P0523

Tests 1 - 3:

Tests 4 - 6:

SYMPTOM
P0523-OIL PRESSURE SENSOR VOLTS HIGH

WHEN MONITORED
With the ignition ON and battery voltage above 10.4 volts.

SET CONDITION
The oil pressure sensor signal at PCM goes above 4.9 volts.

POSSIBLE CAUSES
- Oil pressure sensor signal circuit open
- Wiring harness intermittent
- Sensor ground circuit open
- Oil pressure sensor (open)
- Oil pressure sensor signal circuit shorted to voltage
- Powertrain control module