Engine-Codes - Mitsubishi - B1B00 MITSUBISHI

B1B00 MITSUBISHI Code - Driver Airbag Squib 1 Circuit Low

- Code Popularity: 1,719 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the B1B00 MITSUBISHI Code?

  • Faulty Driver Airbag Squib 1
  • Driver Airbag Squib 1 harness is open or shorted
  • Driver Airbag Squib 1 circuit poor electrical connection
  • Faulty Driver Airbag
  • Faulty Steering Comun Control Module (Clockspring)
  • Faulty Occupant Restraint Controller (ORC)

|How to Fix the B1B00 MITSUBISHI Code?

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 B1B00 MITSUBISHI code?

Labor: 1.0

The cost to diagnose the B1B00 MITSUBISHI 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.

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|When is the B1B00 MITSUBISHI code detected?

This Diagnostic Trouble Code (DTC) sets when the ORC detects a short to ground on the driver airbag squib circuit for more than 2.5 seconds. This DTC transitions from active to stored when the ORC sees a recovery from a short to ground for greater than 2.5 seconds.

|What are B1B00 MITSUBISHI code possible symptoms?

  • Air Bag Warning Light ON

|What Does the B1B00 MITSUBISHI Code Mean?

When powered, the Occupant Restraint Controller (ORC) sends a test current to the squibs to verify the integrity of the squib and wiring. These circuits are maintained in a "floating" configuration at the module (connected to neither power nor ground) as protection against inadvertent deployment. The use of the SRS Load Tool Adaptor provides a test point as well as a method for opening the shorting bar connections within the harness connector. The Clockspring is part of the Steering Column Control Module (SCCM). The SCCM includes the steering column shroud, the Steering Angle Sensor (SAS), the Clockspring, the Multi-function Switch, a Steering Column Power Tilt and Telescope Switch (if equipped), and a trim cover. The SCCM is replaced as an entire assembly. The ORC Module sends out a 40 mA diagnostic current on each squib voltage supply circuit at power up, and every 500 ms thereafter while the ignition is on.

Driver Airbag Squib 1 Circuit Low

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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.