B1147 Infiniti Code - Right Side Curtain Air Bag Module Short
Quick Answer
The B1147 Infiniti code indicates a problem with the right side curtain airbag module, specifically a short circuit. Common causes include Wiring issues or damage to the right side curtain airbag module, Faulty airbag module, Corrosion or poor connections in 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
- B1147 Infiniti indicates Right Side Curtain Air Bag Module Short.
- Common causes
- Common causes include Wiring issues or damage to the right side curtain airbag module, Faulty airbag module, Corrosion or poor connections in 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.
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Code B1147 Infiniti Description
The B1147 Infiniti code indicates a problem with the right side curtain airbag module, specifically a short circuit. The curtain airbag is an important safety feature in modern vehicles, designed to deploy in the event of a side collision to protect occupants from injury. A short circuit in the right side curtain airbag module can prevent it from deploying properly in a crash, compromising the safety of the vehicle's occupants.
Common Causes of B1147 Infiniti
- Wiring issues or damage to the right side curtain airbag module.
- Faulty airbag module.
- Corrosion or poor connections in the airbag system.
- Impact or collision that damaged the airbag module.
- Manufacturing defect in the airbag module.
Symptoms of B1147 Infiniti
- Airbag warning light illuminated on the dashboard.
- Inability to pass a state vehicle inspection.
- Diagnostic trouble codes related to the airbag system.
- In the event of a crash, the right side curtain airbag may not deploy as intended.
How to Fix B1147 Infiniti
- Begin by diagnosing the specific cause of the short circuit in the right side curtain airbag module using a diagnostic scanner.
- Inspect the wiring harness and connections for any damage or corrosion. Repair or replace any damaged components.
- Test the airbag module to determine if it is faulty. If necessary, replace the airbag module with a new one.
- Clear the diagnostic trouble codes from the vehicle's system and reset the airbag warning light.
- Perform a thorough test of the airbag system to ensure that the right side curtain airbag deploys correctly in a controlled environment.
Cost to Fix B1147 Infiniti
The cost of repairing a right side curtain airbag module short can vary depending on the extent of the damage and the specific components that need to be replaced. In general, the cost of parts for this repair can range from $200 to $600, while labor costs can range from $100 to $300. Overall, the total repair cost for this issue may fall between $300 and $900. It is important to note that labor rates and part prices can vary significantly based on location, vehicle make and model, and the specific repair shop. It is recommended to obtain quotes from multiple repair facilities to ensure a competitive price for the repair.
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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 B1147 Infiniti Code
1. What does the OBDII code B1147 mean for an Infiniti?
Code B1147 indicates a short circuit issue in the right side curtain airbag module wiring or circuitry.
2. What are the common symptoms of code B1147 in an Infiniti?
The airbag warning light will typically illuminate, and the right side curtain airbag may not function properly in the event of an accident.
3. What causes the B1147 code to appear in an Infiniti?
Common causes include damaged wiring, corroded connectors, a faulty right side curtain airbag module, or issues in the airbag control unit.
4. Can I still drive my Infiniti with the B1147 code?
Yes, you can drive the vehicle, but the right side curtain airbag may not deploy in an accident, which poses a safety risk.
5. How is the B1147 code diagnosed?
A mechanic will use a scan tool to confirm the code, inspect the wiring and connectors for damage or corrosion, and test the airbag module and control unit.
6. What repairs are commonly needed for code B1147?
Repairs may include fixing or replacing damaged wiring, cleaning or replacing corroded connectors, or replacing the right side curtain airbag module.
7. How much does it cost to fix the B1147 code on an Infiniti?
Repair costs can range from $100 to $600 depending on whether it requires wiring repairs or replacing the airbag module.
8. Can I reset the B1147 code without repairs?
Resetting the code without addressing the underlying issue will not resolve the problem, and the airbag warning light will likely return.
9. Is the B1147 code covered under warranty for Infiniti vehicles?
It may be covered under warranty if the vehicle is still within the bumper-to-bumper or specific airbag system warranty period.
10. What should I do if the B1147 code appears after an accident?
If the code appears after an accident, have the airbag system inspected and repaired by a certified technician to ensure proper functionality.
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