BMW 328i Sedan (E90) L6-3.0L (N51) P code charts 47
Fault effect and breakdown warning
Driver information
Warning light:
1) Visual inspection of sensor
2) Electrical check on sensor wire and power supply wire
2) Check sensor data response to motion
3) Replace sensor
Service instruction
none
P0072
2F9A - P0072
Information saved in
DME
Fault code
2F9A - P0072
Fault text
Ambient temperature sensor, communication
Fault description
Ambient Air Temperature Sensor Circuit Low
Condition for fault identification
Test condition:
Ambient temperature sensor signal communications monitor
Terminal condition: Terminal 15 ON
Voltage condition:
none
Condition for fault memory entry
22 sec.
Action in service
1) Visual inspection of sensor
2) Electrical check on sensor wire and power wires
3) Sensor replacement
Fault effect and breakdown warning
Driver information
Warning light:
MIL ON in US versions only
Service instruction
none
P0073
2F9A - P0073
Information saved in
DME
Fault code
2F9A - P0073
Fault text
Ambient temperature sensor, communication
Fault description
Ambient Air Temperature Sensor Circuit High
