OBD code B1150 indicates an issue with the Left Side Curtain Air Bag Module.
Symptoms include the Air Bag Warning Light being ON.
This is usually caused by a faulty module, open/shorted harness, or poor electrical connection.
It’s a serious safety concern.
To fix, inspect the module, wiring harness, and connectors for any damage or poor connections.
Repair Importance Level | 10.0 (Out of 10) |
Estimated Repair Time | Approximately 1.0 hour |
Repair Difficulty Level | 10.0 (Out of 10) |
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Symptoms of the b1150 OBD Code
The vehicle displays an airbag warning light on the dashboard with fault code B1150 stored.
- Symptoms: Air Bag Warning Light ON
Causes of the b1150 OBD Code
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Code B1150 typically indicates an issue with the occupant classification system in the vehicle.
- B1150 can be caused by a faulty Left Side Curtain Air Bag Module.
- A Left Side Curtain Air Bag Module harness that is open or shorted.
- A Left Side Curtain Air Bag Module circuit with a poor electrical connection.
Fixing Error Code b1150 Step By Step
To resolve fault code B1150, inspect and repair the driver airbag circuit as needed.
- To fix OBDII code B1150, first, review the possible causes related to this code.
- Visually examine the wiring harness and connectors associated with the airbag sensor system.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If no visible issues are found, perform a diagnostic scan tool test to pinpoint the exact cause of the code.
- Depending on the findings, you may need to replace the faulty airbag sensor, repair damaged wiring, or reset the airbag module.
- Be sure to clear the code after completing the necessary repairs to see if the issue has been resolved.
Cost Of Fixing b1150 Fault Code
Diagnosing and repairing fault code B1150 may involve inspecting and replacing the front airbag sensor.
The cost to diagnose and fix OBD code B1150 typically ranges from $75 to $150, with an estimated repair time of 1. 0 hour.
Factors affecting the cost include shop rates, complexity of the issue, and any additional parts or labor needed for the repair.
Details of the b1150 OBD Code
B1150 code indicates a problem with the occupant classification system in a vehicle.
OBD code B1150 means Side Airbag Sensor Assembly Communication Circuit Malfunction.
This code is triggered by the Airbag Sensor Assembly when it detects a communication circuit malfunction within the side airbag system.
The system involved is the communication circuit that allows the Airbag Sensor Assembly to communicate with other components in the side airbag system.
Mechanic’s Tech Notes
Code B1150 indicates an issue with the occupant classification system in the vehicle.
To diagnose and fix OBDII code B1150, start by checking the wiring harness and connectors related to the Occupant Classification System (OCS).
Use a voltmeter to test for proper voltage levels at the OCS module.
Inspect connector pins for any damage, corrosion, or poor connections.
Additionally, use a scan tool to communicate with the OCS module and check for any fault codes or data issues.
If necessary, reflash the OCS module to address any softwarerelated issues.
Remember to clear the code after making any repairs to see if it returns.
FAQ
OBD code B1150 indicates an issue with the Left Side Curtain Air Bag Module. Symptoms include Air Bag Warning Light ON. Check wiring and connectors for faults.
Common symptoms of OBD code B1150 include Air Bag Warning Light ON. Causes may be a faulty Left Side Curtain Air Bag Module or related wiring issues. Fix: Inspect and repair wiring and connectors.
Diagnose OBD code B1150 by checking left side curtain airbag module and harness for faults. Repair by inspecting wiring, connectors, and components for damage or corrosion.

Wrap Up
If your airbag warning light is illuminated and you retrieve OBDII code B1150, it may indicate a fault with the front airbag sensor assembly circuit.
This could be caused by a damaged sensor, faulty wiring connections, or a malfunctioning airbag control module.
To address OBDII code B1150, begin by inspecting the wiring harness and connectors associated with the front airbag sensor assembly.
Check for any signs of damage, corrosion, or loose connections.
Test the sensor for proper operation and replace any components that are found to be defective.