Code 3935 Cummins isx 15
11-28-2022, (Subject: Code 3935 Cummins isx 15 ) 
Post: #1
Code 3935 Cummins isx 15
I got the truck back running and got this code. I am going into Cummins tomorrow and they have an open campaign to update the ecm. The open campaign number c2193 emissions calibration update. Will this possibly take care of this code. It’s an scr code. Thanks for the input. Hope everyone had a good holiday.
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11-28-2022, (Subject: Code 3935 Cummins isx 15 ) 
Post: #2
RE: Code 3935 Cummins isx 15
Well when you follow the flow chart for the code it seems to come down to an internal calibration error in the sensor and the ecm update is listed as a possible cure. Is it a free flash upgrade? Here I would flash the ecm first then do the sensor second. No harm in making sure the ecm has the latest greatest software.
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