2F7D

2F7D - P0521

Information saved in
DME

Fault code
2F7D - P0521

Fault text
Engine-oil-pressure sensor, plausibility

Fault description
Engine oil-pressure sensor, plausibility

Condition for fault identification
Test condition:
The error is recognized when the oil pressure remains
constant for more than 20 sec.
Terminal condition: Terminal 15
Voltage condition:
none

Condition for fault memory entry
20 sec.

Action in service
- Collateral error: If the DTCs 0x2F76 or 0x2F77 have been
logged, perform only the action prescribed for these
problems.
- Check contact between ground wire and oil-pressure
sensor
- If problem arises again check all wiring to the oil-pressure
sensor
- If problem occurs again replace the oil-pressure sensor

Fault effect and breakdown warning
None
Best case scenario:
None
Worst case scenario:
Slight increase in fuel consumption
Possible noise generation (oil pump whines)

Driver information
Warning light:
none

Service instruction
None