• Vehicle sagging on one side
• Rough or uncomfortable ride
• Air suspension warning light on
• Faulty air suspension compressor
• Damaged wiring or connectors
• Faulty air suspension control module
Air Suspension: A type of vehicle suspension powered by an electric or engine-driven air pump or compressor.
Control Module: A device that controls various aspects of a vehicle's operation, such as the air suspension system.
• C0660
• C0661
This code means there's a problem with the car's air suspension system, which helps keep the car ride smooth and level. It's like when a bike tire loses air and makes the ride bumpy.
The C0662 code indicates an issue with the air suspension control system, specifically related to a circuit malfunction.
C0662 is a diagnostic trouble code (DTC) for 'Air Suspension Control Circuit Low'. This code is triggered when the control module detects a low voltage condition in the air suspension circuit, which could affect the vehicle's ability to maintain proper ride height and comfort.
• Inspect the air suspension compressor for damage.
• Check wiring and connectors for corrosion or damage.
• Test the air suspension control module for proper operation.
• Replace the air suspension compressor if faulty.
• Repair or replace damaged wiring or connectors.
• Replace the air suspension control module if necessary.
• Multimeter
• OBD-II scanner
• Basic hand tools
$300 - $800
Moderate
• Chevrolet Tahoe
• GMC Yukon
• Cadillac Escalade
• Regularly inspect air suspension components.
• Keep electrical connections clean and dry.
• Perform routine maintenance checks.
Suspension System Issue
• Avoid driving on rough roads until repaired.
• Get the vehicle inspected by a professional.
• Monitor for any changes in ride quality.
Check with the vehicle manufacturer for warranty coverage on suspension components.
This code has been associated with air suspension issues in vehicles with electronic ride control systems.
Moderate – It is advisable to address this issue soon to avoid further suspension damage.
Driving with a faulty suspension system can be unsafe and may lead to uneven tire wear.
• Vehicle parked on a level surface
• Ignition in the ON position
The air suspension compressor is typically located near the rear of the vehicle, often under the trunk or cargo area.
Q: Can I drive my car with a C0662 code?
A: It's not recommended as it may lead to further suspension damage and unsafe driving conditions.
Q: How can I reset the C0662 code?
A: Fix the underlying issue first, then use an OBD-II scanner to clear the code.
