Does an MD3 require an ID Tag if it's being used in a single module network? The only other module on the CAN network is a non-IQAN J1939 module (engine ecu.) This is how we communicate with the engine. The machine did not have an ID tag when it was built back in 2010 and we recently replaced the MD3 because the screen was too dark to read. We had some problems opening the original ida file because it was an old beta version. So we had to pull a clone file from the existing MD3 and saved it as an ida3 before sending it to a new replacement MD3. After installing the new MD3 the 'Wrong IdTag!' error appears. I've searched this forum for answers but can't seem to find this particular case. Is there a new address requirement for MD3's that was not the case back in 2010? Did saving the file from ida to ida3 cause this problem?
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