OBD Guide

P252E

Engine Oil Quality Sensor Circuit Intermittent/Erratic

P252E is an OBD-II diagnostic trouble code meaning: Engine Oil Quality Sensor Circuit Intermittent/Erratic. Common causes: oil quality sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Unstable oil level or quality readings
  • Reduced engine performance
  • Increased fuel consumption
  • Engine noise

Causes

  • Oil quality sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Low engine oil level
  • Heavy oil contamination

How to Fix

  1. Check the level and condition of the engine oil
  2. Inspect the connector and wiring of the oil quality sensor
  3. Check the sensor circuit for open circuit and short circuit
  4. Replace the oil quality sensor if necessary
  5. Reset the error and check if it returns

Related codes

Error P252E by Vehicle Brand

FAQ

What does the P252E code mean?

P252E is an OBD-II diagnostic trouble code that indicates: Engine Oil Quality Sensor Circuit Intermittent/Erratic

What causes a P252E error code?

The most common causes of P252E include: Oil quality sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Low engine oil level.

How do I fix a P252E diagnostic trouble code?

To fix P252E: Check the level and condition of the engine oil. Inspect the connector and wiring of the oil quality sensor. Check the sensor circuit for open circuit and short circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P252E?

Yes, but get it checked soon

How much does it cost to fix P252E?

The estimated repair cost for P252E is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat