AutoCodes – Mercury – C1476 Mercury

C1476 Mercury Code - Brake System Pump Volume Feed Too Low Plausibility Failure

Quick Answer

The Hydraulic Control Unit (HCU) monitors the Brake System Pump. Common causes include Brake System Bleeding, Faulty Brake System Pump, Faulty Brake Master Cylinder. 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
C1476 Mercury indicates Brake System Pump Volume Feed Too Low Plausibility Failure.
Common causes
Common causes include Brake System Bleeding, Faulty Brake System Pump, Faulty Brake Master Cylinder.
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 659
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Oct 14, 2020
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Code C1476 Mercury Description

The Hydraulic Control Unit (HCU) monitors the Brake System Pump. The HCU sets the OBDII code when the Brake System Pump is not to factory specifications.
OBDII Code C1476 Mercury - Brake System Pump Volume Feed Too Low Plausibility Failure - AutoCodes.com
C1476 Mercury Code - Brake System Pump Volume Feed Too Low Plausibility Failure

What are the Possible Causes of the DTC C1476 Mercury?

  • Brake System Bleeding
  • Faulty Brake System Pump
  • Faulty Brake Master Cylinder
  • Faulty Hydraulic Control Unit (HCU)
  • Hydraulic Control Unit (HCU) harness is open or shorted
  • Hydraulic Control Unit (HCU) circuit poor electrical connection

How to Fix the DTC C1476 Mercury?

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 C1476 Mercury 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 C1476 Mercury code?

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Need Help with the Code?

Get the C1476 Mercury 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 C1476 Mercury Code

1. What are the common symptoms of OBDII code C1476 in a Mercury vehicle?

The common symptoms of OBDII code C1476 in a Mercury vehicle include illuminated brake warning light on the dashboard, decreased brake performance, and potential ABS system malfunctions.

2. What can cause the OBDII code C1476 in a Mercury vehicle?

The OBDII code C1476 in a Mercury vehicle is typically caused by issues such as low brake fluid levels, a faulty brake pump, damaged wiring, or a malfunctioning brake pressure sensor.

3. How serious is the OBDII code C1476 in a Mercury vehicle?

The OBDII code C1476 indicating a Brake System Pump Volume Feed Too Low Plausibility Failure is a serious issue that can affect the proper functioning of the vehicle's brake system. It is recommended to address this problem promptly to ensure safe driving conditions.

4. What are some possible repair tips for OBDII code C1476 in a Mercury vehicle?

Some repair tips for OBDII code C1476 in a Mercury vehicle may include checking and topping up brake fluid levels, inspecting the brake pump and pressure sensor for any damage, and ensuring all wiring connections are secure and free from corrosion.

5. Can I continue driving my Mercury with the OBDII code C1476 present?

It is not recommended to continue driving your Mercury with the OBDII code C1476 present, as it indicates a potential issue with the brake system that could compromise your safety on the road. It is advised to have the vehicle inspected and repaired as soon as possible.

6. How can I diagnose the OBDII code C1476 in my Mercury vehicle?

Diagnosing the OBDII code C1476 in your Mercury vehicle may require a professional diagnostic scan tool to retrieve the specific error codes and data related to the brake system. Additionally, a visual inspection of the brake components may help identify any visible issues.

7. Is it possible to reset the OBDII code C1476 in a Mercury vehicle?

Resetting the OBDII code C1476 in a Mercury vehicle may temporarily clear the error code, but it is important to address the underlying issue causing the fault code to prevent it from reoccurring. A professional repair and diagnostic service is recommended.

8. How much does it typically cost to repair the OBDII code C1476 in a Mercury vehicle?

The cost to repair the OBDII code C1476 in a Mercury vehicle can vary depending on the specific cause of the issue, parts needed for replacement, and labor costs. It is advisable to obtain estimates from reputable auto repair shops for an accurate cost assessment.

9. Can weather or driving conditions contribute to triggering the OBDII code C1476 in a Mercury vehicle?

Extreme weather conditions or driving situations that put additional stress on the brake system, such as towing heavy loads or frequent stop-and-go traffic, can potentially contribute to triggering the OBDII code C1476 in a Mercury vehicle. Regular maintenance and care of the brake system can help prevent such issues.

10. Will the OBDII code C1476 in a Mercury vehicle cause the vehicle to fail an emissions test?

The OBDII code C1476 related to a Brake System Pump Volume Feed Too Low Plausibility Failure is not typically related to emissions control systems, so it should not cause the vehicle to fail an emissions test. However, it is still important to address and resolve the issue for safe and reliable vehicle operation.

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