AutoCodesDodge – C1566 Dodge

C1566 Dodge Code - Left Rear Ride Height Level Performance

Quick Answer

The Air Suspension Control Module (ASCM) monitors the Ride Height Air Pump. Common causes include Air System Leak, Faulty Air Suspension Control Module (ASCM). 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
C1566 Dodge indicates Left Rear Ride Height Level Performance.
Common causes
Common causes include Air System Leak, Faulty Air Suspension Control Module (ASCM).
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 714
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 01, 2020
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Code C1566 Dodge Description

The Air Suspension Control Module (ASCM) monitors the Ride Height Air Pump. The ASCM sets the OBDII code when it detects the Air Spring Valve as been used for a time exceeding three minutes within the last ten minutes.
OBDII Code C1566 Dodge - Left Rear Ride Height Level Performance - AutoCodes.com
C1566 Dodge Code - Left Rear Ride Height Level Performance

What are the Possible Causes of the DTC C1566 Dodge?

  • Air System Leak
  • Faulty Air Suspension Control Module (ASCM)

How to Fix the DTC C1566 Dodge?

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 C1566 Dodge 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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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 C1566 Dodge Code

1. What does the OBDII code C1566 mean on a Dodge?

C1566 indicates an issue with the left rear ride height level performance, typically involving the air suspension system or ride height sensor.

2. What are common symptoms of code C1566 on a Dodge?

Symptoms may include an uneven ride height, a sagging rear suspension on the left side, poor handling, or a warning light on the dashboard.

3. What causes the C1566 code to appear on a Dodge?

Common causes include a faulty ride height sensor, damaged wiring or connectors, a malfunctioning air compressor, or an air leak in the suspension system.

4. Can I drive my Dodge with a C1566 code?

Driving with this code may result in compromised handling and comfort. It’s best to address the issue promptly to avoid further suspension damage.

5. How do I diagnose the C1566 code on my Dodge?

Start by inspecting the left rear ride height sensor, its wiring, and connectors. Use a scan tool to verify sensor readings and check for air leaks in the suspension.

6. How do I fix the C1566 code on a Dodge?

Repair or replace the left rear ride height sensor if faulty, repair damaged wiring, fix any air leaks, or replace the air compressor if necessary.

7. How much does it cost to repair a C1566 code on a Dodge?

The cost depends on the root cause. Ride height sensor replacement can range from $100 to $300, while air compressor repairs may cost $500 or more.

8. Can a bad air suspension compressor cause the C1566 code?

Yes, a malfunctioning air suspension compressor can prevent proper ride height adjustment, triggering the C1566 code.

9. Does the C1566 code always mean the ride height sensor is bad?

No, the issue could also stem from wiring problems, air leaks, or other suspension components.

10. Can I reset the C1566 code without repairs?

You can clear the code with a scan tool, but if the underlying issue isn’t resolved, the code will return.

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