OBD Guide

P044D

EGR Sensor C Circuit High

P044D is an OBD-II diagnostic trouble code meaning: EGR Sensor C Circuit High. Common causes: egr sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Unstable engine idling
  • Reduced engine power
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • EGR sensor malfunction
  • Open or short circuit in wiring harness
  • Problems with sensor connectors
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the EGR sensor wiring harness and connectors for damage.
  2. Check the resistance and voltage of the EGR sensor
  3. Replace EGR sensor if necessary
  4. Clean or replace the EGR valve if it is dirty
  5. Reset the error and check if it returns

Related codes

Error P044D by Vehicle Brand

FAQ

What does the P044D code mean?

P044D is an OBD-II diagnostic trouble code that indicates: EGR Sensor C Circuit High

What causes a P044D error code?

The most common causes of P044D include: EGR sensor malfunction; Open or short circuit in wiring harness; Problems with sensor connectors; Engine control unit (ECU) malfunction.

How do I fix a P044D diagnostic trouble code?

To fix P044D: Check the EGR sensor wiring harness and connectors for damage.. Check the resistance and voltage of the EGR sensor. Replace EGR sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P044D?

Limited driving only, diagnose soon

How much does it cost to fix P044D?

The estimated repair cost for P044D is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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