P0004

11C401 - P0004

Information saved in
DME

Fault code
11C401 - P0004

Fault text
Fuel-supply control valve, activation: short circuit to
positive

Fault description
The diagnostic function monitors the flow-control valve's
PWM control signal's upper limit value.

Condition for fault identification
Test condition:
The fault is recognized when the flow-control valve's PWM
signal is > 95 %.
Potential problem source(s):
- Signal wire shorted to UBatt
Terminal condition: Terminal 15
Voltage condition:
- Electrical system voltage > 10 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

Condition for fault memory entry
This fault is logged in the control module's fault memory if
it remains present for longer than 0.5 sec.

Action in service
- Check wiring harness to flow-control valve in the high-
pressure pump
- Replace high-pressure pump

Fault effect and breakdown warning
Breakdown notice:
- none
Possible apparent symptoms:
- none

Driver information
Warning light:
- ECE emissions warning lamp: on
- US emissions warning lamp: on
- ECE electronic engine power reduction: on
- US electronic engine power reduction: on
- CC message: on

Service instruction
- none