4C1C

4C1C - P0073

Information saved in
DDE

Fault code
4C1C - P0073

Fault text
DDE: Ambient-temperature sensor, range: upper physical
limit exceeded

Fault description
The diagnostic trouble code is logged when the physical
sensor signal for outside temperature rises above the limit
value 80 �C.

Condition for fault identification
Test condition:
The monitoring routine is executed only provided that no
electrical errors related to the sensor have been logged.
Voltage condition:
The monitoring routine is executed only provided that no
electrical errors related to the sensor have been logged.

Condition for fault memory entry
Debounce (2000 ms)

Action in service
1. Check wires and plug connections.
2. If wiring and plug connections are OK:
Replace outside-temperature sensor.

Fault effect and breakdown warning
-

Driver information
Warning light:
MIL

Service instruction
none