B1118 Code - Left Air Bag Satellite Sensor
Quick Answer
The B1118 code refers to an issue with the Left Air Bag Satellite Sensor in the vehicle's airbag system. Common causes include Faulty Left Air Bag Satellite Sensor, Wiring or connection issues between the sensor and the airbag control module, Corrosion or damage to the sensor or its mounting location. 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
- B1118 indicates Left Air Bag Satellite Sensor.
- Common causes
- Common causes include Faulty Left Air Bag Satellite Sensor, Wiring or connection issues between the sensor and the airbag control module, Corrosion or damage to the sensor or its mounting location.
- 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 B1118 Description
The B1118 code refers to an issue with the Left Air Bag Satellite Sensor in the vehicle's airbag system. This sensor is responsible for detecting impacts and deploying the airbag to protect the driver or passengers in the event of a collision. When this code is triggered, it indicates a malfunction or fault in the sensor, which can compromise the effectiveness of the airbag system.
Common Causes of B1118
- Faulty Left Air Bag Satellite Sensor.
- Wiring or connection issues between the sensor and the airbag control module.
- Corrosion or damage to the sensor or its mounting location.
- Impact or collision that damaged the sensor.
- Software or calibration issues with the airbag control module.
Symptoms of B1118
- Airbag warning light illuminated on the dashboard.
- Audible chime or warning message indicating an airbag system fault.
- Airbag system may fail self-test during vehicle startup.
- Airbag may not deploy in a collision.
- Inconsistent or erratic airbag deployment.
How to Fix B1118
- Diagnose the issue by using a scan tool to retrieve the B1118 code and perform a visual inspection of the sensor and wiring.
- Test the sensor's functionality using a multimeter or oscilloscope to check for proper voltage and resistance.
- Replace the Left Air Bag Satellite Sensor if it is found to be faulty or damaged.
- Repair any wiring or connection issues between the sensor and the airbag control module.
- Clear the diagnostic trouble codes and perform a test drive to ensure the issue has been resolved.
Cost to Fix B1118
The cost of repairing the Left Air Bag Satellite Sensor can vary depending on the make and model of the vehicle, as well as the location and labor rates of the auto repair shop. Typically, the parts for this repair can range from $200 to $500, while the labor costs can range from $100 to $300. Overall, the total repair cost for addressing the B1118 code is estimated to be between $300 and $800. It is recommended to consult with a qualified mechanic or auto repair shop to get an accurate estimate based on the specific circumstances of the vehicle.
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Code B1118 Information for Specific Makes
- B1118 Infiniti — Left Air Bag Satellite Sensor
- B1118 Nissan — Left Air Bag Satellite Sensor
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 B1118 Code
1. What are the common symptoms of OBDII code B1118 (Left Air Bag Satellite Sensor)?
The common symptoms include the airbag warning light staying illuminated on the dashboard and potential issues with the left side airbag deployment system.
2. What are the possible causes of OBDII code B1118?
The code B1118 typically indicates a fault with the left air bag satellite sensor, which could be caused by wiring issues, a malfunctioning sensor, or a problem with the airbag control module.
3. How can I diagnose the OBDII code B1118 related to the Left Air Bag Satellite Sensor?
Diagnosing this code usually involves using a diagnostic scanner to retrieve the specific fault code, inspecting the wiring and connections related to the left air bag satellite sensor, and testing the sensor itself for proper functionality.
4. Can I drive my vehicle with OBDII code B1118 present?
It is not recommended to drive the vehicle with an active airbag fault code like B1118, as it may compromise the safety features of the airbag system in the event of a collision.
5. How can I repair OBDII code B1118 associated with the Left Air Bag Satellite Sensor?
Repairing this code may involve replacing the faulty left air bag satellite sensor, repairing any damaged wiring or connections, or reprogramming the airbag control module to clear the fault code.
6. Is it possible to reset the OBDII code B1118 without fixing the underlying issue?
Resetting the code without addressing the root cause may temporarily turn off the warning light, but the issue will likely reappear, and the safety of the airbag system will remain compromised.
7. Are there any safety concerns associated with OBDII code B1118?
Yes, OBDII code B1118 related to the Left Air Bag Satellite Sensor indicates a potential safety hazard as it involves the functionality of the airbag system, which is crucial for occupant protection in a collision.
8. Can a DIY enthusiast repair OBDII code B1118 at home?
While some basic troubleshooting steps can be performed at home, repairing OBDII code B1118 related to the Left Air Bag Satellite Sensor may require specialized tools and expertise, so it is recommended to seek professional help.
9. How much does it typically cost to repair OBDII code B1118?
The cost of repairing OBDII code B1118 can vary depending on the root cause of the issue, the parts needed for replacement, and the labor charges, but it may range from a few hundred to over a thousand dollars.
10. Is it necessary to visit a dealership for OBDII code B1118 repair, or can an independent auto repair shop handle it?
An independent auto repair shop with experience in airbag systems and OBDII diagnostics can usually handle the repair of OBDII code B1118 effectively, potentially offering cost savings compared to dealership services.
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