What is the reason for the SRS light being on?

1 Answers
VanPeyton
08/31/25 2:57am
SRS light being on is caused by: 1. Foreign objects around the airbag sensor wiring harness; 2. ECU sensor data reporting errors; 3. The vehicle being parked in a humid environment for a long time or the wiring interface becoming damp during car washing. SRS refers to the Supplemental Restraint System (airbag). If the light is on, it indicates a fault in the airbag or seat belt pretensioner system. The SRS mainly consists of airbag sensors, collision airbags, and electronic control devices, working in conjunction with seat belts to provide effective collision protection for occupants. The driver-side collision airbag is installed in the steering wheel, while the passenger-side collision airbag is usually installed in the dashboard.
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