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C1298 Diagnostic Trouble Code Discussion for February 2006

PCM class 2 serial data link fault


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Trouble Ticket Help Requests for DTC C1298
Help Request Posted
2002 Pontiac Montana 3.4L MIL Lamp on VIN: 1GMDU03E42
C1298: serial data in abs module list. ... and data can be read, after starting, will not communicate data with aftermarket scanner (snap-on), and these codes all return. When abs module left out of circuit, all can be read but code u1040 comes back. Have checked ...
February 18, 2006
2002 Pontiac Montana 3.4L MIL Lamp on VIN: 1GMDU03E42
C1298: serial data in abs module list. ... and data can be read, after starting, will not communicate data with aftermarket scanner (snap-on), and these codes all return. When abs module left out of circuit, all can be read but code u1040 comes back. Have checked ...
February 18, 2006