AutoCodes – Chevrolet – C0655 Chevrolet

C0655 Chevrolet Code - Level Control Compressor Relay Malfunction

Quick Answer

The automatic level control adjusts the vehicle suspension ride height. Common causes include Faulty Level Control Compressor Relay, Level Control Compressor Relay harness is open or shorted, Level Control Compressor Relay 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: C0655 Chevrolet indicates Level Control Compressor Relay Malfunction.
Common causes: Common causes include Faulty Level Control Compressor Relay, Level Control Compressor Relay harness is open or shorted, Level Control Compressor Relay 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 1,313

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 Jul 31, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0655 Chevrolet Description

The automatic level control adjusts the vehicle suspension ride height. The Rear Integration Module (RIM) determines the height of the vehicle based on the voltage from the automatic level control sensor. The RIM grounds the compressor relay and the exhaust control solenoid to raise and lower the vehicle in order to keep the vehicle level

OBDII Code C0655 Chevrolet - Level Control Compressor Relay Malfunction - AutoCodes.com — C0655 Chevrolet Code - Level Control Compressor Relay Malfunction

What does this mean?

What are the Possible Causes of the DTC C0655 Chevrolet?

Faulty Level Control Compressor Relay
Level Control Compressor Relay harness is open or shorted
Level Control Compressor Relay circuit poor electrical connection

How to Fix the DTC C0655 Chevrolet?

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 C0655 Chevrolet 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 C0655 Chevrolet code?

Need more information on how to fix the C0655 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0655 Chevrolet 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 C0655 Chevrolet Code

1. What are the common symptoms of a C0655 Chevrolet OBDII code?

- Common symptoms include issues with the vehicle's suspension system, uneven ride height, and the compressor not activating as expected.

2. What can cause the C0655 Chevrolet OBDII code to trigger?

- The C0655 code is typically triggered by a malfunction in the level control compressor relay, which may be due to a faulty relay or wiring issue.

3. How can I diagnose the cause of a Level Control Compressor Relay Malfunction (C0655) code?

- Diagnosing the C0655 code involves checking the level control compressor relay, inspecting the wiring for any damage, and testing the compressor for proper functionality.

4. Can a DIY enthusiast repair a C0655 Chevrolet OBDII code?

- While diagnosing the issue may be possible for some DIY enthusiasts, repairing a C0655 code often requires specialized tools and knowledge, so it is recommended to consult a professional mechanic.

5. What are the potential risks of driving with a C0655 OBDII code?

- Driving with a C0655 code may result in an unstable ride, compromised suspension system performance, and potential damage to other components if left unresolved.

6. How expensive is it to repair a Level Control Compressor Relay Malfunction (C0655) code?

- The cost of repairing a C0655 code can vary depending on the underlying issue, but it typically involves replacing the faulty relay or repairing the wiring, which may range from moderate to high expenses.

7. Can I reset the C0655 Chevrolet OBDII code without fixing the issue?

- While clearing the code may temporarily turn off the check engine light, it is not recommended to reset the code without addressing the underlying problem as it may lead to recurring issues.

8. Are there any preventive maintenance tips to avoid the C0655 code in Chevrolet vehicles?

- Regularly inspecting the suspension system, checking the compressor relay, and addressing any unusual noises or performance issues promptly can help prevent the occurrence of a C0655 code.

9. Is the Level Control Compressor Relay Malfunction (C0655) code specific to certain Chevrolet models?

- The C0655 OBDII code may be specific to certain Chevrolet models equipped with a level control system, such as some SUVs and trucks.

10. How long does it typically take to repair a C0655 Chevrolet OBDII code?

- The repair time for a C0655 code can vary based on the extent of the issue and availability of parts, but it may take a few hours to a day for a professional mechanic to diagnose and fix the problem.