Fault Information


Fault Code Description
Monitoring of the adaptation values of the nitrogen oxide sensor before the SCR catalytic converter. If the adaptation value exceeds a limit value, the fault is detected.
Limit value: 30 ppm
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): 65535
Service Plan
1. If the frequency counter of the fault is 1: Delete fault.
2. If the fault occurs more than once, replace the NOx sensor before the SCR catalytic converter.
Fault Impact
None
Warnings
Warning Lights None
Control Center Messages
Service Notes
If a nitrogen oxide sensor is replaced, the following service function must be carried out: SCR system adjustments and adaptations, SCR exhaust emission sensor system.