Engine-CodesDodge – B1B10 Dodge

B1B10 Dodge Code - Driver Knee Bolster Squib Circuit Low

Quick Answer

The B1B10 diagnostic trouble code (DTC) for Dodge vehicles specifically refers to the "Driver Knee Bolster Squib Circuit Low." This code indicates a problem with the driver's knee bolster airbag system, specifically the squib circuit being detected as having low voltage. Common causes include Faulty driver knee bolster squib circuit, Damaged wiring or connectors in the airbag system, Blown fuse related to the airbag system. 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
B1B10 Dodge indicates Driver Knee Bolster Squib Circuit Low.
Common causes
Common causes include Faulty driver knee bolster squib circuit, Damaged wiring or connectors in the airbag system, Blown fuse related to the airbag system.
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.
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code B1B10 Dodge Description

The B1B10 diagnostic trouble code (DTC) for Dodge vehicles specifically refers to the "Driver Knee Bolster Squib Circuit Low." This code indicates a problem with the driver's knee bolster airbag system, specifically the squib circuit being detected as having low voltage. The knee bolster airbag is an important safety feature designed to protect the driver's knees and lower body in the event of a collision. When this code is triggered, it means that there is a potential issue with the deployment of the airbag in the event of a crash.

OBDII Code B1B10 Dodge - Driver Knee Bolster Squib Circuit Low
B1B10 Dodge Code - Driver Knee Bolster Squib Circuit Low

Common Causes of B1B10 Dodge

  1. Faulty driver knee bolster squib circuit.
  2. Damaged wiring or connectors in the airbag system.
  3. Blown fuse related to the airbag system.
  4. Malfunctioning airbag control module.
  5. Impact or collision that caused damage to the airbag system components.

Symptoms of B1B10 Dodge

  1. Illumination of the airbag warning light on the dashboard.
  2. Diagnostic trouble code (DTC) B1B10 stored in the vehicle's computer system.
  3. Inability to reset the airbag warning light after clearing the code.
  4. Non-deployment of the driver knee bolster airbag during a crash.

How to Fix B1B10 Dodge

  1. Begin by diagnosing the specific cause of the B1B10 code using a diagnostic scan tool to pinpoint the issue accurately.
  2. Inspect the driver knee bolster squib circuit, wiring, and connectors for any signs of damage or corrosion.
  3. Check and replace any blown fuses related to the airbag system.
  4. Test the airbag control module for proper functionality and replace if necessary.
  5. Clear the DTC from the vehicle's computer system and reset the airbag warning light to ensure that the issue has been resolved.

Cost to Fix B1B10 Dodge

The typical repair costs for addressing a B1B10 code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, repairing an airbag system fault like this could range from $200 to $800, including parts and labor. However, it is essential to note that the actual cost can be higher or lower based on factors such as the vehicle's make and model, the location of the repair shop, and the hourly labor rates charged. It is advisable to consult with a qualified mechanic or dealership to obtain a more accurate estimate based on the specific circumstances of the vehicle in question.

When is the Code Detected?

This Diagnostic Trouble Code (DTC) sets when the ORC detects a short to ground on the driver knee bolster 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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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 B1B10 Dodge Code

1. What does the OBDII code B1B10 in a Dodge vehicle indicate?

The B1B10 code signifies that there is an issue with the driver knee bolster squib circuit, specifically indicating a low voltage situation in the circuit.

2. What are the common symptoms of code B1B10 in a Dodge?

Symptoms may include the airbag warning light illuminating on the dashboard, potential non-deployment of the knee airbag in a collision, and error messages related to the airbag system.

3. What can cause the B1B10 code to appear in a Dodge vehicle?

Causes can range from a faulty driver knee airbag module, damaged wiring or connectors in the airbag circuit, to issues with the airbag control unit.

4. How is the B1B10 code diagnosed in a Dodge?

Diagnosis involves using a scan tool to read the fault code and examining the airbag system circuitry for any obvious damage. A technician might also measure voltage and resistance in the knee bolster squib circuit to identify abnormalities.

5. What steps are involved in repairing the B1B10 code in a Dodge?

Repair could involve replacing the knee airbag module, repairing or replacing damaged wiring, or fixing faulty connectors. In some cases, resetting or replacing the airbag control module may also be necessary.

6. Is it safe to drive a Dodge with the B1B10 code?

Driving with this code is not recommended as it involves the safety system of the vehicle. The knee airbag may not deploy in the event of a collision, increasing the risk of injury.

7. Can a B1B10 code affect other systems in my Dodge?

While the code specifically relates to the knee bolster airbag, it indicates a problem within the overall airbag system, which could potentially impact the operation of other airbags and safety features.

8. Will clearing the B1B10 code fix the issue in my Dodge?

Simply clearing the code without addressing the underlying issue will not fix the problem. The code will likely reappear until the actual cause of the low circuit condition is resolved.

9. How often is the B1B10 code a result of a major component failure?

It is not always due to a major component failure; often it can be caused by simpler issues like loose connections or corroded wires. However, thorough diagnostics are essential to determine the exact cause.

10. What should be my first step after noticing a B1B10 code in my Dodge?

The first step should be to contact a qualified mechanic who can perform a detailed diagnostic to identify and rectify the issue, ensuring the safety features of your vehicle function correctly.

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