2020 BMW 128i Coupe (E82) L6-3.0L (N51) Diagnostic Trouble Codes ( DTC ): P Code Charts Service instruction
none
P0520
2F7B - P0520
Information saved in
DME
Fault code
2F7B - P0520
Fault text
Oil-pressure switch, plausibility
Fault description
Engine Oil Pressure Sensor/Switch Circuit
Condition for fault identification
Test condition:
Oil presure switch monitor
Terminal condition: Engine speed = 0
Control module in post-operational shutdown phase Voltage condition:
Voltage in onboard electrical system > 10 V
Condition for fault memory entry
Engine shutdown:
continues roughly 8 sec. after engine is switched off.
Action in service
Check wire from oil pressure switch.
If not OK --> Repair wire If OK -->
Replace switch
Switch should change position when engine is started and then shut down (ground connection)
Fault effect and breakdown warning
Driver information
Warning light:
Possible display in the MMI will vary according to whether the switch seizes while open or closed.
