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P1694 Diagnostic Trouble Code Discussion for January 2011

No Communication With PCM

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Trouble Ticket Help Requests for DTC P1694
Help Request Posted
2000 Dodge Ram 2500 5.9L No Start VIN: 3B6KF2664Y
P1694: No Bus from companion module. ... ecm. When I got there I could not communicate with the ecm or pcm with the drb3. I informed the customer to take care of that first and call me back. I got back there and the pcm communicates with the drb and it programmed fine but it keeps setting the cod...
January 05, 2011