P252C

Engine Oil Quality Sensor Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine Light Is On
Reduced engine power
Unstable engine operation
Increased fuel consumption
Low oil quality message on the dashboard

Causes

Oil quality sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Problems with the engine control unit (ECU)
Low or contaminated engine oil level

How to Fix

Check the level and condition of the engine oil
Inspect the sensor circuit for damage
Check the connectors and contacts of the sensor
Test the oil quality sensor
Replace sensor if necessary

Related codes

P252B P252D P0520