AutoCodes – Ford – C2803 Ford

C2803 Ford Code - Brake Pressure Transducer Sense Circuit Failure

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
C2803 Ford indicates Brake Pressure Transducer Sense Circuit Failure.
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.
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Code Popularity 6,526
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 C2803 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 C2803 Ford - Brake Pressure Transducer Sense Circuit Failure - AutoCodes.com
C2803 Ford Code - Brake Pressure Transducer Sense Circuit Failure

What are the Possible Causes of the DTC C2803 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 C2803 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 C2803 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.

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Need Help with the Code?

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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 C2803 Ford Code

1. What are the common symptoms of OBDII code C2803 in a Ford related to Brake Pressure Transducer Sense Circuit Failure?

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

2. What are the possible causes of OBDII code C2803 in a Ford indicating Brake Pressure Transducer Sense Circuit Failure?

Potential causes of this code may include a faulty brake pressure transducer, damaged wiring or connectors in the sense circuit, or a problem with the ABS control module.

3. How can I diagnose the Brake Pressure Transducer Sense Circuit Failure related to OBDII code C2803 in my Ford?

Diagnosis typically involves using a diagnostic scanner to retrieve the code, checking the brake pressure transducer for proper function, inspecting the wiring and connectors for damage, and testing the ABS control module if needed.

4. Is it safe to drive my Ford with OBDII code C2803 related to Brake Pressure Transducer Sense Circuit Failure?

It is generally not recommended to drive the vehicle when this code is present, as it may affect the performance of the ABS system and compromise overall braking safety. Immediate attention and repair are advised.

5. Can I reset the OBDII code C2803 related to Brake Pressure Transducer Sense Circuit Failure in my Ford using a simple reset tool?

While you can clear the code temporarily with a basic OBDII scanner, the underlying issue causing the code must be addressed and fixed to prevent it from reoccurring.

6. How much does it typically cost to repair OBDII code C2803 in a Ford linked to Brake Pressure Transducer Sense Circuit Failure?

The cost of repair can vary depending on the specific cause of the issue, but it may involve replacing the brake pressure transducer, repairing damaged wiring, or addressing problems with the ABS control module. Costs can range from a few hundred to over a thousand dollars.

7. Can a DIY enthusiast fix OBDII code C2803 related to Brake Pressure Transducer Sense Circuit Failure in a Ford?

While some experienced DIYers may be able to diagnose and repair simpler causes of this code, it is recommended to consult a professional mechanic or technician for proper diagnosis and repair to ensure safety and accuracy.

8. How urgent is it to address OBDII code C2803 in a Ford indicating Brake Pressure Transducer Sense Circuit Failure?

Given that this code is related to the brake system and ABS functionality, it is crucial to address it promptly to maintain safe driving conditions and prevent potential brake-related issues on the road.

9. Are there any preventive maintenance measures to avoid OBDII code C2803 in a Ford associated with Brake Pressure Transducer Sense Circuit Failure?

Regular inspection of the brake system, including the pressure transducer and related components, as part of routine maintenance can help detect potential issues early and prevent the occurrence of this code.

10. Will OBDII code C2803 in a Ford cause the vehicle to fail an emissions test?

While this code is related to the brake system and not directly emissions-related, it is still important to address and repair it to ensure the overall safety and performance of the vehicle.

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