C279A Code - Invalid Brake Pressure Transducer Pressure Input Received
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
- C279A indicates Invalid Brake Pressure Transducer Pressure Input Received.
- 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 C279A Description
What are the Possible Causes of the DTC C279A?
- 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 C279A?
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 C279A 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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Information for Specific Makes
- C279A Ford — Invalid Brake Pressure Transducer Pressure Input Received
- C279A Lincoln — Invalid Brake Pressure Transducer Pressure Input Received
- C279A Mercury — Invalid Brake Pressure Transducer Pressure Input Received
Frequently Asked Questions about C279A Code
1. What are the common symptoms of OBDII code C279A - Invalid Brake Pressure Transducer Pressure Input Received?
The common symptoms include the ABS warning light illuminating on the dashboard, loss of ABS functionality, and potential issues with the brake system's performance.
2. What are the possible causes of OBDII code C279A?
Possible causes of this code include a faulty brake pressure transducer, damaged wiring or connectors in the brake pressure transducer circuit, or issues with the ABS control module.
3. How can I diagnose the source of OBDII code C279A?
Diagnosing the issue typically involves inspecting the brake pressure transducer and its wiring for any signs of damage, checking the connectors for proper connection, and using a scan tool to read live data from the ABS system.
4. Can I continue driving my vehicle with OBDII code C279A?
It is not recommended to drive the vehicle with this code present, as it can affect the proper functioning of the ABS system, potentially compromising the vehicle's safety.
5. How can I repair OBDII code C279A?
Repairing this code may involve replacing the faulty brake pressure transducer, repairing any damaged wiring or connectors, or recalibrating the ABS system using a diagnostic tool.
6. Is it possible to reset OBDII code C279A without fixing the underlying issue?
While clearing the code may temporarily turn off the warning light, it is crucial to address the root cause of the problem to prevent it from reoccurring and ensure the proper functioning of the ABS system.
7. Are there any DIY tips for fixing OBDII code C279A?
DIY tips may include visually inspecting the brake pressure transducer and its connections, checking for any visible damage, and ensuring proper seating of the connectors before seeking professional assistance if needed.
8. How much does it typically cost to fix OBDII code C279A?
The cost of fixing this code can vary depending on the specific cause of the issue, the extent of repairs needed, and labor rates in your area. It is recommended to consult a mechanic for a more accurate estimate.
9. Can OBDII code C279A be related to other brake system issues?
While this code specifically points to an issue with the brake pressure transducer, it is possible for related problems to affect the overall performance of the brake system. Regular maintenance and inspections are recommended to ensure optimal brake performance.
10. Will OBDII code C279A cause my vehicle to fail an emissions test?
This code is related to the ABS system and is unlikely to cause your vehicle to fail an emissions test. However, it is still important to address the issue for safety and performance reasons.
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