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Engine-Codes - Mitsubishi - B1B0B MITSUBISHI

B1B0B MITSUBISHI - Passenger Airbag Squib 1 Circuit Shorted Together

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

B1B0B MITSUBISHI Possible Causes

What does this mean?
  • Faulty Passenger Airbag Squib 1
  • Passenger Airbag Squib 1 harness is open or shorted
  • Passenger Airbag Squib 1 circuit poor electrical connection
  • Faulty Passenger Airbag
  • Faulty Occupant Restraint Controller (ORC)

How is the B1B0B MITSUBISHI 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 B1B0B MITSUBISHI code

Labor: 1.0

The cost to diagnose the B1B0B 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 code detected?

This Diagnostic Trouble Code (DTC) sets when the ORC detects both circuits of the same squib are shorted together for more than 2.5 seconds. This DTC transitions from active to stored when the ORC sees a recovery from a shorted together condition for greater than 2.5 seconds.

Possible Symptoms

  • Air Bag Warning Light ON

B1B0B MITSUBISHI Meaning

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 Adapter provides a test point as well as a method for opening the shorting bar connections within the harness connector. The ORC 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.

More Information

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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.

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