C2804 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 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.
Code C2804 Description
What are the Possible Causes of the DTC C2804?
- 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?
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 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 code?
Need more information on how to fix the C2804 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C2804 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- C2804 Ford — Brake Pressure Transducer Ground Circuit Open
- C2804 Lincoln — Brake Pressure Transducer Ground Circuit Open
- C2804 Mercury — Brake Pressure Transducer Ground Circuit Open
Frequently Asked Questions about C2804 Code
1. What are the common symptoms of OBDII code C2804 (Brake Pressure Transducer Ground Circuit Open)?
- Common symptoms include the illumination of the ABS warning light on the dashboard, loss of ABS functionality, and potential issues with brake performance.
2. What could cause the Brake Pressure Transducer Ground Circuit Open fault code (C2804)?
- Possible causes of this code include damaged wiring or connectors in the brake pressure transducer circuit, a faulty brake pressure transducer, or a problem with the ABS module.
3. How can I diagnose the Brake Pressure Transducer Ground Circuit Open issue (C2804)?
- Diagnosing this problem typically involves using a scan tool to read the OBDII code, inspecting the wiring and connectors in the brake pressure transducer circuit, and testing the brake pressure transducer itself.
4. Can I continue driving my vehicle with the C2804 fault code?
- It is not recommended to drive with the C2804 code present, as it may affect the proper functioning of the ABS system, potentially compromising your safety.
5. How can I repair the Brake Pressure Transducer Ground Circuit Open fault (C2804)?
- Repairing this issue usually involves addressing the specific cause, such as repairing or replacing damaged wiring, connectors, or the brake pressure transducer itself.
6. Is it possible to reset the C2804 code without fixing the underlying issue?
- While clearing the code with a scan tool may temporarily turn off the warning light, the issue causing the code will likely persist and trigger the code again until properly addressed.
7. Are there any DIY repair tips for fixing the C2804 fault code?
- DIY repair tips may include carefully inspecting the wiring and connectors for damage, ensuring all connections are secure, and following the manufacturer's diagnostic procedures.
8. How much does it typically cost to repair the Brake Pressure Transducer Ground Circuit Open issue (C2804)?
- The cost of repair can vary depending on the specific cause of the code, but it may involve the cost of parts such as wiring, connectors, or a new brake pressure transducer, as well as labor charges if done by a professional mechanic.
9. Can a faulty ABS module cause the C2804 fault code to appear?
- Yes, a malfunctioning ABS module can potentially cause issues in the brake pressure transducer circuit, leading to the C2804 code being triggered.
10. Are there any safety implications of driving with the C2804 code unresolved?
- Driving with the C2804 code unresolved can compromise the effectiveness of the ABS system, potentially affecting the vehicle's ability to brake safely in certain situations.
Discuss the causes and fixes for C2804 OBDII Code
Code C2804 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
