Code result
P252E
Engine Oil Quality Sensor Circuit Intermittent/Erratic
Moderate severity
What it means
The oil quality sensor signal jumps or drops out — usually a loose connector at the oil pan, an oil-soaked harness or vibration cracks at the sensor housing.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Loose oil-soaked connector
highOne of the most commonly reported causes for this code — check this first.
Cracked sensor housing
mediumA plausible cause — test and verify before replacing parts.
Connector with intermittent contact under vibration
lowLess common, but worth ruling out after the more likely causes.
Related help
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