C0655 Code - Level Control Compressor Relay Malfunction
Quick Answer
The C0655 diagnostic trouble code indicates a malfunction in the level control compressor relay of the vehicle's suspension system. Common causes include Faulty level control compressor relay, Electrical issues such as wiring faults or corrosion, Poor connection between the relay and the compressor. 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 indicates Level Control Compressor Relay Malfunction.
- Common causes
- Common causes include Faulty level control compressor relay, Electrical issues such as wiring faults or corrosion, Poor connection between the relay and the compressor.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code C0655 Description
The C0655 diagnostic trouble code indicates a malfunction in the level control compressor relay of the vehicle's suspension system. The level control compressor is responsible for adjusting the vehicle's ride height and maintaining a smooth and stable ride. When the relay that controls this compressor malfunctions, it can lead to issues with the vehicle's suspension system, affecting the overall performance and comfort of the ride.
Common Causes of C0655
- Faulty level control compressor relay
- Electrical issues such as wiring faults or corrosion
- Poor connection between the relay and the compressor
- Mechanical failure within the compressor itself
- Water or debris entering the compressor relay
Symptoms of C0655
- Illuminated suspension warning light on the dashboard
- Abnormal or uneven ride height
- Rough or bumpy ride
- Difficulty maintaining control of the vehicle
- Unusual noises coming from the suspension system
How to Fix C0655
- Diagnose the issue by using a scan tool to read the trouble codes and inspecting the level control compressor relay for any visible damage.
- Test the relay's functionality by checking for power and ground signals, as well as continuity.
- Replace the faulty level control compressor relay if it fails the diagnostic tests.
- Check and repair any wiring or connection issues between the relay and the compressor.
- Test the suspension system to ensure that the issue has been resolved and reset the vehicle's computer to clear the trouble code.
Cost to Fix C0655
The cost of repairing a level control compressor relay malfunction can vary depending on the make and model of the vehicle, as well as the labor rates at the auto repair shop. On average, the parts for this repair can range from $50 to $200, while the labor costs can be between $100 to $300. It's recommended to get quotes from multiple repair shops to find the best price for the repair.
Need more information about the C0655 code?
Need more information on how to fix the C0655 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C0655 code diagnosed by a professional: Find a repair shop in your area
Code C0655 Information for Specific Makes
- C0655 Buick — Level Control Compressor Relay Malfunction
- C0655 Cadillac — Level Control Compressor Relay Malfunction
- C0655 Chevrolet — Level Control Compressor Relay Malfunction
- C0655 GMC — Level Control Compressor Relay Malfunction
Frequently Asked Questions about C0655 Code
1. What are the common symptoms of OBDII code C0655 (Level Control Compressor Relay Malfunction)?
- Common symptoms include the vehicle's suspension system not functioning properly, uneven ride height, and the compressor not engaging.
2. What are the common causes of OBDII code C0655?
- The common causes of this code include a faulty level control compressor relay, damaged wiring or connectors in the system, or issues with the compressor itself.
3. How can I diagnose the level control compressor relay malfunction?
- Diagnosing this issue typically involves using a scan tool to retrieve the OBDII code, checking the compressor relay for proper operation, and inspecting the wiring and connectors for any damage.
4. Can I still drive my vehicle with OBDII code C0655 present?
- It is not recommended to drive your vehicle with this code present, as it can affect the suspension system's performance and potentially lead to further damage.
5. How can I repair OBDII code C0655?
- Repairing this code usually involves replacing the faulty level control compressor relay, repairing any damaged wiring or connectors, and ensuring the compressor is functioning correctly.
6. Will resetting the OBDII code C0655 make it go away permanently?
- Resetting the code may temporarily clear it, but if the underlying issue causing the malfunction is not addressed, the code is likely to return.
7. Is it safe to continue driving if the compressor is not engaging due to OBDII code C0655?
- It is not safe to continue driving if the compressor is not engaging, as it can lead to problems with the vehicle's suspension system and impact its handling.
8. Can a DIY enthusiast repair OBDII code C0655 at home?
- Depending on your automotive repair skills and access to tools, you may be able to address this issue at home by replacing the level control compressor relay and checking the wiring.
9. How do I prevent OBDII code C0655 from occurring in the future?
- Regularly inspecting and maintaining your vehicle's suspension system, checking the compressor relay and wiring for any signs of wear, and addressing any issues promptly can help prevent this code from occurring.
10. Does OBDII code C0655 affect the vehicle's overall performance?
- While the code itself may not directly impact the vehicle's engine performance, it can affect the suspension system's operation, leading to a less comfortable ride and potential safety concerns.
Discuss the causes and fixes for C0655 OBDII Code
Code C0655 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.