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P1631 Diagnostic Trouble Code Discussion for February 2011

Theft Deterrent - Start Enable Signal Not Correct


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Trouble Ticket Help Requests for DTC P1631
Help Request Posted
2003 Hyundai Elantra GLS 2.0L MIL Lamp on VIN: KMHDN45D13
P1631: Can time out ecu. Hello. I have a Hyundai here that I wish would just go away and I need your help to make that happen. This car runs great to performance problems, it has a CEL on and some codes. My first code is po420 which is a cat code. I tested the cat and it all test good...
February 11, 2011
2003 Hyundai Elantra GLS 2.0L MIL Lamp on VIN: KMHDN45D13
P1631: Can time out ecu. Hello. I have a Hyundai here that I wish would just go away and I need your help to make that happen. This car runs great to performance problems, it has a CEL on and some codes. My first code is po420 which is a cat code. I tested the cat and it all test good...
February 14, 2011