Engine-Codes - Lexus - B0137 LEXUS

B0137 LEXUS Code - Short To Ground Left Seat Belt Pretensioner Squib Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

|B0137 LEXUS code possible causes

  • Faulty Left Seat Belt Pretensioner
  • Left Seat Belt Pretensioner harness is open or shorted
  • Left Seat Belt Pretensioner circuit poor electrical connection
  • Faulty Air Bag Control Module

|How is the B0137 LEXUS code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|What is the cost to diagnose the B0137 LEXUS code

Labor: 1.0

The cost to diagnose the B0137 LEXUS code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are B0137 LEXUS code possible symptoms?

  • Air Bag Warning Light ON

|What is B0137 LEXUS code meaning?

The left seat belt pretensioner squib circuit consists of the air bag center sensor and right seat belt pretensioner. The squib circuit causes the left seat belt pretensioner to deploy when deployment conditions are satisfied. The Air Bag Control Module monitors the Left Seat Belt Pretensioner. The Air Bag Control Module sets the OBDII code when the Left Seat Belt Pretensioner is not to factory specifications.

|Need more information with the B0137 LEXUS code?

Need more information on how to fix the B0137 LEXUS code?
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|Need help with a B0137 LEXUS code?

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Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service

  • Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
  • Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
  • Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
  • Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.
Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.