P0070

4C5B - P0070

Information saved in
DDE

Fault code
4C5B - P0070

Fault text
DDE: Ambient temperature sensor, plausibility:

Fault description
The measured variables from the air-temperature sensors are
checked against each other for relative plausibility. The
DTC is logged when the outside temperature is implausible
relative to all of the other measured values.

Condition for fault identification
Test condition:
The monitoring routine executes once per driving cycle in
the cold-start phase.
Voltage condition:
The monitoring routine executes once per driving cycle in
the cold-start phase.

Condition for fault memory entry
Debounce (50 ms)

Action in service
Replace outside temperature sensor.

Fault effect and breakdown warning
Proceed to the nearest BMW Service facility.

Driver information
Warning light:
MIL

Service instruction
none