Obwód zewnętrznego oświetlenia — usterka
B0120
WysokiFault B0120: Problem with the airbag (SRS) sensor or circuit.
OBD-II (EN): Driver Side Air Bag Sensor Circuit Fault
Is the airbag warning light on in your car? Code B0120 may indicate problems with the impact sensor or SRS system wiring. It's worth checking the condition of the electrical connections to ensure passenger safety.
Symptoms
• Illuminated SRS/Airbag warning light on the dashboard • Deactivation of the airbag system • Possible faults in the seat belt system
Possible causes
• Faulty impact sensor • Broken or shorted wiring harness • Loose or corroded connectors in the SRS system • Malfunction of the airbag control module (SDM)
Affected systems
Related codes
System poduszek powietrznych — usterka ogólna
Code B0120 appears in these brands
Go to messages and symptoms for your brand — there we analyze this code together with other typical alerts.
Does code B0120 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.
