Lost Communication With Forward Camera Module
The U0284 code means the vehicle's onboard diagnostic system has detected: Lost Communication With Forward Camera Module. This is a moderate severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- hard
- Estimated cost
- $300 - $1,500 (parts and labor)
Network codes mean modules are not communicating. You need a scanner that reads all systems to find the problem.
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Common Symptoms
- Lane departure warning not working
- Lane keeping assist disabled
- Traffic sign recognition off
- Auto high beam not functioning
- Camera blocked warning displayed
Probable Causes (Ranked by Likelihood)
- Failed forward camera module Very High
- Windshield obstructing camera view High
- CAN bus wiring fault to camera Moderate
- Camera calibration lost after windshield replacement Low
Step-by-Step Diagnostic Procedure
-
Clean windshield in front of camera
-
Check for aftermarket windshield tint blocking camera
-
Scan camera module for codes
-
Recalibrate camera if windshield was replaced
Frequently Asked Questions
Can I drive with U0284?
Yes, but many driver assist features will not work. Drive more attentively.
What causes U0284?
Often a dirty windshield or camera needing recalibration after windshield replacement.
Does windshield replacement cause U0284?
Yes. The forward camera usually needs recalibration after windshield replacement.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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