P304F

CD9202 - P304F

Information saved in
DME

Fault code
CD9202 - P304F

Fault text
Radiator shutter, LIN bus: signal invalid

Fault description
The diagnostic function monitors the validity of the
messages from the AKKS actuator.

Condition for fault identification
Test condition:
The fault is recognized when an incorrect message is
transmitted from the AKKS actuator. (Should only occur in
R&D phase.)
Potential problem source(s):
- Incident electromagnetic radiation
- AKKS fails to conform to project specifications
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
The fault is logged in the fault memory if it remains
continuously present for longer than 5 sec.

Action in service
- Cannot occur in production vehicles.
- If the fault occurs it is most likely the result of
electromagnetic interference.
- Clear fault memory.

Fault effect and breakdown warning
Breakdown notice:
- none
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