AutoCodesMercury – C1827 Mercury

C1827 Mercury Code - Electronic Parking Brake Switch Defective

Quick Answer

The Parking Brake Module monitors the Electronic Parking Brake Switch. Common causes include Faulty Electronic Parking Brake Switch, Electronic Parking Brake Switch harness is open or shorted, Electronic Parking 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
C1827 Mercury indicates Electronic Parking Brake Switch Defective.
Common causes
Common causes include Faulty Electronic Parking Brake Switch, Electronic Parking Brake Switch harness is open or shorted, Electronic Parking 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 655
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 30, 2020
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Code C1827 Mercury Description

The Parking Brake Module monitors the Electronic Parking Brake Switch. The Parking Brake Module sets the OBDII code when the Electronic Parking Brake Switch is not to factory specifications.
OBDII Code C1827 Mercury - Electronic Parking Brake Switch Defective - AutoCodes.com
C1827 Mercury Code - Electronic Parking Brake Switch Defective

What are the Possible Causes of the DTC C1827 Mercury?

  • Faulty Electronic Parking Brake Switch
  • Electronic Parking Brake Switch harness is open or shorted
  • Electronic Parking Brake Switch circuit poor electrical connection
  • Faulty Parking Brake Module

How to Fix the DTC C1827 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 C1827 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 C1827 Mercury Code

1. What does the OBDII code C1827 mean for a Mercury vehicle?

Code C1827 indicates that the Electronic Parking Brake (EPB) switch is defective or not functioning correctly.

2. What are the common symptoms of C1827 in a Mercury?

Symptoms include the parking brake not engaging or releasing, a warning light on the dashboard, and possible error messages related to the EPB.

3. What causes the C1827 code in Mercury vehicles?

Common causes include a faulty EPB switch, damaged wiring or connectors, or an issue with the EPB module.

4. How can I diagnose the C1827 code on a Mercury?

Start by scanning for codes with an OBDII scanner, inspecting the EPB switch for physical damage, and checking the wiring and connectors for corrosion or disconnection.

5. Can I still drive my Mercury with the C1827 code active?

Driving with this code may be possible, but it’s not recommended as the parking brake system may not function properly, posing a safety risk.

6. How do I fix the C1827 code on a Mercury?

Repairs may include replacing the defective EPB switch, repairing or replacing damaged wiring, or recalibrating the EPB system with a diagnostic tool.

7. How much does it cost to repair a C1827 code on a Mercury?

Repair costs can vary but typically range from $100 to $300, depending on whether the EPB switch or other components need replacement.

8. Can a blown fuse cause the C1827 code in a Mercury?

Yes, a blown fuse in the EPB circuit could trigger the code, so checking the fuse box is a good step in the diagnostic process.

9. Does the C1827 code require professional repair?

While some issues, like replacing a fuse or inspecting wiring, can be handled by DIYers, more complex repairs or recalibrations may require a professional mechanic.

10. Will clearing the C1827 code with a scanner fix the problem?

Clearing the code without addressing the underlying issue will only temporarily remove the alert, and the code will likely return.

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