CM2350 derate 6255 only no fault codes
10-18-2023, (Subject: CM2350 derate 6255 only no fault codes ) 
Post: #9
RE: CM2350 derate 6255 only no fault codes
Not solved this riddle yet, But more information as so many post go without answers or solutions.

I am on Day 4 of this issue. Truck has never been tampered with, All Factory components still there.
6255 Engine Protection Torque Derate Goes active and inactive when motor is under strain will not complete Injector Performance Test

Aftertreatment Engine out Nox Test - instead of Pass or Fail when attempt this test its Not Available

I looked under Data Monitor while truck is operating -
Aftertreatment Intake Nox and Aftertreatment Outlet Nox - Not reading all zero and under Stable line - READING NOT AVAILABLE

Now the part I cannot believe as coincidence - In may there was an updated Calibration performed, HD10361.10 Reduce the occurrence of FC3749
Shocker FC3749 is Nox fault for High Drift

Currently Trying to contact Cummins or figure out away to get HD10361.09 so can upload and see what changes.
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RE: CM2350 derate 6255 only no fault codes - Smooth - 10-18-2023



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