B0074
Second Row Center Seat Belt Pretensioner Deployment Control
B0074 is an OBD-II diagnostic trouble code meaning: Second Row Center Seat Belt Pretensioner Deployment Control. Common causes: pretensioner circuit break, squib malfunction. Estimated repair cost: $56–167.
Symptoms
- Airbag light is on
- Lack of seat belt tension in an accident
- Diagnostic memory error
Causes
- Pretensioner circuit break
- Squib malfunction
- Problems with the control module
- Short circuit in wiring harness
How to Fix
- Diagnostics of the pretensioner chain
- Checking the squib resistance
- Inspect the wiring harness for damage
- Replacing faulty components
- Resetting the error and testing the system
Related codes
Error B0074 by Vehicle Brand
FAQ
What does the B0074 code mean?
B0074 is an OBD-II diagnostic trouble code that indicates: Second Row Center Seat Belt Pretensioner Deployment Control
What causes a B0074 error code?
The most common causes of B0074 include: Pretensioner circuit break; Squib malfunction; Problems with the control module; Short circuit in wiring harness.
How do I fix a B0074 diagnostic trouble code?
To fix B0074: Diagnostics of the pretensioner chain. Checking the squib resistance. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0074?
Do not drive — repair immediately
How much does it cost to fix B0074?
The estimated repair cost for B0074 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat