4871 - P124C (DDE)

4871 - P124C

Information saved in
DDE

Fault code
4871 - P124C

Fault text
NOx sensor before DeNOx cat, plausibility:

Fault description
Monitoring ID of NOx sensor before the 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 before SCR converter.

Fault effect and breakdown warning
-

Driver information
Warning light:
MIL

Service instruction
none