4872 - P124E (DDE)

4872 - P124E

Information saved in
DDE

Fault code
4872 - P124E

Fault text
NOx sensor after DeNOx cat', plausibility:

Fault description
Monitoring of NOx sensor ID (Sensor 2 behind SCR
converter).
The installed sensor is not correct for this system.

Condition for fault identification
Test condition:
The error check runs while the sensor is being initialized.
Voltage condition:
The error check runs while the sensor is being initialized.

Condition for fault memory entry
Debounce (500 ms)

Action in service
Install correct NOx sensor behind SCR converter.

Fault effect and breakdown warning
-

Driver information
Warning light:
MIL

Service instruction
none