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Engine-Codes – Generic – B1B0C

B1B0C Code - Passenger Airbag Squib 2 Circuit Low

Quick Answer

The B1B0C diagnostic trouble code (DTC) specifically indicates a problem with the Passenger Airbag Squib 2 Circuit being too low. Common causes include Faulty Passenger Airbag Squib 2, Poor electrical connection or wiring issues, Corrosion or damage to the airbag system components. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B1B0C indicates Passenger Airbag Squib 2 Circuit Low.
Common causes
Common causes include Faulty Passenger Airbag Squib 2, Poor electrical connection or wiring issues, Corrosion or damage to the airbag system components.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code B1B0C Description

The B1B0C diagnostic trouble code (DTC) specifically indicates a problem with the Passenger Airbag Squib 2 Circuit being too low. The airbag squib is an electrical component responsible for deploying the airbag in the event of a collision. When the circuit is low, it means that there is a potential issue with the electrical connection or resistance in the circuit that could prevent the airbag from deploying properly.

OBDII Code B1B0C - Passenger Airbag Squib 2 Circuit Low
B1B0C Code - Passenger Airbag Squib 2 Circuit Low

Common Causes of B1B0C

  1. Faulty Passenger Airbag Squib 2
  2. Poor electrical connection or wiring issues
  3. Corrosion or damage to the airbag system components
  4. Faulty airbag control module
  5. Issues with the vehicle's battery or electrical system

Symptoms of B1B0C

  1. Airbag warning light illuminated on the dashboard
  2. The airbag system warning message displayed on the instrument panel
  3. Inability to turn off the passenger airbag
  4. Non-deployment or delayed deployment of the passenger airbag
  5. Erratic behavior of the airbag system during self-tests

How to Fix B1B0C

  1. Begin by disconnecting the vehicle's battery to prevent accidental airbag deployment during the repair process.
  2. Inspect the wiring and connectors associated with the Passenger Airbag Squib 2 for any damage, corrosion, or loose connections. Repair or replace any damaged components.
  3. Check the resistance of the airbag squib using a multimeter to determine if it falls within the manufacturer's specifications. Replace the squib if the resistance is too low.
  4. Clear the DTC using a diagnostic scanner and verify that the code does not return.
  5. Reconnect the battery and perform a test of the airbag system to ensure proper functionality.

Cost to Fix B1B0C

The typical repair costs for addressing a Passenger Airbag Squib 2 Circuit Low issue can range from $200 to $500, including parts and labor. However, the actual cost can vary depending on the specific make and model of the vehicle, the extent of the damage, and the labor rates at the auto repair shop. It is recommended to consult with a professional mechanic to get an accurate estimate for the repair.

When is the Code Detected?

This Diagnostic Trouble Code (DTC) sets when the ORC detects a short to ground on the 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 condition for greater than 2.5 seconds.

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Code B1B0C Information for Specific Makes

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.

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1B0C Code

1. What does OBDII code B1B0C mean?

Code B1B0C refers to a low voltage issue in the Passenger Airbag Squib 2 Circuit, indicating a problem with the airbag system's electrical circuit.

2. What are the common symptoms of code B1B0C?

Symptoms include the airbag warning light illuminating on the dashboard and potential deactivation of the passenger airbag.

3. What causes the B1B0C code to appear?

Possible causes include damaged wiring or connectors, a faulty passenger airbag squib, a defective clock spring, or an issue with the airbag control module.

4. Is it safe to drive with the B1B0C code?

Driving with this code may compromise passenger safety in case of an accident, as the airbag system might not function properly. It’s best to address the issue promptly.

5. How can I diagnose the B1B0C code?

Start by inspecting the wiring and connectors for damage or corrosion, check the clock spring for faults, and test the resistance of the passenger airbag squib using a multimeter.

6. Can a damaged clock spring cause the B1B0C code?

Yes, a damaged clock spring can disrupt the electrical connection to the airbag system and trigger this code.

7. How much does it cost to fix the B1B0C code?

Repair costs vary depending on the issue, ranging from $100 for minor wiring repairs to $1,000 or more if the airbag control module or clock spring needs replacement.

8. Can I clear the B1B0C code without fixing the problem?

Clearing the code without addressing the root cause will likely result in the code returning. Proper diagnosis and repair are essential.

9. Does the B1B0C code always require replacing the airbag squib?

Not necessarily. The problem could be with the wiring, connectors, or clock spring. The squib itself should only be replaced if testing confirms it’s faulty.

10. Will disconnecting the battery fix the B1B0C code?

Disconnecting the battery may reset the airbag system temporarily, but it will not fix the underlying issue causing the code.

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