AutoCodes – Mercury – C1207 Mercury

C1207 Mercury Code - ABS Rear Isolation Valve Circuit Open

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the ABS Rear Isolation Valve. Common causes include Faulty ABS Rear Isolation Valve, ABS Rear Isolation Valve harness is open or shorted, ABS Rear Isolation Valve 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: C1207 Mercury indicates ABS Rear Isolation Valve Circuit Open.
Common causes: Common causes include Faulty ABS Rear Isolation Valve, ABS Rear Isolation Valve harness is open or shorted, ABS Rear Isolation Valve 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 988

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 Aug 21, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1207 Mercury Description

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

OBDII Code C1207 Mercury - ABS Rear Isolation Valve Circuit Open - AutoCodes.com — C1207 Mercury Code - ABS Rear Isolation Valve Circuit Open

What does this mean?

What are the Possible Causes of the DTC C1207 Mercury?

Faulty ABS Rear Isolation Valve
ABS Rear Isolation Valve harness is open or shorted
ABS Rear Isolation Valve circuit poor electrical connection

How to Fix the DTC C1207 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 C1207 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 C1207 Mercury code?

Need more information on how to fix the C1207 Mercury code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1207 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 C1207 Mercury Code

1. What are the common symptoms of OBDII code C1207 (ABS Rear Isolation Valve Circuit Open) in a Mercury?

When this code is triggered, you may experience issues like loss of traction control, ABS system failure, illuminated ABS warning light, and potentially reduced braking performance.

2. What are the possible causes of OBDII code C1207 in a Mercury vehicle?

The main causes of code C1207 include a faulty rear isolation valve, damaged wiring or connectors in the ABS system, or a malfunctioning ABS control module.

3. How can I diagnose the ABS Rear Isolation Valve Circuit Open issue in my Mercury?

To diagnose this problem, a thorough inspection of the ABS system, including the rear isolation valve, wiring, and connectors, is necessary. Using a professional OBDII scanner can help pinpoint the exact cause of the circuit open fault.

4. Can I still drive my Mercury with OBDII code C1207 present?

It is not recommended to drive your vehicle with this code active, as it can compromise the safety and performance of your ABS system. Prompt diagnosis and repair are advised.

5. What are some repair tips for fixing OBDII code C1207 in a Mercury?

Repairing this issue may involve replacing the rear isolation valve, repairing damaged wiring or connectors, or resetting the ABS system. It is recommended to seek assistance from a qualified mechanic for proper diagnosis and repair.

6. Is it possible to reset the OBDII code C1207 in a Mercury without fixing the underlying issue?

While you may clear the code temporarily by resetting the system, the issue will likely reoccur if the root cause is not addressed. It is essential to fix the problem to ensure the safety and functionality of your ABS system.

7. How much does it typically cost to repair OBDII code C1207 in a Mercury?

The cost of repairing this code can vary depending on the exact cause of the issue, labor rates in your area, and the specific model of your Mercury. It is advisable to obtain quotes from different repair shops for an accurate estimate.

8. Can a DIY enthusiast fix OBDII code C1207 in a Mercury, or is professional help necessary?

While some basic troubleshooting steps can be taken by DIY enthusiasts, repairing OBDII code C1207 often requires specialized tools and expertise. It is recommended to consult a professional mechanic for proper diagnosis and repair.

9. Are there any preventive measures to avoid triggering OBDII code C1207 in a Mercury?

Regular maintenance of your ABS system, including checking for any signs of wear or damage, can help prevent issues like code C1207. Keeping an eye on warning lights and addressing any abnormalities promptly can also help avoid potential problems.

10. How long does it typically take to repair OBDII code C1207 in a Mercury?

The repair time for this code can vary based on the complexity of the issue and the availability of parts. Generally, it may take a few hours to a day to diagnose and fix the ABS Rear Isolation Valve Circuit Open problem in a Mercury.