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U0100 Diagnostic Trouble Code Discussion for October 2026

Lost Communication With ECM


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Trouble Ticket Help Requests for DTC U0100
Help Request Posted
2021 Jeep Cherokee Latitude 3.2L Fuel Gauge VIN: 1C4PJMMXXM
U0100: Can Interior Bus. I hope to get some good input or will push it on to the dealer. The complaint is the fuel gauge will go to empty and the mileage odometer will to go to zero miles to empty. It is not at the shop right now they have to drive a long way just to get here and ...
October 12, 2026