AutoCodes – Generic – C1846

C1846 Code - Air Suspension Front Inflator Solenoid Output Circuit Open

Quick Answer

The Air Suspension Control Module monitors the Air Suspension Front Inflator Solenoid. Common causes include Faulty Air Suspension Front Inflator Solenoid, Air Suspension Front Inflator Solenoid harness is open or shorted, Air Suspension Front Inflator 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: C1846 indicates Air Suspension Front Inflator Solenoid Output Circuit Open.
Common causes: Common causes include Faulty Air Suspension Front Inflator Solenoid, Air Suspension Front Inflator Solenoid harness is open or shorted, Air Suspension Front Inflator 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 3,687

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 C1846 Description

The Air Suspension Control Module monitors the Air Suspension Front Inflator Solenoid. The Air Suspension Disable Switch sets the OBDII code when the Air Suspension Front Inflator Solenoid is not to factory specifications.

OBDII Code C1846 - Air Suspension Front Inflator Solenoid Output Circuit Open - AutoCodes.com — C1846 Code - Air Suspension Front Inflator Solenoid Output Circuit Open

What does this mean?

What are the Possible Causes of the DTC C1846?

Faulty Air Suspension Front Inflator Solenoid
Air Suspension Front Inflator Solenoid harness is open or shorted
Air Suspension Front Inflator Solenoid circuit poor electrical connection
Faulty Air Suspension Control Module

How to Fix the DTC C1846?

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 C1846 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 C1846 code?

Need more information on how to fix the C1846 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1846 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1846 Ford — Air Suspension Front Inflator Solenoid Output Circuit Open
C1846 Lincoln — Air Suspension Front Inflator Solenoid Output Circuit Open
C1846 Mercury — Air Suspension Front Inflator Solenoid Output Circuit Open

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 C1846 Code

1. What are the common symptoms of OBDII code C1846 related to the Air Suspension Front Inflator Solenoid Output Circuit Open?

The common symptoms include a noticeable sagging or uneven ride height in the front of the vehicle, air suspension compressor running more frequently, and a warning light on the dashboard indicating an issue with the air suspension system.

2. What are some possible causes of OBDII code C1846 for the Air Suspension Front Inflator Solenoid Output Circuit Open?

Possible causes may include a damaged or corroded wiring harness, a faulty front inflator solenoid, poor electrical connections, or a failed air suspension control module.

3. How can I diagnose the issue related to OBDII code C1846 for the Air Suspension Front Inflator Solenoid Output Circuit Open?

Diagnosis typically involves using a diagnostic scan tool to retrieve the fault codes, inspecting the wiring harness for any visible damage, testing the front inflator solenoid for proper functionality, and checking the electrical connections for corrosion or looseness.

4. Can I still drive my vehicle with OBDII code C1846 indicating an Air Suspension Front Inflator Solenoid Output Circuit Open?

It is not recommended to drive the vehicle extensively with this issue, as it can lead to further damage to the air suspension system and compromise the vehicle's stability and ride comfort. It's best to address the problem promptly.

5. What are some repair tips for fixing OBDII code C1846 for the Air Suspension Front Inflator Solenoid Output Circuit Open?

Repair tips may include repairing or replacing damaged wiring harnesses, testing and replacing the front inflator solenoid if necessary, ensuring all electrical connections are secure, and clearing the fault code with a diagnostic tool after completing repairs.

6. Is it possible to reset OBDII code C1846 for the Air Suspension Front Inflator Solenoid Output Circuit Open without fixing the underlying issue?

While you can clear the fault code temporarily, it will likely reappear if the root cause of the problem is not addressed. It is essential to diagnose and repair the issue to prevent further complications with the air suspension system.

7. How much does it typically cost to repair OBDII code C1846 related to the Air Suspension Front Inflator Solenoid Output Circuit Open?

The cost of repair can vary depending on the specific cause of the issue, the extent of the repairs needed, and the labor rates of the service provider. It is advisable to consult with a professional mechanic for a more accurate estimate.

8. Can extreme weather conditions affect OBDII code C1846 for the Air Suspension Front Inflator Solenoid Output Circuit Open?

Extreme weather conditions, such as excessive heat or cold, can potentially exacerbate existing issues with the air suspension system, including the front inflator solenoid circuit. It's essential to address any concerns promptly, especially in harsh weather environments.

9. Is OBDII code C1846 related to the Air Suspension Front Inflator Solenoid Output Circuit Open a common issue in certain vehicle makes and models?

This specific OBDII code may be more prevalent in vehicles equipped with air suspension systems, particularly in luxury vehicles or SUVs that utilize such technology to enhance ride comfort and handling.

10. Can regular maintenance help prevent OBDII code C1846 for the Air Suspension Front Inflator Solenoid Output Circuit Open?

Regular maintenance, including checking the air suspension system for any signs of wear or damage, inspecting electrical connections, and addressing any issues promptly, can help prevent the occurrence of OBDII code C1846 and ensure the proper functioning of the air suspension system.