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B2235 Lincoln Code - Air Bag Passenger Inflator Circuit Resistance Low On Squib

Quick Answer

The B2235 diagnostic trouble code (DTC) for Lincoln vehicles specifically refers to an issue with the airbag passenger inflator circuit resistance being low on the squib. Common causes include Faulty passenger airbag inflator, Wiring or connection issues in the airbag circuit, Faulty squib or airbag control module. 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
B2235 Lincoln indicates Air Bag Passenger Inflator Circuit Resistance Low On Squib.
Common causes
Common causes include Faulty passenger airbag inflator, Wiring or connection issues in the airbag circuit, Faulty squib or airbag control module.
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 08, 2024
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Code B2235 Lincoln Description

The B2235 diagnostic trouble code (DTC) for Lincoln vehicles specifically refers to an issue with the airbag passenger inflator circuit resistance being low on the squib. In simpler terms, this code indicates that there is a problem with the circuitry that controls the passenger-side airbag inflator system. The squib is a component within the airbag system that is responsible for deploying the airbag in the event of a collision.

OBDII Code B2235 Lincoln - Air Bag Passenger Inflator Circuit Resistance Low On Squib
B2235 Lincoln Code - Air Bag Passenger Inflator Circuit Resistance Low On Squib

Common Causes of B2235 Lincoln

  1. Faulty passenger airbag inflator
  2. Wiring or connection issues in the airbag circuit
  3. Faulty squib or airbag control module
  4. Corrosion or damage to airbag system components
  5. Electrical issues such as short circuits or open circuits in the system

Symptoms of B2235 Lincoln

  1. Illuminated airbag warning light on the dashboard
  2. Audible warning chime indicating an airbag system fault
  3. Inability to turn off the airbag system warning light
  4. Passenger airbag may not deploy in a crash
  5. Diagnostic trouble code (DTC) B2235 stored in the vehicle's computer system

How to Fix B2235 Lincoln

  1. Diagnose the issue: Use a scan tool to retrieve the DTC and perform a thorough inspection of the airbag system components to identify the root cause of the problem.
  2. Check wiring and connections: Inspect the wiring harness and connections in the airbag system for any damage, corrosion, or loose connections. Repair or replace as needed.
  3. Test airbag inflator and squib: Test the passenger airbag inflator and squib for proper resistance values and functionality. Replace any faulty components.
  4. Clear DTC and reset the system: After making the necessary repairs, clear the DTC from the vehicle's computer system and reset the airbag system to ensure proper operation.
  5. Perform a final test: Conduct a test of the airbag system to verify that the issue has been resolved and that the passenger airbag deploys as intended in a controlled environment.

Cost to Fix B2235 Lincoln

The cost of repairing a B2235 DTC for a Lincoln vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for replacing components such as the airbag inflator or squib can range from $200 to $600. Labor costs for diagnosis and repair can range from $150 to $300, depending on the shop's hourly rates and the complexity of the repair. Overall, the total cost of addressing a B2235 DTC can range from $350 to $900 or more. It's important to note that these are rough estimates, and actual costs may vary based on various factors. It's recommended to consult with a qualified mechanic or repair shop for a more accurate cost estimate.

Need more information about the B2235 Lincoln code?

Need more information on how to fix the B2235 Lincoln code? Get Access to Factory Service Manuals

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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 B2235 Lincoln Code

1. What are the common symptoms of OBDII code B2235 in a Lincoln related to the Air Bag Passenger Inflator Circuit Resistance Low On Squib?

- The common symptoms include the airbag warning light illuminating on the dashboard, potential non-deployment of the passenger airbag during an accident, and diagnostic trouble code B2235 being stored in the vehicle's computer.

2. What are the possible causes of OBDII code B2235 in a Lincoln?

- The code B2235 in a Lincoln is typically triggered by issues such as a faulty passenger airbag inflator, a damaged squib circuit, poor electrical connections, or a blown fuse related to the airbag system.

3. How serious is OBDII code B2235 in a Lincoln?

- OBDII code B2235 should be taken seriously as it indicates a potential problem with the passenger airbag system. It is crucial to address this issue promptly to ensure the proper functioning of the airbag in case of an accident.

4. Can I continue driving my Lincoln with OBDII code B2235 present?

- It is not recommended to continue driving the vehicle with OBDII code B2235 present, as it indicates a fault in the passenger airbag system. Ignoring this issue could lead to the airbag failing to deploy in a collision, increasing the risk of injury to the passenger.

5. How can OBDII code B2235 in a Lincoln be repaired?

- To repair OBDII code B2235, the underlying cause of the issue must be diagnosed and addressed. This may involve inspecting and repairing the passenger airbag inflator, checking the squib circuit for damage, ensuring proper electrical connections, and replacing any blown fuses.

6. Is it safe to reset the OBDII code B2235 in a Lincoln without fixing the underlying issue?

- It is not safe to simply reset the OBDII code B2235 without addressing the root cause of the problem. Resetting the code without fixing the underlying issue will not resolve the potential safety risk associated with the passenger airbag system.

7. How much does it typically cost to repair OBDII code B2235 in a Lincoln?

- The cost of repairing OBDII code B2235 in a Lincoln can vary depending on the specific cause of the issue and the extent of the repairs needed. It is recommended to consult a professional mechanic for an accurate diagnosis and cost estimate.

8. Can a DIY enthusiast fix OBDII code B2235 in a Lincoln?

- While some aspects of diagnosing and repairing OBDII code B2235 may be within the capabilities of a DIY enthusiast, dealing with the airbag system requires specialized knowledge and tools. It is advisable to seek assistance from a qualified mechanic for this type of repair.

9. How long does it take to repair OBDII code B2235 in a Lincoln?

- The time required to repair OBDII code B2235 in a Lincoln can vary depending on the specific cause of the issue and the complexity of the repairs needed. Some repairs may be completed relatively quickly, while others could take more time, especially if parts need to be ordered.

10. Are there any safety precautions to consider when working on OBDII code B2235 in a Lincoln?

- When working on OBDII code B2235 in a Lincoln, it is important to disconnect the vehicle's battery and wait for the airbag system to fully discharge before starting any repairs. Additionally, following proper safety procedures and using the correct tools is crucial to prevent accidents or injuries.

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