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C0300 Diagnostic Trouble Code Discussion for May 2005

Unknown ABS code

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Trouble Ticket Help Requests for DTC C0300
Help Request Posted
2001 Hyundai Sonata GLS 2.5L Misfire, MIL Lamp on VIN: KMHWF35VX1
C0300: Unknown ABS code. The problem I am concerned with are the 4 "UNKNOWN" codes. Clearing codes through the Modis would not clear these. I did a cold boot (Disconnecting and running the battery cables together, then disconnecting all modules and computers). After that I cou...
May 11, 2005