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P208D

47E4 - P208D

Information saved in
DDE

Fault code
47E4 - P208D

Fault text
DDE: Reducing-agent delivery pump, activation: Short
circuit to positive

Fault description
The DDE recognizes a short circuit to positive error in the
output stage:
Delivery pump.

Condition for fault identification
Test condition:
The check frequency depends on the process sequence
control.
Voltage condition:
The check frequency depends on the process sequence
control.

Condition for fault memory entry
Debounce (1000 ms)

Action in service
1. Check wires and plug connections.
2. If wiring and plug connections are OK:
3. Use diagnostic system to test delivery module.
4. Replace delivery module.

Fault effect and breakdown warning
-

Driver information
Warning light:
MIL

Service instruction
none