• Uneven ride height
• Poor handling
• Warning light on the dashboard
• Faulty level control sensor
• Damaged wiring or connectors
• Defective suspension control module
Suspension: A system of springs and shock absorbers that supports a vehicle's weight and provides a smooth ride.
Level Control Sensor: A sensor that monitors and adjusts the vehicle's ride height.
• C0655
• C0657
This code means there's a problem with a part of the car that helps keep it stable and smooth when driving over bumps.
C0656 indicates an issue with the suspension control system, specifically related to the level control sensor circuit.
The C0656 code is triggered when the suspension control module detects a malfunction in the level control sensor circuit, which is responsible for monitoring and adjusting the vehicle's ride height.
• Inspect the level control sensor and its wiring for damage.
• Check the connectors for corrosion or poor connections.
• Test the suspension control module for proper operation.
• Replace the faulty level control sensor.
• Repair or replace damaged wiring or connectors.
• 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.
• Keep electrical connectors clean and dry.
• Follow the vehicle's maintenance schedule.
Suspension System Issue
• Avoid driving on rough terrain until repaired.
• Have the suspension system inspected regularly.
• Consult a professional mechanic for diagnosis.
Check with your vehicle manufacturer for warranty coverage on suspension components.
C0656 has been a common issue in vehicles with electronically controlled suspension systems since the early 2000s.
Moderate – It's important to address this issue to maintain vehicle handling and safety.
Driving with a malfunctioning suspension system can affect vehicle stability and safety.
• Vehicle parked on a level surface
• Ignition in the ON position
The level control sensor is typically located near the vehicle's suspension components, often near the wheel wells.
Q: Can I drive with a C0656 code?
A: It's not recommended as it can affect vehicle handling and safety.
Q: How do I clear a C0656 code?
A: After repairs, use an OBD-II scanner to clear the code, but ensure the issue is resolved first.
