2F77

2F77 - P0522

Information saved in
DME

Fault code
2F77 - P0522

Fault text
Engine oil pressure sensor, electrical:

Fault description
Engine-oil pressure sensor, electric

Condition for fault identification
Test condition:
The error is recognized when the voltage of the engine-oil
pressure sensor upmoelm_w < 0.151 V.
Terminal condition: none
Voltage condition:
Onboard electrical system voltage between 10.8 V and 17 V

Condition for fault memory entry
0.4 sec.

Action in service
1. Check wiring harness between sensor and DME
2. Replace sensor
3. Replace DME

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