P304A

138401 - P304A

Information saved in
DME

Fault code
138401 - P304A

Fault text
Radiator shutter, top, actuator internal: electrical fault

Fault description
The diagnostic function monitors the radiator vent slat
assembly for internal electrical malfunctions.

Condition for fault identification
Test condition:
The fault is recognized by the self-diagnosis.
Potential problem source(s):
- Internal electrical malfunction in radiator vent flap actuator
Terminal condition: Terminal 15
Voltage condition:
- Electrical system voltage > 10 V
Temperature condition:
- None
Time condition:
- 5 sec.
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 2 sec.

Action in service
- Replace radiator vent slat actuator

Fault effect and breakdown warning
Breakdown notice:
- Radiator vent slats can be opened by hand
Possible apparent symptoms:
- The engine may overheat.

Driver information
Warning light:
- ECE emissions warning lamp: off
- US emissions warning lamp: off
- ECE electronic engine power reduction: off
- US electronic engine power reduction: off
- CC message: none

Service instruction
- none