4C52 - P007B (DDE)
4C52 - P007BInformation saved in
DDE
Fault code
4C52 - P007B
Fault text
DDE: Charge-air temperature sensor, plausibility: Charge-
air temperature not plausible in rel. to remaining
temperature signals
Fault description
The measured variables from the air-temperature sensors are
checked against each other for relative plausibility. The
DTC is logged when the charge-air temperature is
implausible relative to all 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 charge-air temperature sensor.
Fault effect and breakdown warning
Proceed to the nearest BMW Service facility.
Driver information
Warning light:
MIL
Service instruction
none