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U0100 Diagnostic Trouble Code Discussion for September 2010

Lost Communication With ECM


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Trouble Ticket Help Requests for DTC U0100
Help Request Posted
2003 Mazda 6 S 3.0L MIL Lamp on VIN: 1YVFP80DX3
U0100: Communication Error To PCM. Hi and thanks in advance for the help. I have a headache car that that came back to me after i repaired a misfire. Coustomer says it seems to chug and shutter at about 1500-2000 rpms and so far no problem has occured for me. I tried to run mis data with the id...
September 28, 2010
2003 Mazda 6 S 3.0L MIL Lamp on VIN: 1YVFP80DX3
U0100: Communication Error To PCM. Hi and thanks in advance for the help. I have a headache car that that came back to me after i repaired a misfire. Coustomer says it seems to chug and shutter at about 1500-2000 rpms and so far no problem has occured for me. I tried to run mis data with the id...
September 28, 2010