AutoCodes – Mercury – C1226 Mercury

C1226 Mercury Code - Red Brake Warning Light Failure

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Red Brake Warning Light. Common causes include Faulty Red Brake Warning Light, Red Brake Warning Light harness is open or shorted, Red Brake Warning Light 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
C1226 Mercury indicates Red Brake Warning Light Failure.
Common causes
Common causes include Faulty Red Brake Warning Light, Red Brake Warning Light harness is open or shorted, Red Brake Warning Light 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,124
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 27, 2020
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Code C1226 Mercury Description

The Anti-Lock Brake System (ABS) Module monitors the Red Brake Warning Light. The ABS Module sets the OBDII code when the Red Brake Warning Light is not to factory specifications.
OBDII Code C1226 Mercury - Red Brake Warning Light Failure - AutoCodes.com
C1226 Mercury Code - Red Brake Warning Light Failure

What are the Possible Causes of the DTC C1226 Mercury?

  • Faulty Red Brake Warning Light
  • Red Brake Warning Light harness is open or shorted
  • Red Brake Warning Light circuit poor electrical connection

How to Fix the DTC C1226 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 C1226 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.

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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 C1226 Mercury Code

1. What does the OBDII code C1226 mean on a Mercury vehicle?

C1226 indicates a Red Brake Warning Light Failure, suggesting an issue with the brake warning light circuit or related components.

2. What are the common symptoms of the C1226 code in a Mercury?

Symptoms include the red brake warning light not illuminating during startup, staying on while driving, or failing to warn of low brake fluid or braking issues.

3. What causes the C1226 Red Brake Warning Light Failure code?

Common causes include a malfunctioning brake fluid level sensor, faulty wiring or connectors, or a defective brake warning light bulb.

4. Can low brake fluid trigger the C1226 code on a Mercury?

Yes, low brake fluid can cause the red brake warning light to activate, but C1226 specifically points to a failure in the warning light circuit itself.

5. How do I diagnose the C1226 code on my Mercury?

Check the brake warning light bulb, inspect the wiring and connections for damage, and test the brake fluid level sensor for proper operation.

6. Can I drive with the C1226 code active in my Mercury?

It's not recommended, as the brake warning light may not function properly, potentially leaving you unaware of critical braking issues.

7. How is the C1226 code fixed on a Mercury?

Repairs may involve replacing the brake warning light bulb, repairing damaged wiring, or replacing a faulty brake fluid level sensor.

8. What tools are needed to troubleshoot the C1226 code?

You may need a multimeter to test wiring and sensors, and an OBDII scanner to confirm the code and ensure proper repairs.

9. Does the C1226 code always mean the brake light bulb is bad?

No, while a faulty bulb is a common cause, the issue could also stem from wiring, connectors, or the fluid level sensor.

10. How much does it cost to repair the C1226 code on a Mercury?

Costs vary, but replacing a brake warning light bulb is relatively inexpensive, while sensor or wiring repairs may cost more depending on labor.

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