Moduł sterowania nadwoziem (BCM) — usterka wewnętrzna
B0250
WysokiSRS Airbag System Error – abnormality in the side airbag squib loop (left side). The passive safety system control module has detected a fault in the electrical circuit of the left side airbag squib.
OBD-II (EN): Left Side Airbag Squib Circuit Malfunction
Code B0250 signals a fault in the electrical circuit of the left side airbag squib – this could mean a damaged wiring harness, corroded connector, or a defect in the inflator itself. With this fault, the SRS system may not function correctly during a collision, posing a serious safety risk. We recommend immediate diagnostics at an authorized service center or workshop with a professional SRS scanner.
Symptoms
SRS/airbag warning light on the dashboard (symbol of a person with an airbag). Possible deactivation of the entire airbag system or seatbelt pretensioner system. No response from the passive safety system in the event of a collision. Flashing or continuous SRS light. In some vehicles, a warning message on the driver information system display.
Possible causes
• Damage or open circuit in the wiring harness leading to the left side airbag squib • Corrosion or oxidation of the side airbag module electrical connector (door or B-pillar) • Short circuit to ground or battery positive in the squib circuit • Mechanically damaged side airbag squib (inflator) • Malfunction of the airbag system control module (RCM/SRSCM) • Incorrect connection or loose connector after previous body repair work on the vehicle
Affected systems
Related codes
Code B0250 appears in these brands
Go to messages and symptoms for your brand — there we analyze this code together with other typical alerts.
Does code B0250 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.
