AutoCodes – Ford – P246D Ford

P246D Ford Code - Diesel Particulate Filter Pressure Sensor 'A'/'B' Correlation

Quick Answer

The Powertrain Control Module (PCM) monitors the rationality of the Diesel Particulate Filter (DPF) pressure sensor during idle and part load operating conditions. Common causes include Faulty Diesel Particulate Filter Pressure Sensor, Diesel Particulate Filter Pressure Sensor harness is open or shorted, Diesel Particulate Filter Pressure Sensor 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
P246D Ford indicates Diesel Particulate Filter Pressure Sensor 'A'/'B' Correlation.
Common causes
Common causes include Faulty Diesel Particulate Filter Pressure Sensor, Diesel Particulate Filter Pressure Sensor harness is open or shorted, Diesel Particulate Filter Pressure Sensor 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 7,771
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 15, 2019
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Code P246D Ford Description

The Powertrain Control Module (PCM) monitors the rationality of the Diesel Particulate Filter (DPF) pressure sensor during idle and part load operating conditions. The test fails when the diesel particulate filter pressure sensor signal value at idle is less than 0.15 kPa (0.022 psi). The test also fails when the diesel particulate filter pressure sensor signal value at part load is less than a minimum value or greater than a maximum value. These minimum and maximum values are based on the volume of exhaust.
OBDII Code P246D Ford - Diesel Particulate Filter Pressure Sensor 'A'/'B' Correlation - AutoCodes.com
P246D Ford Code - Diesel Particulate Filter Pressure Sensor 'A'/'B' Correlation

What are the Possible Causes of the DTC P246D Ford?

  • Faulty Diesel Particulate Filter Pressure Sensor
  • Diesel Particulate Filter Pressure Sensor harness is open or shorted
  • Diesel Particulate Filter Pressure Sensor circuit poor electrical connection

How to Fix the DTC P246D 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 P246D 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 P246D Ford code?

Need more information on how to fix the P246D Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P246D 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 P246D Ford Code

1. What are common symptoms of OBDII code P246D in a Ford vehicle?

- Common symptoms include reduced engine power, increased fuel consumption, the presence of black smoke from the exhaust, and the illumination of the check engine light.

2. What causes the OBDII code P246D to trigger in a Ford diesel vehicle?

- This code is typically triggered when there is a correlation issue between the Diesel Particulate Filter (DPF) pressure sensor 'A' and 'B', indicating a problem with the DPF system.

3. How can I diagnose the Diesel Particulate Filter Pressure Sensor 'A'/'B' Correlation issue in my Ford truck?

- Diagnosis involves using a diagnostic scanner to read the specific fault codes, checking the wiring and connections to the DPF pressure sensors, and ensuring proper sensor functionality.

4. What are the potential repair options for resolving the P246D code in a Ford diesel vehicle?

- Repair options may include checking and cleaning the DPF pressure sensors, replacing faulty sensors, repairing any damaged wiring or connectors, and performing a forced regeneration of the DPF system.

5. Is it safe to continue driving my Ford vehicle with the P246D code present?

- It is not recommended to drive the vehicle with the P246D code active, as it can lead to further damage to the DPF system and engine components. Prompt diagnosis and repair are advised.

6. Can a DIY enthusiast fix the P246D code issue in a Ford truck?

- While some basic checks and maintenance tasks can be performed by DIY enthusiasts, diagnosing and repairing the DPF pressure sensor correlation issue may require specialized tools and expertise, so professional help is recommended.

7. How much does it typically cost to repair the Diesel Particulate Filter Pressure Sensor 'A'/'B' Correlation problem in a Ford vehicle?

- The cost of repair can vary depending on the extent of the issue, the need for sensor replacements, and labor charges. It is advisable to consult a mechanic for an accurate estimate.

8. Will resetting the check engine light make the P246D code go away permanently?

- Simply resetting the check engine light will not fix the underlying issue causing the P246D code. Proper diagnosis and repair are necessary to prevent the code from reoccurring.

9. Are there any maintenance tips to prevent the recurrence of the P246D code in a Ford diesel vehicle?

- Regular maintenance of the DPF system, including timely filter regeneration and sensor checks, can help prevent issues like the Diesel Particulate Filter Pressure Sensor 'A'/'B' Correlation problem.

10. How long does it typically take to repair the P246D code issue in a Ford truck?

- The repair time can vary based on the specific diagnosis, availability of parts, and the complexity of the repair. In general, it may take a few hours to a full day to address the P246D code problem effectively.

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