P123E

12C504 - P123E

Information saved in
DME

Fault code
12C504 - P123E

Fault text
Nitrogen oxide sensor, sensor poisoning: NOx signal too
low

Fault description
none

Condition for fault identification
Test condition:
none
Terminal condition: none
Voltage condition:
none

Condition for fault memory entry
none

Action in service
none

Fault effect and breakdown warning
none
none

Driver information
Warning light:
none

Service instruction
- Data configured