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FWD Sensor Defect

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I have a 2020 MX. The FWD on the drivers side started detecting phantom objects or obstructions that are not really there. It does this about 30% of the time. The mobile service tech replaced the side sensor but that didn’t fix it. He believes it is probably the roof sensor which requires the car go in for an extended period. Has anyone else encountered this problem?
 
You should be able to see on the Quick View screen if the sensors are detecting anything. It happened with my car due to the sun heating the one side. I also had to have the top sensor replaced because it failed and wouldn't sense anything.

Thanks. The Quick View shows the FWD detecting an object but there is nothing there. The roof sensor shows a grey (as opposed to red) warNing of something being there but nothing is. I guess I will be taking it in.