B1147 Code - Right Side Curtain Air Bag Module Short
Quick Answer
The B1147 code indicates a problem with the right side curtain airbag module, specifically a short circuit. Common causes include Damaged wiring or connectors in the right side curtain airbag circuit, Faulty right side curtain airbag module, Corrosion or moisture in the airbag system components. 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 indicates Right Side Curtain Air Bag Module Short.
- Common causes
- Common causes include Damaged wiring or connectors in the right side curtain airbag circuit, Faulty right side curtain airbag module, Corrosion or moisture in the airbag system components.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code B1147 Description
The B1147 code indicates a problem with the right side curtain airbag module, specifically a short circuit. The curtain airbag system is designed to provide additional protection in the event of a side impact or rollover accident. When this code is triggered, it means that there is a malfunction in the right side curtain airbag module that could prevent it from deploying properly in a crash.
Common Causes of B1147
- Damaged wiring or connectors in the right side curtain airbag circuit
- Faulty right side curtain airbag module
- Corrosion or moisture in the airbag system components
- Vehicle collision or impact that affected the airbag system
- Electrical problems in the vehicle's overall wiring system
Symptoms of B1147
- Airbag warning light illuminated on the dashboard
- Failure of the right side curtain airbag to deploy in a crash
- Diagnostic trouble code (DTC) B1147 stored in the vehicle's computer
- Loss of continuity or resistance in the right side curtain airbag circuit
How to Fix B1147
- Begin by diagnosing the source of the short circuit in the right side curtain airbag module. This may involve using a multimeter to test the wiring and connectors for continuity and resistance.
- If the issue is with the wiring or connectors, repair or replace any damaged components as needed.
- If the problem lies with the right side curtain airbag module itself, it may need to be replaced with a new or rebuilt unit.
- Clear the diagnostic trouble code (DTC) from the vehicle's computer and reset the airbag system.
- Perform a thorough system check to ensure that the right side curtain airbag is now functioning correctly and that the airbag warning light is no longer illuminated.
Cost to Fix B1147
The cost of repairing a B1147 code related to a right side curtain airbag module short can vary depending on the specific cause of the issue and the required repairs. In general, the cost of replacing damaged wiring or connectors may range from $100 to $300, while replacing a faulty airbag module could cost between $500 and $1000. Labor costs for diagnosis and repair can add an additional $100 to $300 to the total bill. It is important to note that these are rough estimates, and actual costs may vary based on the vehicle make and model, location, and labor rates at the repair facility. It is advisable to consult with a qualified technician or repair shop for a more accurate cost estimate.
Need more information about the B1147 code?
Need more information on how to fix the B1147 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1147 code diagnosed by a professional: Find a repair shop in your area
Code B1147 Information for Specific Makes
- B1147 Buick — Driver Side Air Bag System Malfunction
- B1147 Cadillac — Driver Side Air Bag System Malfunction
- B1147 Chevrolet — Driver Side Air Bag System Malfunction
- B1147 GMC — Driver Side Air Bag System Malfunction
- B1147 Infiniti — Right Side Curtain Air Bag Module Short
- B1147 Nissan — Right Side Curtain Air Bag Module Short
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 Code
1. What are the common symptoms of OBDII code B1147 (Right Side Curtain Air Bag Module Short)?
The common symptoms include the airbag warning light illuminating on the dashboard and potential non-deployment of the right side curtain airbag in a collision.
2. What are the possible causes of OBDII code B1147?
Possible causes of this code include a short circuit in the right side curtain air bag module wiring, a faulty airbag module, or a problem with the airbag control unit.
3. How can I diagnose the issue related to OBDII code B1147?
Diagnosing the issue requires using a diagnostic scanner to retrieve the specific fault codes, checking the wiring and connections for any visible damage, and testing the airbag module and control unit for proper functionality.
4. Can I still drive my vehicle with OBDII code B1147 present?
It is not recommended to drive the vehicle with this code present, as it indicates a potential issue with the right side curtain airbag system, compromising safety in the event of a collision.
5. How can I repair OBDII code B1147 on my own?
Repairing this code may involve repairing or replacing damaged wiring, replacing the right side curtain airbag module, or resetting the airbag control unit. It is recommended to consult a professional for proper repair.
6. Are there any safety concerns associated with OBDII code B1147?
Yes, there are safety concerns as the right side curtain airbag may not deploy in a collision if this code is present, increasing the risk of injury to the occupants.
7. How much does it typically cost to fix OBDII code B1147 at a repair shop?
The cost of repairing this code can vary depending on the extent of the damage and parts needed, but it can range from $200 to $600 at a repair shop.
8. Will resetting the OBDII code B1147 make the issue go away permanently?
Resetting the code may temporarily turn off the warning light, but if the underlying issue is not addressed, the code is likely to reappear, indicating an ongoing problem with the airbag system.
9. Can a DIY enthusiast with basic automotive knowledge fix OBDII code B1147?
While some aspects of the repair may be within reach of a DIY enthusiast, dealing with airbag systems requires specialized knowledge and tools, so it's best to seek professional help for this issue.
10. Is it important to address OBDII code B1147 promptly?
Yes, it is crucial to address this code promptly to ensure the proper functioning of the right side curtain airbag system and maintain the safety of the vehicle occupants in the event of an accident.
Discuss the causes and fixes for B1147 OBDII Code
Code B1147 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.