AutoCodes – Ford – C1850 Ford

C1850 Ford Code - Air Suspension Warning Lamp Circuit Failure

Quick Answer

The Air Suspension Control Module monitors the Air Suspension Warning Lamp. Common causes include Faulty Air Suspension Warning Lamp, Air Suspension Warning Lamp harness is open or shorted, Air Suspension Warning Lamp 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: C1850 Ford indicates Air Suspension Warning Lamp Circuit Failure.
Common causes: Common causes include Faulty Air Suspension Warning Lamp, Air Suspension Warning Lamp harness is open or shorted, Air Suspension Warning Lamp 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 820

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 Nov 30, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1850 Ford Description

The Air Suspension Control Module monitors the Air Suspension Warning Lamp. The Air Suspension Disable Switch sets the OBDII code when the Air Suspension Warning Lamp is not to factory specifications.

OBDII Code C1850 Ford - Air Suspension Warning Lamp Circuit Failure - AutoCodes.com — C1850 Ford Code - Air Suspension Warning Lamp Circuit Failure

What does this mean?

What are the Possible Causes of the DTC C1850 Ford?

Faulty Air Suspension Warning Lamp
Air Suspension Warning Lamp harness is open or shorted
Air Suspension Warning Lamp circuit poor electrical connection
Faulty Air Suspension Control Module

How to Fix the DTC C1850 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 C1850 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.

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Need more information on how to fix the C1850 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1850 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 C1850 Ford Code

1. What does the OBDII code C1850 mean on a Ford vehicle?

C1850 indicates an issue with the Air Suspension Warning Lamp Circuit, suggesting a failure in the connection or function of the system's warning light.

2. What are the common symptoms of code C1850 on a Ford?

Symptoms include the air suspension warning light staying on, suspension system not adjusting properly, or a noticeable change in ride height.

3. What causes the C1850 code to trigger?

The code is typically caused by a faulty warning lamp, a damaged wiring harness, a blown fuse, or a malfunction in the air suspension control module.

4. Can I still drive my Ford with a C1850 code?

While the vehicle may still be drivable, the air suspension system may not function correctly, leading to poor ride quality and potential handling issues.

5. How do I diagnose the cause of a C1850 code in my Ford?

Start by inspecting the wiring and connectors for the air suspension warning lamp. Check for blown fuses or test the warning lamp itself. If no issues are found, test the control module.

6. Is the C1850 code related to a specific Ford model?

No, this code can appear on various Ford models equipped with an air suspension system.

7. How do I fix the C1850 code on my Ford?

Repairs may include replacing the warning lamp, repairing or replacing damaged wiring, replacing a blown fuse, or reprogramming or replacing the air suspension control module.

8. Can a weak battery cause the C1850 code?

A weak or failing battery can lead to electrical issues in the vehicle, potentially triggering the C1850 code. Ensure the battery and charging system are functioning properly.

9. How much does it cost to fix a C1850 code in a Ford?

Repair costs vary depending on the root cause but can range from $50 for simple wiring repairs to over $500 if the control module needs replacement.

10. Can a DIYer fix the C1850 code on a Ford?

Yes, if the issue is simple, like a blown fuse or loose wiring. However, diagnosing and replacing components like the control module may require professional tools and expertise.