Fault Code B0127
Code meaning, symptoms, possible causes, part number, and estimated cost.
B0127
B0127 Driver Seat Belt Switch Circuit Open
This code indicates an open circuit in the driver's seat belt switch. This switch informs the system if the seat belt is buckled, which is important for safety system operation. The system may not warn about an unbuckled seat belt.
Part Details
Part Name
Driver Seat Belt Switch
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪300 - ₪800
Engine Location
Driver seat belt switch circuit
Symptoms
- Seat belt warning light inactive
- Seat belt chime inactive
- Airbag (SRS) warning light illuminated
- Warning message on dashboard
Possible Causes
- 1Faulty or disconnected wiring
- 2Loose connection
- 3Faulty seat belt switch
- 4Faulty airbag (SRS) control module
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