B1935 Ford Code - Air Bag Passenger Inflator Circuit Resistance Low On Squib Fault
Quick Answer
The B1935 Ford code indicates a problem with the airbag passenger inflator circuit, specifically a low resistance on the squib fault. Common causes include Faulty airbag squib, Wiring harness issues, Defective airbag 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
- B1935 Ford indicates Air Bag Passenger Inflator Circuit Resistance Low On Squib Fault.
- Common causes
- Common causes include Faulty airbag squib, Wiring harness issues, Defective airbag 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.
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Code B1935 Ford Description
The B1935 Ford code indicates a problem with the airbag passenger inflator circuit, specifically a low resistance on the squib fault. The squib is the component responsible for igniting the airbag inflator to deploy the airbag in the event of a collision. A low resistance in this circuit can prevent the airbag from deploying properly or at all, compromising the safety of the vehicle's occupants.
Common Causes of B1935 Ford
- Faulty airbag squib
- Wiring harness issues
- Defective airbag module
- Malfunctioning airbag control module
- Corrosion or damage to the connectors in the airbag system
Symptoms of B1935 Ford
- Airbag warning light illuminated on the dashboard
- Inability to pass a vehicle safety inspection
- Non-deployment of the passenger airbag in a collision
- Diagnostic trouble code (DTC) B1935 stored in the vehicle's computer system
How to Fix B1935 Ford
- Begin by diagnosing the exact cause of the issue using a scan tool to retrieve the trouble codes and perform a visual inspection of the airbag system components.
- Test the resistance of the airbag squib to determine if it is within the manufacturer's specifications. Replace the squib if necessary.
- Inspect the wiring harness for any damage, corrosion, or loose connections. Repair or replace any damaged wires or connectors.
- Check the airbag module and control module for any faults or malfunctions. Replace these components if they are found to be defective.
- Clear the diagnostic trouble codes from the vehicle's computer system and test the airbag system to ensure proper functionality.
Cost to Fix B1935 Ford
The cost of repairing a B1935 Ford code can vary depending on the exact cause of the issue and the labor rates in your area. On average, the repair for this type of airbag circuit resistance low fault can range from $200 to $500, including parts and labor. However, it's essential to consult with a qualified mechanic or auto repair shop to get an accurate estimate based on your specific vehicle make and model. Keep in mind that diagnostic time and labor rates can vary, so it's advisable to inquire about these costs upfront.
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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.
Frequently Asked Questions about B1935 Ford Code
1. What are the common symptoms of OBDII code B1935 for a Ford vehicle?
- The common symptoms include the airbag warning light illuminating on the dashboard and potential issues with the passenger side airbag system.
2. What can cause the OBDII code B1935 to trigger in a Ford vehicle?
- The code B1935 is typically triggered when there is low resistance detected in the passenger inflator circuit on the squib (airbag) fault.
3. How serious is OBDII code B1935 in a Ford vehicle?
- OBDII code B1935 relating to the airbag passenger inflator circuit resistance being low on squib fault is a serious issue as it involves the safety of the airbag system.
4. Can I continue to drive my Ford vehicle with OBDII code B1935 present?
- It is not recommended to drive the vehicle with OBDII code B1935 present, as it indicates a potential problem with the passenger side airbag system.
5. How can I diagnose and repair OBDII code B1935 in my Ford vehicle?
- Diagnosis and repair of OBDII code B1935 typically involve checking the wiring and connections in the passenger inflator circuit, testing the airbag system components, and addressing any faults found.
6. Are there any safety precautions to consider when working on OBDII code B1935 in a Ford vehicle?
- Safety precautions should always be taken when working on the airbag system, including disconnecting the vehicle's battery and waiting for a specified amount of time before starting any repairs.
7. Can resetting the OBDII code B1935 in a Ford vehicle fix the issue?
- Resetting the code may temporarily turn off the warning light, but it will not fix the underlying issue causing the low resistance in the passenger inflator circuit.
8. How much does it typically cost to repair OBDII code B1935 in a Ford vehicle?
- The cost of repairing OBDII code B1935 can vary depending on the specific issue, but it may involve replacing damaged wiring, connectors, or airbag system components.
9. Will OBDII code B1935 fail a vehicle inspection or emissions test?
- OBDII code B1935 indicating a fault in the airbag system will not directly cause a vehicle to fail an emissions test, but it may affect the overall safety inspection of the vehicle.
10. Can I fix OBDII code B1935 in my Ford vehicle myself, or should I take it to a professional mechanic?
- Due to the complexity and safety considerations of working on the airbag system, it is recommended to have OBDII code B1935 diagnosed and repaired by a professional mechanic or authorized service center.
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