AutoCodes – Ford – C1198 Ford

C1198 Ford Code - ABS Front Left Isolation Valve Circuit Failure

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the ABS Front Left Isolation Valve. Common causes include Faulty ABS Front Left Isolation Valve, ABS Front Left Isolation Valve harness is open or shorted, ABS Front Left 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: C1198 Ford indicates ABS Front Left Isolation Valve Circuit Failure.
Common causes: Common causes include Faulty ABS Front Left Isolation Valve, ABS Front Left Isolation Valve harness is open or shorted, ABS Front Left 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 8,642

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 20, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1198 Ford Description

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

OBDII Code C1198 Ford - ABS Front Left Isolation Valve Circuit Failure - AutoCodes.com — C1198 Ford Code - ABS Front Left Isolation Valve Circuit Failure

What does this mean?

What are the Possible Causes of the DTC C1198 Ford?

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

How to Fix the DTC C1198 Ford?

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 C1198 Ford 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 C1198 Ford code?

Need more information on how to fix the C1198 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1198 Ford 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 C1198 Ford Code

1. What are the common symptoms of OBDII code C1198 in a Ford vehicle?

The common symptoms of OBDII code C1198 in a Ford vehicle include the ABS warning light coming on, loss of traction control, and potential issues with the vehicle's braking system.

2. What can cause the ABS Front Left Isolation Valve Circuit Failure in a Ford vehicle?

The ABS Front Left Isolation Valve Circuit Failure (OBDII code C1198) in a Ford vehicle can be caused by a faulty isolation valve, damaged wiring or connectors, or a defective ABS control module.

3. How can I diagnose the ABS Front Left Isolation Valve Circuit Failure in my Ford vehicle?

Diagnosing OBDII code C1198 involves using a diagnostic scan tool to retrieve the trouble codes, inspecting the wiring and connectors for damage, and testing the isolation valve and ABS control module for proper functioning.

4. Can I still drive my Ford vehicle with OBDII code C1198 present?

It is not recommended to drive your Ford vehicle with OBDII code C1198 present, as it can affect the operation of the ABS system and compromise your vehicle's safety on the road.

5. How can I repair the ABS Front Left Isolation Valve Circuit Failure in my Ford vehicle?

Repairing OBDII code C1198 in a Ford vehicle may involve replacing the faulty isolation valve, repairing damaged wiring or connectors, or reprogramming the ABS control module.

6. Are there any DIY tips for troubleshooting OBDII code C1198 in a Ford vehicle?

While diagnosing and repairing OBDII code C1198 may require specialized tools and expertise, you can start by checking the fuses related to the ABS system and visually inspecting the wiring and connectors for any obvious issues.

7. Will resetting the OBDII codes make OBDII code C1198 go away in my Ford vehicle?

Resetting the OBDII codes may temporarily clear the warning lights associated with OBDII code C1198, but the underlying issue causing the fault will still need to be diagnosed and repaired to prevent the code from reoccurring.

8. Can extreme weather conditions cause OBDII code C1198 to trigger in a Ford vehicle?

Extreme weather conditions, such as excessive heat or moisture, can potentially cause electrical issues that may trigger OBDII code C1198 in a Ford vehicle. It is important to keep your vehicle well-maintained to prevent such issues.

9. How much does it typically cost to repair OBDII code C1198 in a Ford vehicle?

The cost to repair OBDII code C1198 in a Ford vehicle can vary depending on the specific cause of the issue, the extent of the damage, and labor costs. It is recommended to consult with a professional mechanic for an accurate estimate.

10. Can OBDII code C1198 be a recurring problem in Ford vehicles?

OBDII code C1198 can be a recurring problem in Ford vehicles if the root cause of the issue is not properly addressed during the initial repair. Regular maintenance and prompt attention to any warning lights can help prevent the code from reoccurring.