OBD Guide

P2C3D

Cylinder Head Temperature Sensor A/B Correlation

P2C3D is an OBD-II diagnostic trouble code meaning: Cylinder Head Temperature Sensor A/B Correlation. Common causes: head temperature sensor a or b is faulty, 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 comes on
  • Deterioration of vehicle dynamics
  • Increased fuel consumption
  • Cold start problems
  • Activating emergency engine operation

Causes

  • Head temperature sensor A or B is faulty
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Engine control unit malfunction
  • Mechanical damage to sensors

How to Fix

  1. Check temperature sensor readings using a diagnostic scanner
  2. Check the integrity of the sensor circuits
  3. Check sensor connectors and contacts
  4. Replace faulty temperature sensor
  5. If necessary, replace the engine control unit

Related codes

Error P2C3D by Vehicle Brand

FAQ

What does the P2C3D code mean?

P2C3D is an OBD-II diagnostic trouble code that indicates: Cylinder Head Temperature Sensor A/B Correlation

What causes a P2C3D error code?

The most common causes of P2C3D include: Head temperature sensor A or B is faulty; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Engine control unit malfunction.

How do I fix a P2C3D diagnostic trouble code?

To fix P2C3D: Check temperature sensor readings using a diagnostic scanner. Check the integrity of the sensor circuits. Check sensor connectors and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2C3D?

Yes, but get it checked soon

How much does it cost to fix P2C3D?

The estimated repair cost for P2C3D is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat