1C0101

1C0101 - P159F

Information saved in
DME

Fault code
1C0101 - P159F

Fault text
Engine-oil pressure control, static: engine-oil pressure too
high, limp-home operation

Fault description
The diagnostic function monitors the oil pressure.

Condition for fault identification
Test condition:
The fault is recognized when the oil pressure rises beyond a
defined level in relation to oil temperature and engine speed.
Potential problem source(s):
- Defect in wiring harness between oil-pressure sensor and
DME
- Defective oil-pressure sensor
- Oil pressure control valve defective
Terminal condition: Terminal 15
Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- Engine warmed to normal temp, above 80 °C
Time condition:
- None
Other conditions:
- Engine ON

Condition for fault memory entry
This fault is logged in the control module's fault memory
immediately.

Action in service
- Check wiring harness between oil-pressure sensor and
DME
- Replace oil-pressure sensor
- Replace oil pressure control valve

Fault effect and breakdown warning
Breakdown notice:
- none
Possible apparent symptoms:
- none

Driver information
Warning light:
- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message: none
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message: none

Service instruction
- none