What's the u0100 code Jeep Grand Cherokee?

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Mike E January 12, 2021
The u0100 code Jeep Grand Cherokee is for lost communication with ecm/pcm. This means You are not in contact with the computer on the system, which means that You will not be getting correct data from the systems. This can lead to damage to the systems because they may be over or underworking. If this comes up You do not need to immediately take it to the shop, but You should do it sooner rather than later.
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Milan A July 30, 2020
The u0100 code Jeep Grand Cherokee is for Lost Communication With ECM/PCM "A".
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