OBD Guide

B1426

Lamp Seat Belt Circuit Short To Battery

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$22–111 (est.)

Symptoms

  • Seat belt light stays on constantly
  • Incorrect operation of the seat belt warning system
  • Security system malfunction indicator light comes on

Causes

  • Wiring harness damage
  • Short circuit in indicator circuit
  • Malfunction of the indicator itself
  • Problems connecting to the ECU

How to Fix

  1. Check the integrity of the indicator circuit wiring harness
  2. Check the status of the seat belt indicator
  3. Diagnose connection to the ECU
  4. Replace damaged components if necessary

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