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C0307 Diagnostic Trouble Code Discussion for April 2005

undocumented code


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Trouble Ticket Help Requests for DTC C0307
Help Request Posted
2000 Hyundai Sonata GLS 2.5L Cuts out, Stall, MIL Lamp on VIN: KMHWF25V8Y
C0307: undocumented code. Wondering if anyone knows what the undocumented codes mean? We believe the U code is related to the computer communication system. Intermittent ability to communicate with the trans system.
April 29, 2005