B0140Średni
Usterka obwodu sprzężenia zwrotnego czujnika położenia przepływu powietrza (strona pasażera) w systemie HVAC
Nadwozie
Sprawdź szczegóły →B0135
KrytycznyShort circuit in the left front seat belt pretensioner (P/T Squib) circuit. This code pertains to the SRS system and indicates an electrical problem in the circuit responsible for the correct operation of the pretensioner in a collision.
Code B0135 indicates a detected short circuit in the left front seat belt pretensioner circuit. This problem is related to the airbag system (SRS) and may cause the protective systems to disable. The cause is usually a damaged wiring harness, corroded connector, or faulty pretensioner – to avoid risk, we recommend diagnosis at a professional workshop.
Symptoms
Illumination of the SRS (airbag system) warning light on the dashboard. Possible deactivation of the airbag system and seat belt pretensioners. In some cases, the SRS system may be completely inoperative, leading to a lack of passenger protection during an accident.
Possible causes
Short circuit in the wiring harness leading to the left front pretensioner. Mechanical or internal damage to the pyrotechnic pretensioner (P/T Squib). Corrosion or damage to the electrical connector under the seat or in the sill. Moisture or contamination in the SRS control module (SRS ECU). Errors after repairs or modifications to the electrical installation near the pretensioner.
Affected systems
SRS (Supplemental Restraint System)Poduszki powietrzne (Airbags)Napinacze pasów bezpieczeństwa (Seat Belt Pretensioners)
Related codes
Code B0135 appears in these brands
Go to messages and symptoms for your brand — there we analyze this code together with other typical alerts.
Does code B0135 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.