OBD Guide

B1432

Left Seat Belt Pre-Tensioner 2 Circuit

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Airbag light is on
  • Error B1432 in fault memory
  • Restraint system malfunction

Causes

  • Open or short circuit in the circuit
  • Faulty pretensioner squib
  • Damaged wiring harness
  • Problems with the airbag control module

How to Fix

  1. Check the integrity of the circuit and contacts
  2. Measure the resistance of the squib
  3. Inspect the wiring harness for damage
  4. If necessary, replace the squib or harness
  5. Reset the error and check the system

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