P304C

138601 - P304C

Information saved in
DME

Fault code
138601 - P304C

Fault text
Radiator shutter, top, upper stop: not detected

Fault description
The diagnostic function monitors whether the assembly
reaches the upper limit of its travel range (radiator vent slats
open) after first repositioning to the lower extremity of its
travel range (radiator vent slat closed) during the self-test.

Condition for fault identification
Test condition:
The fault is recognized when the system fails to reach the
upper limit of its travel range (radiator vent slat assembly
open).
Potential problem source(s):
- Mechanical defect in radiator vent slat assembly (broken
linkage)
Terminal condition: Terminal 15
Voltage condition:
- Electrical system voltage > 10 V
Temperature condition:
- None
Time condition:
- 6 sec. over 30 km/h
Other conditions:
- Once at v > 30 km/h

Condition for fault memory entry
This fault is logged in the control module's fault memory
immediately.

Action in service
- Check radiator vent slat assembly for travel resistance
(perform system test)

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