Fault Code B0070
Code meaning, symptoms, possible causes, part number, and estimated cost.
B0070
Driver Pretensioner - Circuit Open
This DTC indicates an open circuit (disconnection) in the driver's side seat belt pretensioner. This condition will prevent the pretensioner from activating during an accident, significantly compromising driver protection. Immediate repair at a qualified garage is essential.
Part Details
Part Name
Seat Belt Pretensioner - Driver Side
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪600 - ₪1800
Engine Location
Seat belt buckle or reel on the driver's seat
Symptoms
- SRS/Airbag warning light on
- Seat belt feels looser than usual
- DTC stored in ECU memory
- Safety system failure
Possible Causes
- 1Disconnected or loose connector
- 2Torn or broken wiring to the pretensioner
- 3Internal pretensioner fault causing open circuit
- 4Corrosion at connection points
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