AutoCodes – Ford – C2805 Ford

C2805 Ford Code - Brake Pressure Transducer Ground Circuit Short To Battery

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
C2805 Ford indicates Brake Pressure Transducer Ground Circuit Short To Battery.
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 1,043
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 C2805 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 C2805 Ford - Brake Pressure Transducer Ground Circuit Short To Battery - AutoCodes.com
C2805 Ford Code - Brake Pressure Transducer Ground Circuit Short To Battery

What are the Possible Causes of the DTC C2805 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 C2805 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 C2805 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 C2805 Ford code?

Need more information on how to fix the C2805 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C2805 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 C2805 Ford Code

1. What are the common symptoms of OBDII code C2805 in a Ford related to the Brake Pressure Transducer Ground Circuit Short To Battery?

The common symptoms include the ABS warning light illuminating on the dashboard, potential loss of ABS functionality, and possible issues with the brake system.

2. What are the possible causes of the OBDII code C2805 in a Ford indicating a Brake Pressure Transducer Ground Circuit Short To Battery?

Potential causes include damaged wiring or connectors in the brake pressure transducer circuit, a faulty brake pressure transducer, or a short circuit to the battery in the ground circuit.

3. How can I diagnose the OBDII code C2805 in a Ford for the Brake Pressure Transducer Ground Circuit Short To Battery issue?

Diagnosis involves using a diagnostic scanner to retrieve the trouble code, inspecting the brake pressure transducer wiring and connectors for damage, and testing the brake pressure transducer itself for functionality.

4. Can driving with the OBDII code C2805 related to the Brake Pressure Transducer Ground Circuit Short To Battery cause further damage to the vehicle?

Continued driving with this issue can potentially lead to brake system malfunctions and compromised safety, so it is recommended to address the problem promptly.

5. What are the repair options for resolving the OBDII code C2805 in a Ford due to the Brake Pressure Transducer Ground Circuit Short To Battery?

Repair options include repairing or replacing damaged wiring and connectors, replacing the brake pressure transducer if faulty, and clearing the trouble code with a diagnostic tool.

6. Are there any DIY tips for fixing the OBDII code C2805 indicating a Brake Pressure Transducer Ground Circuit Short To Battery in a Ford?

While basic inspections and visual checks can be done by DIY enthusiasts, it is recommended to consult a professional mechanic for accurate diagnosis and repair of this issue due to the complexity of the brake system.

7. How much does it typically cost to repair the OBDII code C2805 related to the Brake Pressure Transducer Ground Circuit Short To Battery in a Ford?

The repair costs can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

8. Can resetting the OBDII code C2805 related to the Brake Pressure Transducer Ground Circuit Short To Battery make the issue go away permanently?

Resetting the code without addressing the underlying problem will not fix the issue permanently. It is crucial to diagnose and repair the root cause to prevent the code from reoccurring.

9. Is it safe to drive my Ford with the OBDII code C2805 indicating a Brake Pressure Transducer Ground Circuit Short To Battery?

It is not advisable to drive the vehicle with this issue, as it can affect the proper functioning of the brake system, potentially compromising safety. Prompt attention and repair are recommended.

10. How long does it typically take to repair the OBDII code C2805 for the Brake Pressure Transducer Ground Circuit Short To Battery in a Ford?

The repair time can vary depending on the exact cause of the problem and the availability of parts. In general, it may take a few hours to a day to diagnose and repair this issue by a qualified mechanic.

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