Common Symptoms
- Check engine light illuminated
- Oil pressure warning light flickering or illuminated
- Erratic or fluctuating oil pressure gauge reading
- Engine protection mode activated causing reduced power
- No observable drivability issues in some cases
Most Likely Root Causes
- Faulty oil pressure sensor or sending unit
- Wiring harness damage or corroded connector at oil pressure sensor
- Low engine oil level or incorrect oil viscosity
- Worn oil pump or internal engine wear causing actual low oil pressure
- ECM software calibration issue
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Component Location
The oil pressure sensor is typically mounted on the engine block near the oil filter or on the cylinder head.
Manufacturer Notes
Some vehicles may set this code due to oil pressure signal noise during cold starts or when using certain aftermarket oil filters.
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