• Uneven ride height
• Bumpy ride
• Suspension warning light on the dashboard
• Faulty level control sensor
• Damaged wiring or connectors
• Malfunctioning suspension control module
Suspension: A system of springs and shock absorbers that supports a vehicle.
Actuator: A component that moves or controls a mechanism or system.
• C0629
• C0630
This code means there's a problem with the car's suspension system, which helps make the ride smooth. It's like if your bicycle's shock absorbers aren't working well, making the ride bumpy.
C0628 indicates an issue with the level control system in the vehicle's suspension.
The C0628 code is triggered when the suspension control module detects a malfunction in the level control system, which could be due to a faulty sensor or actuator within the suspension system.
• Inspect the level control sensor for damage.
• Check the wiring and connectors for any signs of wear or corrosion.
• Test the suspension control module for proper operation.
• Replace the faulty level control sensor.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the suspension control module if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$200 - $600
Moderate
• Chevrolet Tahoe
• GMC Yukon
• Cadillac Escalade
• Regularly inspect suspension components.
• Keep the vehicle's undercarriage clean to prevent corrosion.
• Schedule routine maintenance checks.
Suspension System Issue
• Avoid driving on rough terrain until repaired.
• Seek professional diagnosis if unsure.
• Monitor for changes in vehicle handling.
Check with your vehicle manufacturer; suspension components may be covered under warranty.
This code has been associated with vehicles that have air suspension systems, particularly in models from the early 2000s.
Moderate – While the vehicle can still be driven, the ride quality may be compromised.
Driving with a malfunctioning suspension system can affect vehicle handling and safety. Address the issue promptly.
• Vehicle must be on a flat surface.
• Ensure the vehicle is in park and the engine is off.
The level control sensor is typically located near the suspension struts or air springs.
Q: Can I drive with a C0628 code?
A: Yes, but the ride may be uncomfortable, and it's best to fix it soon.
Q: How do I reset the suspension warning light?
A: Fix the underlying issue first, then use an OBD-II scanner to clear the code.
