B1200
ŚredniFront lights circuit — malfunction
OBD-II (EN): Headlamp Circuit Malfunction
Code B1200 — Front lights circuit — malfunction. Symptoms: one or both front lights not working. Possible cause: blown bulb. Professional diagnosis recommended.
Symptoms
One or both front lights not working, dashboard warning light
Possible causes
Blown bulb, damaged wiring, blown fuse, connector corrosion, faulty ballast converter (xenon/LED)
Affected systems
NadwozieOświetlenie
Does code B1200 require professional diagnostics?
The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.