Fault Information


Fault Code Description
The AdBlue quality is monitored.
The fault is detected if the SCR long-term adaptation factor exceeds a limit value.
Limit value: between 1.5 and 50 (depending on the version).
Fault Code Conditions
General Conditions
Control unit voltage: 9.5 V to 16 V.
Terminal Condition

Driving Conditions
Fault Time Condition
The fault is entered if it has been detected more than the following number of times (fault debouncing counter): 10
Service Plan
Check the AdBlue quality with the refractometer.
Replace AdBlue.
Fault Impact
None
Warnings
Warning Lights None
Control Center Messages
Service Notes
If the AdBlue is replaced, the following service function must be carried out: SCR system adjustments and adaptations, AdBlue (long-term adaptation factor).
The fault cannot be deleted until the DDE has detected a functioning SCR system. For this purpose, complete a conditioning run until the Check Control message goes out. The fault memory can then be deleted.