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Chris
Chris, Shop Foreman
Category: Dodge
Satisfied Customers: 12741
Experience:  Dodge/Cummins and Chrysler Certified Master Tech
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Dodge ram 3500: working on 05 dodge 3500 w/ cmmings 5.9. No

Customer Question

working on 05 dodge 3500 w/ cmmings 5.9. No communication with ecm. Ecm has been replaced and program. skim module has been replaced and programed. I am looking for someone with knowledge on how best to isolate my communication problem. something appears to have bus shut down but I cannot figure out what.
Submitted: 1 year ago.
Category: Dodge
Expert:  Chris replied 1 year ago.
Hello and welcome to just answer. Have you confirmed that there is battery and ignition run feeds to the ECM? Do you have good ground at the ECM? Chris
Customer: replied 1 year ago.
yes.--
Expert:  Chris replied 1 year ago.
Have you disconnected the fan clutch connector and then see if it will communicate?
Chris
Expert:  Chris replied 1 year ago.
Hello, just checking back to see if you received my last reply, and if so do you still need help with your problem?
Chris
Customer: replied 1 year ago.
disconnecting fan clutch made no difference
Expert:  Chris replied 1 year ago.
Ok at this point I am going to see if I can find a diagnostic procedure for no communication. Hopefully that will help you out.
Chris
Customer: replied 1 year ago.
thank you
Expert:  Chris replied 1 year ago.
Copy and paste the link below into your address bar and hit enter. The procedure should open up in a Word format. Hopefully this will help.
Chris.
.
https://www.dropbox.com/s/vhwieranscs7a9a/NO%20RESPONSE%20FROM%20ENGINE%20CONTROL%20MODULE.doc?dl=0
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