Błąd układu poduszek powietrznych SRS – nieprawidłowość w pętli wyzwalacza bocznej poduszki powietrznej (lewa strona). Moduł sterowania układem biernego bezpieczeństwa wykrył usterkę w obwodzie elektrycznym squib lewej bocznej poduszki powietrznej.
B0240
KrytycznyPassenger Airbag Squib Circuit (Stage 1) – Low Resistance or Short Circuit. Fault in the SRS/airbag system module.
OBD-II (EN): Passenger Air Bag Squib Circuit (Stage 1) Low Resistance or Short to Ground
Code B0240 indicates a problem in the passenger airbag squib circuit – it could be a short circuit, damaged wires, or a faulty SRS module. This error directly affects the safety system's operation and requires urgent diagnosis. Due to the risks associated with the airbag system, we strongly recommend a visit to a qualified diagnostician.
Symptoms
SRS/Airbag warning light is on the dashboard; possible deactivation of the airbag system; no seatbelt reminder; in some vehicles, deactivation of the passenger airbag without apparent reason.
Possible causes
• Damage or chafing of the wiring harness leading to the passenger airbag squib • Short circuit in the SRS module circuit – moisture or corrosion in connectors • Faulty or defective airbag squib – airbag module replacement required • Faulty SRS control module (ACM/RCM) – internal short circuit • Incorrectly installed or loose connectors at the steering column or under the passenger seat
Affected systems
Related codes
Code B0240 appears in these brands
Go to messages and symptoms for your brand — there we analyze this code together with other typical alerts.
Does code B0240 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.
