P252B-62: Engine Oil Quality Sensor Circuit Range/Performance - Signal compare failure: Action
- Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check oil level sensor circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Using the manufacturer approved diagnostic system clear all stored DTCs using the `Diagnosis Menu' tab and retest