AutoCodes – Mercury – C1446 Mercury

C1446 Mercury Code - Park Brake Switch Circuit Failure

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Park Brake Switch. Common causes include Faulty Park Brake Switch, Park Brake Switch harness is open or shorted, Park Brake Switch 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: C1446 Mercury indicates Park Brake Switch Circuit Failure.
Common causes: Common causes include Faulty Park Brake Switch, Park Brake Switch harness is open or shorted, Park Brake Switch 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.

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Code Popularity 1,032

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Oct 02, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1446 Mercury Description

The Anti-Lock Brake System (ABS) Module monitors the Park Brake Switch. The ABS Module sets the OBDII code when the Park Brake Switch is not to factory specifications.

OBDII Code C1446 Mercury - Park Brake Switch Circuit Failure - AutoCodes.com — C1446 Mercury Code - Park Brake Switch Circuit Failure

What does this mean?

What are the Possible Causes of the DTC C1446 Mercury?

Faulty Park Brake Switch
Park Brake Switch harness is open or shorted
Park Brake Switch circuit poor electrical connection

How to Fix the DTC C1446 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 C1446 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 C1446 Mercury Code

1. What are the common symptoms of OBDII code C1446 (Mercury) Park Brake Switch Circuit Failure?

The common symptoms include the parking brake warning light staying illuminated on the dashboard and potential issues with engaging or disengaging the parking brake.

2. What can cause the OBDII code C1446 (Mercury) Park Brake Switch Circuit Failure?

The code can be triggered by a faulty park brake switch, damaged wiring in the circuit, or a failure in the electronic control module.

3. How can I diagnose the OBDII code C1446 (Mercury) Park Brake Switch Circuit Failure?

Diagnosing this code typically involves inspecting the park brake switch, checking the wiring for any damage, and using a diagnostic scanner to retrieve and clear the fault code.

4. Can I still drive my Mercury with the OBDII code C1446 (Park Brake Switch Circuit Failure) present?

It is generally not recommended to drive the vehicle with this code present as it can affect the functionality of the parking brake system. It is advisable to address the issue promptly.

5. How do I repair the OBDII code C1446 (Mercury) Park Brake Switch Circuit Failure?

Repairing this code may involve replacing the faulty park brake switch, repairing any damaged wiring in the circuit, or addressing any issues with the electronic control module.

6. Is it safe to manually release the parking brake if the OBDII code C1446 (Mercury) is triggered?

If the parking brake is stuck due to the code, it may be necessary to manually release it following the manufacturer's guidelines. However, it is recommended to address the underlying issue promptly.

7. How much does it typically cost to fix the OBDII code C1446 (Mercury) Park Brake Switch Circuit Failure?

The cost of fixing this code can vary depending on the specific cause of the issue, the extent of the repair needed, and labor rates. It is advisable to consult a professional mechanic for an accurate estimate.

8. Can a DIY enthusiast fix the OBDII code C1446 (Mercury) Park Brake Switch Circuit Failure?

While some DIY enthusiasts may have the skills to address this code, it is recommended to consult a professional mechanic for proper diagnosis and repair to ensure the issue is resolved correctly.

9. Will the OBDII code C1446 (Mercury) Park Brake Switch Circuit Failure reset on its own?

In some cases, the code may reset on its own after several drive cycles if the underlying issue is resolved. However, it is advisable to diagnose and repair the problem to prevent further issues.

10. How important is it to address the OBDII code C1446 (Mercury) Park Brake Switch Circuit Failure promptly?

It is essential to address this code promptly to ensure the proper functioning of the parking brake system, as driving with this issue unresolved can compromise safety and potentially lead to further damage.