B399A
Frontview Camera Supply Circuit
B399A is an OBD-II diagnostic trouble code meaning: Frontview Camera Supply Circuit. Common causes: open or short circuit in the power supply, camera control unit malfunction. Estimated repair cost: $56–167.
Symptoms
- Disabling driver assistance systems
- Error message on the dashboard
- Front camera malfunction
Causes
- Open or short circuit in the power supply
- Camera control unit malfunction
- Wiring Harness Problems
- Fuse failure
How to Fix
- Check the camera power fuse
- Inspect the wiring harness for damage
- Check the voltage at the camera connector
- If necessary, replace the camera or control unit
Related codes
Error B399A by Vehicle Brand
FAQ
What does the B399A code mean?
B399A is an OBD-II diagnostic trouble code that indicates: Frontview Camera Supply Circuit
What causes a B399A error code?
The most common causes of B399A include: Open or short circuit in the power supply; Camera control unit malfunction; Wiring Harness Problems; Fuse failure.
How do I fix a B399A diagnostic trouble code?
To fix B399A: Check the camera power fuse. Inspect the wiring harness for damage. Check the voltage at the camera connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B399A?
Limited driving only, diagnose soon
How much does it cost to fix B399A?
The estimated repair cost for B399A is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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