46E9 - P202C (DDE)

46E9 - P202C

Information saved in
DDE

Fault code
46E9 - P202C

Fault text
DDE: Reducing-agent active-tank heating, activation: Short
circuit to positive

Fault description
The DDE recognizes a short circuit to positive error in the
output stage:
Active tank heating system.

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 diagnosis to activate heating systems.
4. Replace power switch.

Fault effect and breakdown warning
-

Driver information
Warning light:
MIL

Service instruction
none