C1479 Ford Code - Rear Left Wheel Brake Pressure Control Plausibility Failure
Quick Answer
The C1479 diagnostic trouble code (DTC) indicates a "Rear Left Wheel Brake Pressure Control Plausibility Failure" in Ford vehicles. Common causes include Faulty Brake Pressure Sensor: A malfunctioning sensor can provide incorrect readings to the ABS control module, triggering the code, ABS Control Module Failure: Issues within the ABS control module itself can lead to incorrect pressure control and system failures, Hydraulic System Leaks: Leaks in brake lines or calipers can cause a drop in pressure, leading to a plausibility failure. 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
- C1479 Ford indicates Rear Left Wheel Brake Pressure Control Plausibility Failure.
- Common causes
- Common causes include Faulty Brake Pressure Sensor: A malfunctioning sensor can provide incorrect readings to the ABS control module, triggering the code, ABS Control Module Failure: Issues within the ABS control module itself can lead to incorrect pressure control and system failures, Hydraulic System Leaks: Leaks in brake lines or calipers can cause a drop in pressure, leading to a plausibility failure.
- 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 C1479 Ford Description
The C1479 diagnostic trouble code (DTC) indicates a "Rear Left Wheel Brake Pressure Control Plausibility Failure" in Ford vehicles. This code is part of the vehicle's anti-lock braking system (ABS) and electronic stability control (ESC) systems, which monitor and control brake pressure to ensure optimal braking performance and vehicle stability. When the ABS control module detects a discrepancy between the expected brake pressure and the actual pressure at the rear left wheel, it triggers this code.
Common Causes of C1479 Ford
- Faulty Brake Pressure Sensor: A malfunctioning sensor can provide incorrect readings to the ABS control module, triggering the code.
- ABS Control Module Failure: Issues within the ABS control module itself can lead to incorrect pressure control and system failures.
- Hydraulic System Leaks: Leaks in brake lines or calipers can cause a drop in pressure, leading to a plausibility failure.
- Blocked Brake Lines: Obstructions in the brake lines can prevent proper fluid flow, resulting in inconsistent brake pressure.
- Worn Brake Components: Deterioration of brake pads, rotors, or calipers can affect the overall braking performance and pressure distribution.
Symptoms of C1479 Ford
- Uneven Braking: The vehicle may pull to one side when braking, indicating an imbalance in brake pressure.
- ABS Warning Light: The ABS warning light on the dashboard may illuminate, signaling a malfunction in the braking system.
- Increased Stopping Distance: The vehicle may take longer to stop than usual, which can be dangerous in emergency situations.
- Brake Pedal Pulsation: The brake pedal may pulsate or feel spongy when pressed, indicating irregular brake pressure.
- Noise from the Brake System: Unusual noises, such as grinding or squeaking, may occur when braking, suggesting potential issues with brake components.
How to Fix C1479 Ford
- Diagnostic Scan: Begin by using an OBD-II scanner to confirm the C1479 code and check for any additional codes that may provide further insight into the issue.
- Inspect Brake Components: Conduct a thorough visual inspection of the brake system, including brake lines, calipers, and pads, to identify any signs of wear or damage.
- Test Brake Pressure Sensor: Use a multimeter to test the brake pressure sensor for proper voltage and resistance readings. Replace if faulty.
- Check ABS Module: If the sensor is functioning correctly, test the ABS control module for faults. Reprogramming or replacement may be necessary.
- Repair or Replace Affected Components: Address any identified issues, such as repairing leaks, replacing worn components, or clearing blockages in the hydraulic system.
Cost to Fix C1479 Ford
The typical repair costs for addressing a C1479 code can range from $200 to $1,200, depending on the specific repairs needed. This estimate includes parts such as brake pressure sensors, ABS modules, or hydraulic components, as well as labor costs. Labor rates can vary significantly based on location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour; however, rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's advisable to check local rates for a more precise estimate and to obtain quotes from multiple repair facilities to ensure a fair price.
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Frequently Asked Questions about C1479 Ford Code
1. What are the common symptoms of OBDII code C1479 in a Ford vehicle?
The common symptoms include the ABS warning light illuminating on the dashboard, reduced braking performance, and potential issues with the rear left wheel brake system.
2. What does the OBDII code C1479 "Rear Left Wheel Brake Pressure Control Plausibility Failure" in a Ford indicate?
This code indicates a problem with the brake pressure control system in the rear left wheel of the vehicle, specifically a plausibility failure in the control system.
3. What are some possible causes of OBDII code C1479 in a Ford?
Possible causes can include a malfunctioning brake pressure sensor, faulty wiring or connectors in the brake system, issues with the brake control module, or hydraulic system problems.
4. How can I diagnose the OBDII code C1479 in my Ford vehicle?
Diagnosis typically involves using a professional OBDII scanner to read the code, as well as conducting a visual inspection of the brake system components and checking for any obvious signs of damage or wear.
5. What are the repair options for OBDII code C1479 in a Ford?
Repair options may include replacing the brake pressure sensor, repairing or replacing damaged wiring or connectors, resetting the brake control module, or addressing any hydraulic system issues.
6. Can I continue driving my Ford vehicle with OBDII code C1479 present?
It is not recommended to continue driving the vehicle with this code present, as it can lead to potential safety hazards due to compromised brake performance in the rear left wheel.
7. How much does it typically cost to repair OBDII code C1479 in a Ford?
The cost of repairs can vary depending on the specific cause of the issue and the labor rates in your area. It is advisable to consult a professional mechanic for an accurate estimate.
8. Are there any DIY tips for troubleshooting OBDII code C1479 in a Ford?
While some basic inspections and visual checks can be done by DIY enthusiasts, diagnosing and repairing this code often require specialized tools and expertise. It is recommended to seek professional help for accurate diagnosis and repairs.
9. How urgent is it to address OBDII code C1479 in a Ford?
It is important to address this code promptly to ensure the safe operation of your vehicle. Ignoring brake-related issues can lead to further damage and compromise the overall safety of the vehicle.
10. Can OBDII code C1479 be a recurring issue in a Ford vehicle?
If the underlying cause of the code is not properly addressed during repairs, it is possible for OBDII code C1479 to recur. Thorough diagnosis and quality repairs are essential to prevent the issue from coming back.
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