AutoCodes – Ford – C2804 Ford

C2804 Ford Code - Brake Pressure Transducer Ground Circuit Open

Quick Answer

The Brake Pressure Transducer is attached to the brake master cylinder and is hardwired to the Trailer Brake Control (TBC) Module. Common causes include Faulty Brake Pressure Transducer, Brake Pressure Transducer harness is open or shorted, Brake Pressure Transducer circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
C2804 Ford indicates Brake Pressure Transducer Ground Circuit Open.
Common causes
Common causes include Faulty Brake Pressure Transducer, Brake Pressure Transducer harness is open or shorted, Brake Pressure Transducer circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,076
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code C2804 Ford Description

The Brake Pressure Transducer is attached to the brake master cylinder and is hardwired to the Trailer Brake Control (TBC) Module. The transducer and the master cylinder are installed new as an assembly. The TBC module supplies voltage to the transducer and ground along circuits. The voltage returned from the transducer and is used by the TBC module to determine current brake pressure. Trailer Brake Control (TBC) Module sets the OBDII code when the Brake Pressure Transducer is not to factory specifications.
OBDII Code C2804 Ford - Brake Pressure Transducer Ground Circuit Open - AutoCodes.com
C2804 Ford Code - Brake Pressure Transducer Ground Circuit Open

What are the Possible Causes of the DTC C2804 Ford?

  • Faulty Brake Pressure Transducer
  • Brake Pressure Transducer harness is open or shorted
  • Brake Pressure Transducer circuit poor electrical connection
  • Faulty Trailer Brake Control (TBC) Module

How to Fix the DTC C2804 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 C2804 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 C2804 Ford code?

Need more information on how to fix the C2804 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C2804 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 C2804 Ford Code

1. What are common symptoms of OBDII code C2804 in a Ford related to the Brake Pressure Transducer Ground Circuit Open?

- Common symptoms include the ABS light being illuminated on the dashboard, loss of ABS functionality, and potential issues with the brake system.

2. What can cause the Brake Pressure Transducer Ground Circuit Open OBDII code C2804 in a Ford?

- The code C2804 can be caused by a faulty brake pressure transducer, damaged wiring or connectors, or a poor ground connection.

3. How can I diagnose the Brake Pressure Transducer Ground Circuit Open OBDII code C2804 in my Ford?

- Diagnosis involves using a scan tool to read the code, inspecting the brake pressure transducer and its wiring, and checking the ground connection for any issues.

4. What are the potential risks of driving with the Brake Pressure Transducer Ground Circuit Open OBDII code C2804 in a Ford?

- Driving with this code may lead to loss of ABS functionality, compromised brake performance, and potential safety hazards in emergency braking situations.

5. Can I repair the Brake Pressure Transducer Ground Circuit Open OBDII code C2804 in my Ford myself?

- If you have the necessary tools and experience, you can attempt to repair this issue yourself by inspecting and potentially replacing the brake pressure transducer or repairing any damaged wiring.

6. Is it safe to continue driving my Ford with the OBDII code C2804 related to the Brake Pressure Transducer Ground Circuit Open?

- It is not recommended to continue driving with this code present, as it may affect the proper functioning of your ABS system and compromise overall brake performance.

7. How much does it typically cost to repair the Brake Pressure Transducer Ground Circuit Open OBDII code C2804 in a Ford?

- The cost of repairing this issue can vary depending on the extent of the damage and whether professional assistance is required. It may range from a few hundred to a few thousand dollars.

8. Are there any temporary fixes or workarounds for the OBDII code C2804 related to the Brake Pressure Transducer Ground Circuit Open in a Ford?

- Temporary fixes are not recommended for this issue, as it is crucial to address the root cause to ensure the proper functioning and safety of the brake system.

9. How long does it typically take to repair the Brake Pressure Transducer Ground Circuit Open OBDII code C2804 in a Ford?

- The repair time can vary based on the complexity of the issue and the availability of parts. It may take a few hours to a day to complete the repair.

10. Can the OBDII code C2804 related to the Brake Pressure Transducer Ground Circuit Open in a Ford be triggered intermittently?

- Yes, this code can sometimes be triggered intermittently, especially if the issue is related to loose connections or wiring. It is important to address the problem promptly to prevent recurring occurrences.

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