Verify the ECM calibration is correct. Check the calibration revision history found on QuickServe™ Online for applicable fixes to the calibration stored in the ECM. If necessary, calibrate the ECM.
This fault code is set when the inlet face of the DOC is detected to be plugged with soot. The engine is taking corrective action to clean the DOC. No troubleshooting is required if this is the only fault. This is an information fault only.
Possible repairs:
1)If necessary, calibrate the ECM.
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