P244D

4175 - P244D

Information saved in
DDE

Fault code
4175 - P244D

Fault text
DDE: Exhaust-gas temperature sensor before particulate
filter, signal: Signal too high

Fault description
Monitoring of exhaust-gas temperature sensor before
particulate filter. When the exhaust-gas temperature rises
above the physically logical upper the DTC is logged.

Condition for fault identification
Test condition:
The check runs continuously in a 100 ms grid.
Voltage condition:
The check runs continuously in a 100 ms grid.

Condition for fault memory entry
Debounce (50000 ms)

Action in service
1. Check particulate filter and catalyst for damage.
2. Check wires and plug-in connections, if OK: Replace pre-
particulate filter exhaust-gas temperature sensor.
3. Check EGR valve for leakage, clean as required.

Fault effect and breakdown warning
Proceed to the nearest BMW Service facility.

Driver information
Warning light:
MIL

Service instruction
none