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 operation of the electric
fan.

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):
- Fan shows resistance to rotation
- Electric fan is defective (electronics)
Terminal condition: Terminal 15
Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

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

Action in service
- Disconnect plug from fan (to prevent injury hazard). Check
freedom of movement of fan. Remove any foreign
matter/objects that may be present.
- Fan is physically seized: Replace fan
- Fan turns freely: Connect plug and use tester to transmit
activation signal of at least 30 %; if fan fails to start rotating:
Replace fan
- Allow engine to run roughly 6 minutes, until it warms to
normal temperature (above 80 °C), read out diagnostic fault
codes from ECU; if fan fault has returned: Replace fan
- Allow engine to run an additional 10 minutes, read out
diagnostic fault codes from ECU; if fan fault is again
present: Replace fan
- If no new diagnostic fault code has been entered: Test OK

Fault effect and breakdown warning
Breakdown notice:
None
Possible apparent symptoms:
None

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

Service instruction
None