P0072

2B64 - P0072

Information saved in
DME

Fault code
2B64 - P0072

Fault text
Ambient-temperature sensor

Fault description
Ambient Air Temperature Sensor Circuit 'A' Low

Condition for fault identification
Test condition:
Error message from CAN I-cluster message
Terminal condition: B_ZUST_ML
&&
B_EMPF_ATEMP
Voltage condition:
none

Condition for fault memory entry
10000 ms

Action in service
1. Check plug and wiring harness. 2. Check stored error
codes logged in I-cluster.
3. Replace ambient temperature sensor.

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

Driver information
Warning light:
MIL

Service instruction
none