(DME) Condition For Fault ID - 2

2B12 - P0071

Information saved in
DME

Fault code
2B12 - P0071

Fault text
Ambient temperature sensor, plausibility

Fault description


Condition for fault identification
Test condition:
Immediately after cold start/when "driving" conditions are
satisfied, no dynamic response in intake air temperature, as
well as no long period stationary previously
Terminal condition: Engine running
Voltage condition:
none

Condition for fault memory entry
tumg_obd_model_delta > K_TUMG_OBD_DELTA_Max

Action in service
1. Replace outside temperature sensor

Fault effect and breakdown warning
MIL on after engine runs 2x

Driver information
Warning light:
No

Service instruction
none