U11B6

CD9201 - U11B6

Information saved in
DME

Fault code
CD9201 - U11B6

Fault text
Radiator shutter, LIN bus: not current

Fault description
The diagnostic function monitors between the active air flap
control and the DME.

Condition for fault identification
Test condition:
The fault is recognized when communications are
interrupted.
Potential problem source(s):
- Defect in power supply to radiator vent slat assembly
- Defect in wiring harness
- Radiator shutter defective
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
- Check LIN bus between DME and radiator vent slat
assembly
- Check power-supply voltage to radiator vent slat assembly
- Check wiring harness
- Replace radiator vent slat actuator

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