B0072
Passenger Seat Belt Pretensioner A Deployment Control
B0072 is an OBD-II diagnostic trouble code meaning: Passenger Seat Belt Pretensioner A Deployment Control. Common causes: open or short circuit in the pretensioner circuit, malfunction of the pretensioner itself. Estimated repair cost: $56–167.
Symptoms
- Airbag light is on
- Seat belt does not tighten when braking hard
- Error B0072 in the diagnostic scanner memory
Causes
- Open or short circuit in the pretensioner circuit
- Malfunction of the pretensioner itself
- Problems with the airbag control module
- Wiring harness damage
- Contact corrosion
How to Fix
- Carry out diagnostics using an OBD-II scanner
- Check the integrity of the pretensioner chain
- Inspect contacts and connectors for corrosion
- Check pretensioner resistance
- If necessary, replace the pretensioner or wiring harness.
- Reset the error and check the system operation
Related codes
Error B0072 by Vehicle Brand
FAQ
What does the B0072 code mean?
B0072 is an OBD-II diagnostic trouble code that indicates: Passenger Seat Belt Pretensioner A Deployment Control
What causes a B0072 error code?
The most common causes of B0072 include: Open or short circuit in the pretensioner circuit; Malfunction of the pretensioner itself; Problems with the airbag control module; Wiring harness damage.
How do I fix a B0072 diagnostic trouble code?
To fix B0072: Carry out diagnostics using an OBD-II scanner. Check the integrity of the pretensioner chain. Inspect contacts and connectors for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0072?
Do not drive — repair immediately
How much does it cost to fix B0072?
The estimated repair cost for B0072 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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