Fault Code B0030
Code meaning, symptoms, possible causes, part number, and estimated cost.
B0030
Left Side Impact Sensor
This DTC indicates an issue with the left side impact sensor. This sensor is crucial for rapidly detecting a side collision and deploying the side airbags and seat belt pretensioners accordingly. A fault in it can prevent or disrupt airbag deployment. Immediate repair at a qualified garage is essential.
Part Details
Part Name
Left Side Impact Sensor
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪500 - ₪1500
Engine Location
Usually in the doors or B/C-pillar on the left side
Symptoms
- SRS/Airbag warning light on
- Side airbag system non-functional
- DTC stored in ECU memory
- External damage to the sensor
Possible Causes
- 1Internal sensor fault
- 2Damaged wiring or short circuit to sensor
- 3Physical damage to sensor (corrosion, impact)
- 4Water or moisture intrusion
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