U18C0
Lost Communication With Suspension Control Module On High Speed CAN Bus
U18C0 is an OBD-II diagnostic trouble code meaning: Lost Communication With Suspension Control Module On High Speed CAN Bus. Common causes: broken or damaged can bus wires, suspension control module malfunction. Estimated repair cost: $56–222.
Symptoms
- Check Engine Light Is On
- Adaptive suspension functions do not work
- Error message on the dashboard
- Deterioration in smoothness
- Problems with other systems using the CAN bus
Causes
- Broken or damaged CAN bus wires
- Suspension control module malfunction
- Problems with power supply to the suspension module
- Corrosion or poor contact in connectors
- Software error in suspension module
How to Fix
- Check the integrity of the CAN bus wiring and connectors
- Check power supply and grounding of suspension module
- Scan the suspension module for errors
- If necessary, replace the suspension control module
- Update suspension module software
Related codes
FAQ
What does the U18C0 code mean?
U18C0 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Suspension Control Module On High Speed CAN Bus
What causes a U18C0 error code?
The most common causes of U18C0 include: Broken or damaged CAN bus wires; Suspension control module malfunction; Problems with power supply to the suspension module; Corrosion or poor contact in connectors.
How do I fix a U18C0 diagnostic trouble code?
To fix U18C0: Check the integrity of the CAN bus wiring and connectors. Check power supply and grounding of suspension module. Scan the suspension module for errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U18C0?
Limited driving only, diagnose soon
How much does it cost to fix U18C0?
The estimated repair cost for U18C0 is $56–222. Actual cost depends on your vehicle, location, and labor rates.
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