliminated the sound for good.

If anyone has any questions let me know. I also have a part number that fixes the issue.
Click to expand...


I have the same exact issue and they have replaced my ECM but the noise has come back after one week please tell me what you did ???
 
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