AutoCodes – Infiniti – C1806 Infiniti

C1806 Infiniti Code - Air Suspension Vehicle Height Sensor Fix

Quick Answer

The Air Levelizer Control Module monitors the Vehicle Height Sensor. Common causes include Faulty Vehicle Height Sensor, Vehicle Height Sensor harness is open or shorted, Vehicle Height Sensor 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: C1806 Infiniti indicates Air Suspension Vehicle Height Sensor Fix.
Common causes: Common causes include Faulty Vehicle Height Sensor, Vehicle Height Sensor harness is open or shorted, Vehicle Height Sensor 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 967

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 C1806 Infiniti Description

The Air Levelizer Control Module monitors the Vehicle Height Sensor. The Air Levelizer Control Module sets the OBDII code when the Vehicle Height Sensor is not to factory specifications.

OBDII Code C1806 Infiniti - Air Suspension Vehicle Height Sensor Fix - AutoCodes.com — C1806 Infiniti Code - Air Suspension Vehicle Height Sensor Fix

What does this mean?

What are the Possible Causes of the DTC C1806 Infiniti?

Faulty Vehicle Height Sensor
Vehicle Height Sensor harness is open or shorted
Vehicle Height Sensor circuit poor electrical connection
Faulty Air Levelizer Control Module

How to Fix the DTC C1806 Infiniti?

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 C1806 Infiniti 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 C1806 Infiniti code?

Need more information on how to fix the C1806 Infiniti code? Get Access to Factory Service Manuals

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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 C1806 Infiniti Code

1. What are the common symptoms of OBDII code C1806 in an Infiniti related to the air suspension vehicle height sensor?

- The common symptoms include issues with the vehicle's ride height adjustment, uneven suspension, or a noticeable difference in the height of the vehicle between different sides.

2. What can cause OBDII code C1806 related to the air suspension vehicle height sensor in an Infiniti?

- The code C1806 can be triggered by a faulty height sensor, damaged wiring or connectors, or issues with the air suspension system itself.

3. How can I diagnose the cause of OBDII code C1806 in my Infiniti's air suspension system?

- To diagnose the issue, it's recommended to perform a visual inspection of the height sensor, check the wiring and connectors for any damage, and use an OBDII scanner to gather more specific diagnostic information.

4. Is it safe to drive my Infiniti with OBDII code C1806 related to the air suspension vehicle height sensor?

- It is not recommended to drive the vehicle with unresolved air suspension issues, as it can affect the vehicle's handling, stability, and overall safety.

5. Can I fix OBDII code C1806 related to the air suspension vehicle height sensor in my Infiniti on my own?

- Depending on your level of automotive experience, you may be able to fix the issue yourself by replacing the faulty height sensor, repairing damaged wiring, or addressing other related issues.

6. How much does it typically cost to repair OBDII code C1806 in an Infiniti's air suspension system?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve the cost of parts such as a new height sensor and potential labor charges if professional help is required.

7. Are there any temporary fixes or workarounds for OBDII code C1806 in an Infiniti until I can get it properly repaired?

- It's not recommended to apply temporary fixes to air suspension issues, as they can compromise the vehicle's safety and performance. It's best to address the problem promptly.

8. Will resetting the OBDII system clear code C1806 related to the air suspension vehicle height sensor in my Infiniti?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not fixed, the code is likely to reappear once the system detects the problem again.

9. How can I prevent OBDII code C1806 related to the air suspension vehicle height sensor from occurring in my Infiniti?

- Regular maintenance of the air suspension system, including checking the height sensor and related components, can help prevent issues that lead to code C1806.

10. Is it important to address OBDII code C1806 related to the air suspension vehicle height sensor promptly in my Infiniti?

- Yes, it is crucial to address the code promptly to ensure the proper functioning of the air suspension system and maintain the vehicle's safety and performance.