1C3001

1C3001 - P0523

Information saved in
DME

Fault code
1C3001 - P0523

Fault text
Engine-oil pressure sensor, electric: short circuit to positive

Fault description
The diagnostic function monitors the upper voltage limit of
the engine oil-pressure sensor.

Condition for fault identification
Test condition:
The fault is recognized when the voltage of the engine oil-
pressure sensor exceeds 4.9 V.
Potential problem source(s):
- Fault in wiring harness between sensor and DME
- Sensor defective
- Defective DME
Terminal condition: Terminal 15
Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

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

Action in service
- Check wiring harness between DME and sensor
- Replace sensor
- Replace DME

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