P2621

43D1 - P2621

Information saved in
DDE

Fault code
43D1 - P2621

Fault text
DDE: Throttle-valve actuator, activation: Short circuit to
ground

Fault description
The DDE recognizes a short circuit to ground error in the
output stage:
Throttle-valve actuator.

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 (2400 ms)

Action in service
1. Check wires and plug connections.
2. If wiring and plug connections are OK:
Replace throttle-valve actuator.

Fault effect and breakdown warning
The error disables regeneration in the particulate filter.

Driver information
Warning light:
MIL

Service instruction
none