P207F

4BD3 - P207F

Information saved in
DDE

Fault code
4BD3 - P207F

Fault text
DDE: Mixture quality inadequate: Poor reducing-agent
quality detected

Fault description
Monitoring of SCR system reduction agent quality. The
diagnostic trouble code is logged when an invalid quality for
the reduction agent is recognized following refilling.

Condition for fault identification
none

Condition for fault memory entry
Debounce (2000 ms)
DDRC_DurDeb.SCRCtl_tiRdcAgQlDetFailDebDef_C

Action in service
1. Consult customer to clarify whether water may have used
to refill the tank.
If yes: Extract all content from tanks and then refill.
If tanks have not yet been filled an efficiency error is
present. This is then an exhaust-gas emissions problem.
Fault rectification as for DTC 4D17 which will also be
present in this case.

Fault effect and breakdown warning
-

Driver information
Warning light:
MIL

Service instruction
none