AutoCodes – Ford – C0018 Ford

C0018 Ford Code - Left Rear Inlet Control

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Left Rear Inlet Solenoid. Common causes include Faulty Left Rear Inlet Solenoid, Left Rear Inlet Solenoid harness is open or shorted, Left Rear Inlet Solenoid 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
C0018 Ford indicates Left Rear Inlet Control.
Common causes
Common causes include Faulty Left Rear Inlet Solenoid, Left Rear Inlet Solenoid harness is open or shorted, Left Rear Inlet Solenoid 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 2,265
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 03, 2020
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Code C0018 Ford Description

The Anti-Lock Brake System (ABS) Module monitors the Left Rear Inlet Solenoid. The ABS Module sets the OBDII code when the Left Rear Inlet Solenoid is not to factory specifications.
OBDII Code C0018 Ford - Left Rear Inlet Control - AutoCodes.com
C0018 Ford Code - Left Rear Inlet Control

What are the Possible Causes of the DTC C0018 Ford?

  • Faulty Left Rear Inlet Solenoid
  • Left Rear Inlet Solenoid harness is open or shorted
  • Left Rear Inlet Solenoid circuit poor electrical connection

How to Fix the DTC C0018 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 C0018 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 C0018 Ford code?

Need more information on how to fix the C0018 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0018 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 C0018 Ford Code

1. What are the common symptoms of OBDII code C0018 Ford (Left Rear Inlet Control)?

The common symptoms include the ABS warning light illuminating on the dashboard, potential loss of ABS functionality, and abnormal braking behavior.

2. What are some possible causes of OBDII code C0018 Ford (Left Rear Inlet Control)?

Possible causes include a faulty wheel speed sensor, damaged wiring or connectors, issues with the ABS module, or problems with the hydraulic control unit.

3. How can I diagnose OBDII code C0018 Ford (Left Rear Inlet Control)?

Diagnosis typically involves using a professional OBDII scanner to read the fault codes, performing a visual inspection of the wheel speed sensor and related components, and testing the sensor's electrical connections.

4. Can I still drive my vehicle with OBDII code C0018 Ford (Left Rear Inlet Control) active?

It is not recommended to drive the vehicle with this code active, as it may affect the ABS system's performance and compromise your safety while braking.

5. What are some repair tips for fixing OBDII code C0018 Ford (Left Rear Inlet Control)?

Repair tips may include checking and repairing damaged wiring, replacing the faulty wheel speed sensor, ensuring proper connections, and resetting the ABS system after repairs are made.

6. How much does it cost to fix OBDII code C0018 Ford (Left Rear Inlet Control)?

The cost of fixing this code can vary depending on the specific issue causing it, but it may range from $100 to $500 for parts and labor.

7. Can OBDII code C0018 Ford (Left Rear Inlet Control) be reset without fixing the underlying issue?

While you can clear the code temporarily, it will likely reappear if the root cause of the problem is not addressed.

8. Is OBDII code C0018 Ford (Left Rear Inlet Control) a serious issue?

Yes, this code indicates a problem with the ABS system, which is a crucial safety feature in your vehicle. It is essential to address this issue promptly.

9. How long does it typically take to repair OBDII code C0018 Ford (Left Rear Inlet Control)?

The repair time can vary depending on the specific cause of the code and the complexity of the repair, but it may take anywhere from 1 to 3 hours to fix.

10. Can I prevent OBDII code C0018 Ford (Left Rear Inlet Control) from occurring?

Regular maintenance and inspections of your vehicle's ABS system can help prevent issues that may trigger this code.

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