AutoCodes – Ford – P0544 Ford

P0544 Ford Code - Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 1

Quick Answer

The Powertrain Control Module (PCM) continuously monitors the Exhaust Gas Temperature Sensor (EGTS) for proper circuit continuity and out of range high values. Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 1 Sensor 1, Exhaust Gas Temperature Sensor Bank 1 Sensor 1 harness is open or shorted, Exhaust Gas Temperature Sensor Bank 1 Sensor 1 circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P0544 Ford indicates Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 1.
Common causes: Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 1 Sensor 1, Exhaust Gas Temperature Sensor Bank 1 Sensor 1 harness is open or shorted, Exhaust Gas Temperature Sensor Bank 1 Sensor 1 circuit poor electrical connection.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 5,022

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jan 15, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0544 Ford Description

The Powertrain Control Module (PCM) continuously monitors the Exhaust Gas Temperature Sensor (EGTS) for proper circuit continuity and out of range high values. The EGTS is located in front of the Diesel Oxidation Catalyst (DOC) and/or in front of the Diesel Particulate Filter (DPF). The EGTS detects exhaust gas temperature and converts it into a voltage and feeds back to the PCM with the voltage signal in order to control engine conditions to effectively reduce emissions. The PCM sets the P0544 OBDII code when the Exhaust Gas Temperature Sensor is out of factory specifications.

OBDII Code P0544 Ford - Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 1 - AutoCodes.com — P0544 Ford Code - Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 1

What does this mean?

What are the Possible Causes of the DTC P0544 Ford?

Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 1 Sensor 1
Exhaust Gas Temperature Sensor Bank 1 Sensor 1 harness is open or shorted
Exhaust Gas Temperature Sensor Bank 1 Sensor 1 circuit poor electrical connection
Exhaust leaks
Excessive particulate matter buildup on sensor

How to Fix the DTC P0544 Ford?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0544 Ford code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0544 Ford code?

Need more information on how to fix the P0544 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0544 Ford code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0544 Ford Code

1. What are the common symptoms of OBDII code P0544 in a Ford vehicle?

- Common symptoms include reduced engine power, poor fuel efficiency, and the illumination of the check engine light.

2. What does OBDII code P0544 indicate in a Ford vehicle?

- OBDII code P0544 indicates a malfunction in the exhaust gas temperature sensor circuit for Bank 1 Sensor 1.

3. What are the possible causes of OBDII code P0544 in a Ford vehicle?

- Possible causes include a faulty exhaust gas temperature sensor, damaged wiring or connectors, and issues with the sensor circuit.

4. How can I diagnose the issue causing OBDII code P0544 in my Ford vehicle?

- Diagnosis typically involves checking the exhaust gas temperature sensor, inspecting the wiring and connectors for damage, and testing the sensor circuit for proper functioning.

5. Can I drive my Ford vehicle with OBDII code P0544?

- It is not recommended to drive your vehicle with OBDII code P0544, as it can lead to further engine damage and potential safety hazards.

6. How can I repair OBDII code P0544 in my Ford vehicle?

- Repairing OBDII code P0544 may involve replacing the exhaust gas temperature sensor, repairing damaged wiring or connectors, or resetting the sensor circuit.

7. Is it possible to reset OBDII code P0544 in a Ford vehicle?

- Yes, after fixing the underlying issue causing the code, you can reset OBDII code P0544 using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes.

8. Can a DIY enthusiast fix OBDII code P0544 in a Ford vehicle?

- Depending on your skills and experience, you may be able to fix OBDII code P0544 yourself by following the repair procedures outlined in the vehicle's service manual.

9. How much does it cost to repair OBDII code P0544 in a Ford vehicle?

- The cost of repairing OBDII code P0544 can vary depending on the specific issue, parts needed, and labor rates, but it is advisable to consult with a mechanic for a more accurate estimate.

10. Will OBDII code P0544 cause my Ford vehicle to fail an emissions test?

- Yes, OBDII code P0544 can cause your Ford vehicle to fail an emissions test, as it indicates a problem with the exhaust gas temperature sensor circuit.