Obwód czujnika drzwi — sygnał poza zakresem, przerwa lub zwarcie. Kod dotyczy mikrowyłącznika informującego moduł BCM o stanie otwarcia/zamknięcia drzwi, bagażnika lub maski.
B1210
KrytycznyDamage to the EIC-2 Switch Assembly Circuit (Open Circuit). The code concerns a malfunction in the airbag control module or related passive safety system.
OBD-II (EN): EIC-2 Switch Assembly Circuit Open
Code B1210 signals an open circuit in the EIC-2 switch, which is a component of the airbag system (SRS). This fault may prevent the airbags from deploying correctly in a collision, posing a serious safety risk. Due to the critical nature of the problem, immediate diagnosis at a specialist automotive workshop is recommended.
Symptoms
- Airbag warning light (SRS/Airbag) illuminated on the dashboard - Service message indicating the need for safety system inspection - Inability to deploy airbags in the event of a collision - Possible deactivation of other passive safety system components (seatbelt pretensioners)
Possible causes
- Damaged or open EIC-2 switch circuit (broken wire, connector corrosion) - Faulty airbag control module (ACM/SRS ECU) - Damaged electrical connector or wiring harness in the steering wheel/steering column area - Failure of the EIC-2 switch assembly itself (mechanical component damage) - Short or open circuit caused by moisture or mechanical damage
Affected systems
Related codes
Obwód świateł przednich — usterka
Usterka jednostki diagnostycznej czujnika układu SRS (poduszki powietrzne). Kod wskazuje na nieprawidłowe działanie modułu sterującego układem powietrznych poduszek bezpieczeństwa.
System poduszek powietrznych — usterka ogólna
Code B1210 appears in these brands
Go to messages and symptoms for your brand — there we analyze this code together with other typical alerts.
Does code B1210 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.
