Fault Code B0074
Code meaning, symptoms, possible causes, part number, and estimated cost.
B0074
Driver Pretensioner - Short to Battery/Power
This DTC indicates an electrical short to battery/power in the driver's side seat belt pretensioner circuit. This condition can cause unexpected pretensioner deployment or prevent activation during an accident, jeopardizing driver safety. 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
Wiring to the seat belt pretensioner on the driver's seat
Symptoms
- SRS/Airbag warning light on
- Unexpected pretensioner deployment (rare)
- DTC stored in ECU memory
- Safety system failure
Possible Causes
- 1Damaged wiring touching positive power source
- 2Internal short circuit within the pretensioner
- 3Connector damage
- 4Fluid intrusion
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