AutoCodes – Ford – C1918 Ford

C1918 Ford Code - Air Suspension Ride Height Select Switch Circuit Failure

Quick Answer

The Air Suspension Module monitors the Air Suspension Ride Height Select Switch. Common causes include Faulty Air Suspension Ride Height Select Switch, Air Suspension Ride Height Select Switch harness is open or shorted, Air Suspension Ride Height Select 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: C1918 Ford indicates Air Suspension Ride Height Select Switch Circuit Failure.
Common causes: Common causes include Faulty Air Suspension Ride Height Select Switch, Air Suspension Ride Height Select Switch harness is open or shorted, Air Suspension Ride Height Select 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 837

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 Dec 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1918 Ford Description

The Air Suspension Module monitors the Air Suspension Ride Height Select Switch. The Air Suspension Module sets the OBDII code when the Air Suspension Ride Height Select Switch is not to factory specifications.

OBDII Code C1918 Ford - Air Suspension Ride Height Select Switch Circuit Failure - AutoCodes.com — C1918 Ford Code - Air Suspension Ride Height Select Switch Circuit Failure

What does this mean?

What are the Possible Causes of the DTC C1918 Ford?

Faulty Air Suspension Ride Height Select Switch
Air Suspension Ride Height Select Switch harness is open or shorted
Air Suspension Ride Height Select Switch circuit poor electrical connection

How to Fix the DTC C1918 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 C1918 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 C1918 Ford code?

Need more information on how to fix the C1918 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1918 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 C1918 Ford Code

1. What are the common symptoms of OBDII code C1918 in a Ford vehicle?

The common symptoms of OBDII code C1918 include issues with the air suspension system, the ride height select switch not functioning properly, and potential warning lights illuminated on the dashboard.

2. What does the OBDII code C1918 Ford indicate?

OBDII code C1918 for Ford vehicles indicates a circuit failure related to the air suspension ride height select switch.

3. What are the possible causes of OBDII code C1918 in a Ford vehicle?

The possible causes of OBDII code C1918 in a Ford vehicle can include a faulty ride height select switch, damaged wiring or connectors in the circuit, or a malfunction within the air suspension system.

4. How can I diagnose the OBDII code C1918 Ford issue?

Diagnosing the OBDII code C1918 Ford issue involves using an OBDII scanner to retrieve the specific fault code, inspecting the ride height select switch and its connections, and checking the wiring for any signs of damage or corrosion.

5. Can I still drive my Ford vehicle with OBDII code C1918 present?

It is not recommended to drive your Ford vehicle with OBDII code C1918 present, as it can indicate a potential issue with the air suspension system that may affect driving performance and safety.

6. How can I repair OBDII code C1918 in my Ford vehicle?

Repairing OBDII code C1918 in a Ford vehicle typically involves replacing the faulty ride height select switch, repairing any damaged wiring or connectors, and clearing the fault code with an OBDII scanner.

7. Is it possible to reset OBDII code C1918 in a Ford vehicle without fixing the underlying issue?

While you can clear the OBDII code C1918 from your Ford vehicle using an OBDII scanner, it is crucial to address the underlying issue causing the fault code to prevent it from reoccurring.

8. Can a DIY enthusiast fix OBDII code C1918 in a Ford vehicle?

Depending on your level of automotive expertise, a DIY enthusiast may be able to fix OBDII code C1918 in a Ford vehicle by following repair guides, consulting forums, and using the necessary tools.

9. How much does it cost to repair OBDII code C1918 in a Ford vehicle at a mechanic?

The cost to repair OBDII code C1918 in a Ford vehicle at a mechanic can vary depending on the extent of the issue, the labor rates, and the cost of any replacement parts needed.

10. Are there any recalls or service bulletins related to OBDII code C1918 in Ford vehicles?

It is advisable to check with Ford dealerships or online resources for any recalls or service bulletins related to OBDII code C1918 in Ford vehicles, as manufacturers may provide assistance for known issues.