B2235 Mercury Code - Air Bag Passenger Inflator Circuit Resistance Low On Squib
Quick Answer
The Air Bag Control Module monitors the Air Bag Passenger Circuit. Common causes include Faulty Air Bag Passenger, Air Bag Passenger harness is open or shorted, Air Bag Passenger circuit poor electrical connection. 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 Mercury indicates Air Bag Passenger Inflator Circuit Resistance Low On Squib.
- Common causes
- Common causes include Faulty Air Bag Passenger, Air Bag Passenger harness is open or shorted, Air Bag Passenger circuit poor electrical connection.
- 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.
Code B2235 Mercury Description
What are the Possible Causes of the DTC B2235 Mercury?
- Faulty Air Bag Passenger
- Air Bag Passenger harness is open or shorted
- Air Bag Passenger circuit poor electrical connection
- Faulty Air Bag Control Module
How to Fix the DTC B2235 Mercury?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B2235 Mercury code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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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 B2235 Mercury Code
1. What are the common symptoms of OBDII code B2235 in a Mercury related to the airbag passenger inflator circuit?
- Common symptoms include the airbag warning light staying illuminated on the dashboard and a potential non-deployment of the passenger side airbag during an accident.
2. What could be the causes of OBDII code B2235 in a Mercury indicating low resistance on the airbag passenger inflator circuit squib?
- Possible causes may include faulty wiring or connections in the passenger airbag system, a defective airbag inflator module, or a problem with the airbag control module.
3. How serious is OBDII code B2235 in a Mercury indicating low resistance on the airbag passenger inflator circuit squib?
- This code should be taken seriously as it indicates a potential issue with the passenger side airbag system, which could compromise passenger safety in the event of a collision.
4. Is it safe to continue driving a Mercury with OBDII code B2235 present?
- It is not recommended to drive the vehicle with this code present, as there is a risk of the passenger side airbag not deploying correctly in an accident.
5. What steps can be taken to diagnose and repair OBDII code B2235 in a Mercury related to the airbag system?
- A thorough inspection of the wiring, connectors, and components in the passenger side airbag system should be conducted to identify the root cause of the low resistance issue. Professional diagnostic tools may be needed for a precise diagnosis.
6. Can OBDII code B2235 in a Mercury be reset without addressing the underlying issue?
- While the code can be cleared using an OBDII scanner, it is crucial to address the root cause of the problem to ensure the safety and functionality of the passenger airbag system.
7. Are there any safety precautions to take when working on the airbag system to resolve OBDII code B2235 in a Mercury?
- When working on the airbag system, it is essential to disconnect the vehicle's battery and wait for at least 10 minutes before proceeding to avoid accidental airbag deployment.
8. Can a DIY enthusiast repair OBDII code B2235 in a Mercury, or is it best left to professionals?
- Due to the complexity and safety considerations involved in airbag system repairs, it is recommended to consult with a qualified mechanic or technician to address OBDII code B2235 effectively.
9. How much can a typical repair for OBDII code B2235 in a Mercury cost?
- Repair costs for OBDII code B2235 can vary depending on the underlying issue, parts needed, and labor rates. It is advisable to obtain estimates from reputable repair shops for an accurate cost assessment.
10. Is there a recall or service bulletin related to OBDII code B2235 in Mercury vehicles?
- It is recommended to check with the manufacturer or authorized dealerships to inquire about any recalls or service bulletins related to OBDII code B2235 affecting Mercury vehicles.
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