4391 - P007C (DDE)
4391 - P007CInformation saved in
DDE
Fault code
4391 - P007C
Fault text
DDE: Charge-air temperature sensor, signal: Short circuit to
ground
Fault description
Charge-air temperature sensor monitoring. The diagnostic
trouble code is logged when the raw sensor signal (voltage)
is less than the specified lower limit 200 mV.
Condition for fault identification
Test condition:
The monitoring function is only implemented when no
sensor power-supply problem is logged.
Voltage condition:
The monitoring function is only implemented when no
sensor power-supply problem is logged.
Condition for fault memory entry
Debounce (150 ms)
Action in service
1. Check wires and plug connections.
2. If wiring and plug connections are OK:
Replace charge-air temperature sensor.
Fault effect and breakdown warning
Proceed to the nearest BMW Service facility.
Driver information
Warning light:
MIL
Service instruction
none