10BA41 - P0071 (DME)

10BA41 - P0071

Information saved in
DME

Fault code
10BA41 - P0071

Fault text
Outside temperature sensor, plausibility: Ambient
temperature less than model temperature

Fault description
The diagnostic function checks the plausibility of the outside
temperature.

Condition for fault identification
Test condition:
The fault is recognized when the outside temperature
remains more than 20 °C below the model value for longer
than 14 sec.
Potential problem source(s):
- Defective wiring harness
- Outside temperature sensor defective
Terminal condition: none
Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- Engine warmed to normal temp, above 80 °C
Time condition:
- None
Other conditions:
- Engine on
- Vehicle speed in excess of 45 km/h
- Mass-airflow rate less than 200 kg/h
- Intake-air temperature is less than 60 °C, above -10 °C

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

Action in service
- Check outside temperature
- Check outside temperature sensor
- Check wiring harness between the instrument cluster and
the outside temperature sensor

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

Driver information
Warning light:
ECE:
- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message: none
MY10 US:
- US emissions warning lamp: on
- US electronic engine power reduction: off
- CC message: on

Service instruction
- The following conditions can lead to an incorrect
diagnosis:
- Battery change or defective battery
- Engine heated by secondary source, such as auxiliary
heater
- Sensor frozen