B1198 Code - Left Side Front Curtain Air Bag Module Open
Quick Answer
The Air Bag Sensor Unit (Air Bag Control Module) monitors the Left Side Front Curtain Air Bag Module. Common causes include Faulty Left Side Front Curtain Air Bag Module, Left Side Front Curtain Air Bag Module harness is open or shorted, Left Side Front Curtain Air Bag Module 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
- B1198 indicates Left Side Front Curtain Air Bag Module Open.
- Common causes
- Common causes include Faulty Left Side Front Curtain Air Bag Module, Left Side Front Curtain Air Bag Module harness is open or shorted, Left Side Front Curtain Air Bag Module 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 B1198 Description
What are the Possible Causes of the DTC B1198?
- Faulty Left Side Front Curtain Air Bag Module
- Left Side Front Curtain Air Bag Module harness is open or shorted
- Left Side Front Curtain Air Bag Module circuit poor electrical connection
- Faulty Air Bag Sensor Unit (Air Bag Control Module)
How to Fix the DTC B1198?
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 B1198 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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Get the B1198 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- B1198 Infiniti — Left Side Front Curtain Air Bag Module Open
- B1198 Nissan — Left Side Front Curtain Air Bag Module Open
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 B1198 Code
1. What are common symptoms of OBDII code B1198, Left Side Front Curtain Air Bag Module Open?
The common symptoms include the airbag warning light illuminating on the dashboard and a diagnostic trouble code (DTC) B1198 being stored in the vehicle's computer.
2. What causes the OBDII code B1198, Left Side Front Curtain Air Bag Module Open?
This code is typically caused by a fault in the left side front curtain airbag module, which may be due to a wiring issue, a loose connection, or a malfunction within the airbag module itself.
3. How serious is the OBDII code B1198, Left Side Front Curtain Air Bag Module Open?
This code indicates a problem with the left side front curtain airbag system, which could potentially affect the deployment of the airbag in the event of a collision. It is essential to address this issue promptly to ensure the airbag functions as intended.
4. Can I continue driving with the OBDII code B1198 present?
It is not recommended to drive the vehicle with an active airbag fault code like B1198. In the event of an accident, the airbag may not deploy correctly, posing a safety risk to the occupants.
5. How can I diagnose and repair OBDII code B1198, Left Side Front Curtain Air Bag Module Open?
Diagnosing this code typically involves inspecting the wiring and connections to the left side front curtain airbag module, as well as testing the module itself. Repair may involve fixing wiring issues, securing connections, or replacing the faulty airbag module.
6. Can resetting the OBDII code B1198 fix the issue?
Simply clearing the diagnostic trouble code without addressing the underlying problem will not resolve the issue. It is crucial to diagnose the root cause of the code and perform the necessary repairs to ensure the airbag system functions correctly.
7. Is it safe to attempt DIY repairs for OBDII code B1198?
Repairing airbag systems can be complex and dangerous if not done correctly. It is recommended to have this issue diagnosed and repaired by a qualified automotive technician with experience in handling airbag systems.
8. How much does it cost to fix OBDII code B1198, Left Side Front Curtain Air Bag Module Open?
The cost of repairing this code can vary depending on the specific cause of the issue. It may involve simple fixes like reconnecting a loose wire or more complex repairs such as replacing the airbag module. It is advisable to obtain a professional diagnosis to determine the exact cost.
9. Will OBDII code B1198 cause my vehicle to fail inspection?
In many regions, a fault code related to the airbag system, such as B1198, can cause a vehicle to fail a safety inspection. It is crucial to address this issue promptly to ensure compliance with safety regulations.
10. How can I prevent OBDII code B1198 from recurring in the future?
To prevent the recurrence of this code, it is essential to ensure that the airbag system components are properly maintained, connections are secure, and wiring is in good condition. Regular inspection and servicing of the airbag system can help prevent such issues.
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