U18C3
Lost Communication With Video Processing Control Module On High Speed CAN Bus
U18C3 is an OBD-II diagnostic trouble code meaning: Lost Communication With Video Processing Control Module On High Speed CAN Bus. Common causes: video processing module malfunction, broken or damaged can bus wires. Estimated repair cost: $56–278.
Symptoms
- Rear view cameras don't work
- No image on the multimedia system screen
- Parking system error message
- Flashing fault indicator on the instrument panel
- Errors in other systems using the CAN bus
Causes
- Video processing module malfunction
- Broken or damaged CAN bus wires
- Poor contact in module connectors
- Module power problems
- Malfunction of other CAN network components
How to Fix
- Check the power and ground of the video processing module
- Inspect the module connectors and wiring harness
- Check the integrity of the CAN bus using a diagnostic scanner
- Flash or replace the video processing module if necessary
- Check for software updates
Related codes
FAQ
What does the U18C3 code mean?
U18C3 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Video Processing Control Module On High Speed CAN Bus
What causes a U18C3 error code?
The most common causes of U18C3 include: Video processing module malfunction; Broken or damaged CAN bus wires; Poor contact in module connectors; Module power problems.
How do I fix a U18C3 diagnostic trouble code?
To fix U18C3: Check the power and ground of the video processing module. Inspect the module connectors and wiring harness. Check the integrity of the CAN bus using a diagnostic scanner. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U18C3?
Yes, but get it checked soon
How much does it cost to fix U18C3?
The estimated repair cost for U18C3 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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