4D97

4D97 - P0472

Information saved in
DDE

Fault code
4D97 - P0472

Fault text
DDE: Exhaust-gas pressure sensor before turbocharger,
range: lower physical limit undershot

Fault description
The diagnostic trouble code is logged when the physical
sensor signal for pre-turbocharger exhaust-gas pressure falls
below the limit value 610 mbar.

Condition for fault identification
Test condition:
The monitoring routine is executed only provided that no
electrical errors have been logged.
Voltage condition:
The monitoring routine is executed only provided that no
electrical errors 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 exhaust-gas pressure sensor before turbocharger.

Fault effect and breakdown warning
-

Driver information
Warning light:
MIL

Service instruction
none