Sometime after Caterpillar communication 3 adapter connection to ECM,then you run CAT ET software,but you get error of communication.Here in this instruction show you guide on how to solve them.
When communication problems occur, one of two error messages will display:
Unable to Communicate with the Caterpillar Communication Adapter
This error refers to a problem between the PC and the Communication Adapter. Suggestions
for correcting the problem are as follows:
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