OBD Guide

B0079

Driver Seat Belt Pretensioner B Deployment Control

B0079 is an OBD-II diagnostic trouble code meaning: Driver Seat Belt Pretensioner B Deployment Control. Common causes: open or short circuit in pretensioner wiring harness, pretensioner squib malfunction. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$56โ€“167 (est.)

Symptoms

  • Airbag light is on
  • The passive safety system may not work in an emergency situation
  • Error persists after scanning

Causes

  • Open or short circuit in pretensioner wiring harness
  • Pretensioner squib malfunction
  • Problems with the airbag control unit
  • Corrosion or poor contact in connectors

How to Fix

  1. Diagnostics with a scanner to confirm the code
  2. Visually inspect the wiring harness and connectors for damage
  3. Checking the Pretensioner Circuit Resistance
  4. Replacement of faulty components (if necessary)
  5. Resetting the error and checking the system operation

Related codes

Error B0079 by Vehicle Brand

FAQ

What does the B0079 code mean?

B0079 is an OBD-II diagnostic trouble code that indicates: Driver Seat Belt Pretensioner B Deployment Control

What causes a B0079 error code?

The most common causes of B0079 include: Open or short circuit in pretensioner wiring harness; Pretensioner squib malfunction; Problems with the airbag control unit; Corrosion or poor contact in connectors.

How do I fix a B0079 diagnostic trouble code?

To fix B0079: Diagnostics with a scanner to confirm the code. Visually inspect the wiring harness and connectors for damage. Checking the Pretensioner Circuit Resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0079?

Do not drive โ€” repair immediately

How much does it cost to fix B0079?

The estimated repair cost for B0079 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat