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1A2308 - P14C0 (DME)

1A2308 - P14C0

Information saved in
DME

Fault code
1A2308 - P14C0

Fault text
Electric fan, self-diagnosis, stage 2: fan fault with potential
danger to fan

Fault description
The diagnostic function monitors the electric fan's rotation
speed.

Condition for fault identification
Test condition:
The fault is recognized when unit fails to reach the specified
rotation rate within the specified period.
Potential problem source(s):
- Electric fan electronics defective
- Fan shows resistance to rotation
Terminal condition: Terminal 15
Voltage condition:
- Electrical system voltage > 10 V
Temperature condition:
- Coolant temperature > -20 °C
Time condition:
- None
Other conditions:
- none

Condition for fault memory entry
The fault is logged when it is detected 2 times within 30
seconds.

Action in service
- Check electric fan for resistance to rotation (unplug fan to
avoid injury hazard)
- Transmit trigger voltage of at least 15 % to electric fan, if
the diagnostic fault code is logged again then replace the
electric fan

Fault effect and breakdown warning
Breakdown notice:
- Probably not possible to activate electric fan, continued
driving at reduced power possible.
Possible apparent symptoms:
- Engine can overheat, breakdown in extreme cases

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