• Vehicle rides unevenly
• Suspension warning light on the dashboard
• Unusual noises from the suspension system
• Faulty suspension control module
• Damaged wiring or connectors in the suspension system
• Failed ride height sensor
Suspension: A system in a vehicle that absorbs shocks from the road surface.
Control Module: An electronic device that manages specific functions in a vehicle.
• C0660
• C0661
This code means there's a problem with the car's suspension system, which helps make the ride smooth. It's like when a bicycle's shock absorbers aren't working right, making the ride bumpy.
C0659 indicates a malfunction in the suspension control system, often related to the level control circuit.
The C0659 code is triggered when the suspension control module detects an issue with the level control circuit, which is responsible for maintaining the vehicle's ride height. This can be due to electrical or mechanical faults within the system.
• Perform a visual inspection of the suspension system components.
• Check for any damaged wiring or connectors.
• Use a diagnostic scanner to read any additional codes and data.
• Replace or repair damaged wiring or connectors.
• Replace the faulty suspension control module.
• Replace the ride height sensor if it's defective.
• OBD-II scanner
• Multimeter
• Basic hand tools
$200 - $600
Moderate
• Chevrolet Tahoe
• GMC Yukon
• Cadillac Escalade
• Regularly inspect suspension components for wear and tear.
• Ensure proper maintenance of the vehicle's electrical system.
• Avoid overloading the vehicle.
Suspension System Issue
• Have the suspension system inspected by a professional.
• Avoid driving on rough terrain until the issue is resolved.
Check with the vehicle manufacturer for warranty coverage on suspension components.
This code has been reported in vehicles with air suspension systems, particularly in older models.
Moderate – It should be addressed soon to avoid potential handling issues.
Driving with a malfunctioning suspension system can be dangerous and may lead to loss of vehicle control.
• Vehicle parked on a level surface
• Ignition in the 'ON' position
The suspension control module is typically located near the rear of the vehicle, close to the suspension components.
Q: What happens if I ignore the C0659 code?
A: Ignoring this code can lead to poor vehicle handling and increased wear on suspension components.
Q: Can I fix the C0659 code myself?
A: If you have experience with vehicle electronics and suspension systems, you might be able to fix it. Otherwise, it's best to consult a professional.