OBD Guide

B0137

Short To Ground Left Seat Belt Pretensioner Squib Circuit

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • SRS malfunction lamp is on
  • Left seat belt pretensioner does not work
  • Error B0137 persists after reset

Causes

  • Wiring harness damage
  • Pretensioner squib malfunction
  • Short circuit to ground in the circuit
  • SRS control unit malfunction

How to Fix

  1. Check the integrity of the wiring harness in the pretensioner circuit
  2. Check the resistance of the pretensioner squib (must meet specification)
  3. Check for short circuit to ground in the circuit
  4. Check the operation of the SRS control unit
  5. Replace faulty components if found

Related codes

Error B0137 by Vehicle Brand