P10C7

107508 - P10C7

Information saved in
DME

Fault code
107508 - P10C7

Fault text
Air-mass flow sensor, self-diagnosis: sensor faulty

Fault description
The diagnostic function monitors whether the Bank 1 mass
airflow sensor transmits the oscilloscope trace when an
internal fault is detected.

Condition for fault identification
Test condition:
The fault is recognized when the digital air mass signal
continuously has low level and the digital temperature signal
continuously has high level.
Potential problem source(s):
- Mass airflow sensor defective
Terminal condition: none
Voltage condition:
- Electrical system voltage > 10 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine on

Condition for fault memory entry
This fault is logged in the control module's fault memory if
it remains present for longer than 0.6 sec.

Action in service
- Replace HFM

Fault effect and breakdown warning
Breakdown notice:
- none
Possible apparent symptoms:
- Slight reduction in power

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

Service instruction
- none