C1806 Nissan 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 Nissan 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.
Code C1806 Nissan Description
What are the Possible Causes of the DTC C1806 Nissan?
- 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 Nissan?
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 Nissan 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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Frequently Asked Questions about C1806 Nissan Code
1. What does the OBDII code C1806 mean on a Nissan?
Code C1806 indicates a malfunction in the air suspension vehicle height sensor, which monitors and adjusts the ride height.
2. What are common symptoms of code C1806 in a Nissan?
Symptoms include uneven vehicle height, a sagging suspension, warning lights on the dashboard, and impaired ride comfort.
3. What causes the C1806 code to appear?
Common causes include a faulty height sensor, damaged wiring or connectors, corrosion, or a malfunction in the air suspension control module.
4. Can I still drive my Nissan with the C1806 code?
Yes, but it’s not recommended as it may lead to further damage to the suspension system and affect ride quality and safety.
5. How do I diagnose the C1806 code on a Nissan?
Inspect the vehicle height sensor, check for damaged or corroded wiring, and use an OBDII scanner to confirm the code and related data.
6. How do I fix the C1806 code on a Nissan?
Repairs may include replacing the faulty height sensor, repairing damaged wiring, cleaning corroded connectors, or recalibrating the air suspension system.
7. What tools are needed to fix the C1806 code?
You’ll need an OBDII scanner, a multimeter for testing electrical connections, and basic hand tools for removing and replacing components.
8. How much does it cost to repair a C1806 code on a Nissan?
Repair costs vary but typically range from $150 to $500, depending on whether the sensor, wiring, or other components need replacement.
9. Can a C1806 code clear itself after repairs?
The code may clear automatically after successful repairs, but in some cases, you may need to use an OBDII scanner to manually clear it.
10. How can I prevent the C1806 code from recurring?
Regularly inspect the air suspension system, keep connectors free of corrosion, and address any suspension issues promptly to prevent further damage.
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