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P0343 Diagnostic Trouble Code Discussion for May 2007

CMP Sensor Circuit High Voltage


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Trouble Ticket Help Requests for DTC P0343
Help Request Posted
2002 Chevrolet Silverado 2500 HD 8.1L MIL Lamp on VIN: 1GCHK29G32
P0343: CMP Sensor Circuit High Voltage. ... this problem before. I have a code P0343(CMP signal to high) I am not familiar with this system. There are two values on my scanner that read CMP low to high & CMP high to low signals. Both numbers keep increasing up to about 7500 then it stops. The on...
May 15, 2007
2002 Chevrolet Silverado 2500 HD 8.1L MIL Lamp on VIN: 1GCHK29G32
P0343: CMP Sensor Circuit High Voltage. ... this problem before. I have a code P0343(CMP signal to high) I am not familiar with this system. There are two values on my scanner that read CMP low to high & CMP high to low signals. Both numbers keep increasing up to about 7500 then it stops. The on...
May 15, 2007