Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
FREIGHTLINER, MERCEDES-BENZ
Reported code forms P30040B
Complaint Low Coolant warning with possible engine misfire caused by a leaking Charge Air Cooler (Intercooler), accompanied by one or more of the following possible fault codes related to the coolant system: P30040B:…
DODGE, FREIGHTLINER, MERCEDES-BENZ
Reported code forms P300494
The check engine light is illuminated, or the AdBlue warning is active, with recorded faults related to AdBlue quality or concentration. Complaint Customer reports an illuminated check engine light and or an AdBlue…
FREIGHTLINER, MERCEDES-BENZ
Reported code forms P300494
Check engine light or Adblue warning with fault codes P206B31, P203B31, or P300494 present in AdBlue (SCR) control unit (N118/5) Complaint The check engine light or AdBlue warning is activated, accompanied by one or…
FREIGHTLINER, MERCEDES-BENZ
Reported code forms P300494
Vehicles with SCR Generation 4: SCR/AdBlue® warning message cannot be reset with fault code P13DF00 or P300685 Complaint SCR or AdBlue warning message cannot be reset. All fault codes in the AdBlue (SCR) control unit…
FREIGHTLINER, MERCEDES-BENZ
Reported code forms P300494
Check engine light or Adblue warning with fault codes P206B31, P203B31, or P300494 present in AdBlue (SCR) control unit (N118/5) Complaint The check engine light or AdBlue warning is activated, accompanied by one or…
FREIGHTLINER, MERCEDES-BENZ
Reported code forms P30040B
Low Coolant Warning, Potential Misfire, and Absence of External Coolant Leaks Complaint Low Coolant warning with possible engine misfire caused by a leaking Charge Air Cooler (Intercooler), accompanied by one or more of…
FREIGHTLINER, MERCEDES-BENZ
Reported code forms P300494
Check engine light or Adblue warning with fault codes P206B31, P203B31, or P300494 when outside temperatures are below 32 degrees Fahrenheit. SCR Gen4 (KP7) Complaint: The check engine light or AdBlue warning is…
DODGE, FREIGHTLINER, MERCEDES-BENZ
Reported code forms P300494
Complaint The check engine light or AdBlue warning is activated, accompanied by one or more of the following fault codes rela- ted to the AdBlue tank: P206B31: Malfunction of the concentration sensor for AdBlue; the…