B0079

Driver Seat Belt Pretensioner B Deployment Control

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (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

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

Related codes

B0080 B0078 B0077