OBD Guide

P0195

Engine Oil Temperature Sensor A Circuit

P0195 is an OBD-II diagnostic trouble code meaning: Engine Oil Temperature Sensor A Circuit. Common causes: malfunction of the engine oil temperature sensor, open or shorted wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Inaccurate oil temperature readings on the dashboard
  • Increased fuel consumption
  • Reduced engine power
  • Check Engine Light Is On

Causes

  • Malfunction of the engine oil temperature sensor
  • Open or shorted wiring harness
  • Poor contact in the sensor connector
  • Engine ECU malfunction

How to Fix

  1. Check the integrity of the wiring harness and contacts
  2. Check the resistance of the oil temperature sensor
  3. Replace sensor if necessary
  4. Clear error codes and test drive

Related codes

Error P0195 by Vehicle Brand

FAQ

What does the P0195 code mean?

P0195 is an OBD-II diagnostic trouble code that indicates: Engine Oil Temperature Sensor A Circuit

What causes a P0195 error code?

The most common causes of P0195 include: Malfunction of the engine oil temperature sensor; Open or shorted wiring harness; Poor contact in the sensor connector; Engine ECU malfunction.

How do I fix a P0195 diagnostic trouble code?

To fix P0195: Check the integrity of the wiring harness and contacts. Check the resistance of the oil temperature sensor. Replace sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0195?

Limited driving only, diagnose soon

How much does it cost to fix P0195?

The estimated repair cost for P0195 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat