Backup Camera Doesn't Work When It's 70 degrees or higher

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JacquesT

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Here's a weird one. I bought this LR4 during the summer. The rear camera has always been hit or miss. Comes on, beeps and then the 'cameras out visit dealer screen' comes up. Then, the outside temp dropped to the 50s in my area and it has worked perfectly every time since. Had a couple of warm days and it goes out again. So, around 70 degrees or higher it doesn't work consistently but at lower temps it works great. So, I know there isn't a loose wire. Is it possible that there a circuit board overheating that works the cameras and parking sensors? Could the camera or one of the parking sensors themselves fail when they are overheated? Any ideas on how to diagnosis the part that is failing in the heat?
 

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