What is a Hyundai Elantra J1 airbag control unit?
The Hyundai Elantra J1 airbag control unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It continuously monitors sensors, stores relevant crash data, and ensures the proper functioning of all airbag modules and seatbelt pretensioners in the vehicle to protect occupants.
This SRS (Supplemental Restraint System) module is an integral part of the passive safety system of your Hyundai Elantra J1 series.
It evaluates data from crash sensors in real time and makes lightning-fast decisions about the deployment of airbags and other safety devices.
After an accident, the control unit stores diagnostic information and crash data for later analysis.
Why is the Hyundai Elantra J1 airbag control unit defective?
The Hyundai Elantra J1 airbag control unit may be defective because it stores crash data after an accident, preventing it from being reused without a professional reset, or because internal electronic errors, water damage, or age-related wear and tear impair its functionality. This often results in a permanently illuminated airbag warning light.
After an airbag is deployed, the module stores irreversible crash data that prevents further functioning.
Common causes also include internal memory errors, communication problems with other vehicle systems or physical damage such as water ingress.
Faults in the power supply or corrosion on the connectors can also lead to a failure of the Hyundai Elantra J1 airbag control unit.
Common error codes for Hyundai Elantra J1 airbag control unit repair
During Hyundai Elantra J1 airbag control unit repairs, specific error codes often occur. These indicate internal module problems, communication failures, or memory errors and require a precise diagnosis. These codes are crucial for identifying the exact defect.
- B1000 → Control unit communication error → Interruption of data transmission to or from the airbag ECU.
- B162000 → Control unit error → Internal error or communication problem in the airbag control unit itself.
- B140900 → Memory error in the airbag control unit → Problem with the internal memory of the module, often after an accident.
- B141000 → Internal control unit error → General malfunction within the airbag control unit.
- B173200 → Control unit error due to malfunction → The module is not working correctly due to an internal fault.
- C128602 → Airbag ECU circuit monitoring error → Problem in the airbag control unit circuit.
What part numbers are available for the Hyundai Elantra J1 airbag control unit repair?
For Hyundai Elantra J1 airbag control unit repairs, the exact OEM part number 95910-A5150 from Hyundai is the only confirmed and verified part number for the complete airbag control unit. Alternative supplier or Bosch part numbers are not publicly available for this specific module.
The original Hyundai OEM part number for the airbag control unit for the Elantra J1 (2014-2018) is 95910-A5150.
This number is listed in professional spare parts databases as the correct airbag control unit and has been validated many times.
It is important to use this exact OEM number because other part numbers often refer to sensors or other airbag components, not the central control unit.
Compatible models for Hyundai Elantra J1 airbag control unit repair
The Hyundai Elantra J1 airbag control unit repair with part number 95910-A5150 is primarily intended for the Hyundai Elantra J1 series (model years 2014-2018), although similar model years may also be compatible. Exact part number matching is crucial for functionality.
This control unit is designed for Hyundai Elantra models of the J1 series from 2014 to 2018.
Some newer Hyundai Elantra models, such as the 2020 Elantra GT or 2024 Elantra Sedan, may also have compatible variants depending on equipment and regional specifications.
It is essential to match the existing part number of your defective module with the number provided to ensure correct function.
Installation position and special features of the Hyundai Elantra J1 airbag control unit repair
The Hyundai Elantra J1 airbag control unit repair requires precise procedures: The module is usually located under the center console or the vehicle floor, requires the battery to be disconnected before removal, and must be reprogrammed vehicle-specifically after installation because it is VIN-coded and stores crash data.
In the Hyundai Elantra, the airbag control unit is typically located in the vehicle interior below the center console or on the vehicle floor.
Before removing the airbag, it is essential to disconnect the vehicle battery and wait at least three minutes to prevent accidental deployment of the airbags.
After an accident or replacement, the module must be professionally repaired (crash data erased) and then programmed to the vehicle-specific chassis number (VIN), as it is not pre-programmed at the factory.
A professional Hyundai Elantra J1 airbag control unit repair includes erasing all stored crash data and an EEPROM rebuild of the module to restore full functionality and passenger safety.