• Uneven ride height
• Suspension warning light on
• Rough or uncomfortable ride
• Faulty ride height sensor
• Damaged wiring or connectors
• Malfunctioning suspension control module
Suspension: The system in a vehicle that supports the weight and absorbs shocks from the road.
Ride Height Sensor: A device that measures the distance between the vehicle's body and its wheels.
• C0660
• C0661
This code means there's a problem with the car's suspension system, which helps keep the ride smooth and comfortable.
C0665 is a diagnostic trouble code for a suspension system issue.
The code C0665 indicates a malfunction in the suspension control system, often related to the level control system or ride height sensor circuit.
• Check the suspension control module for fault codes.
• Inspect the ride height sensor and its wiring.
• Test the suspension system components for proper operation.
• Replace the faulty ride height sensor.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the suspension control module if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Chevrolet Tahoe
• GMC Yukon
• Cadillac Escalade
• Regularly inspect suspension components.
• Ensure proper maintenance of the vehicle's suspension system.
• Address any suspension warning lights promptly.
Suspension System Issue
• Avoid driving on rough terrain until fixed.
• Have the suspension system checked by a professional.
• Monitor the ride quality and report any changes.
Check with your vehicle manufacturer for warranty coverage on suspension components.
This code has been associated with vehicles equipped with electronic suspension systems, particularly in SUVs and luxury vehicles.
Moderate – It's important to fix this to ensure a comfortable and safe ride.
Driving with a faulty suspension system can be dangerous and may lead to further vehicle damage.
• Vehicle parked on a level surface
• Ignition turned on
The ride height sensor is typically located near the vehicle's suspension system, often attached to the control arms or frame.
Q: What happens if I ignore this code?
A: Ignoring this code can lead to an uncomfortable ride and potentially unsafe driving conditions.
Q: Can I fix this myself?
A: If you're familiar with car repairs, you might be able to fix it, but it's often best handled by a professional.
