Airbag control unit with part number 95910-G2000

What is the function of the airbag control unit 95910-G2000?

The airbag control unit with part number 95910-G2000 is the central control module of the occupant safety system (SRS) in the Hyundai Ioniq of the AE series. It processes data from crash sensors and is responsible for precisely deploying airbags and seatbelt pretensioners in the event of a collision, thereby protecting occupants.

As the heart of the safety system, this module continuously collects and analyzes data from various acceleration and yaw rate sensors throughout the vehicle. When it detects a collision requiring deployment, it sends ignition signals to the corresponding airbag modules and seatbelt pretensioners within milliseconds.

At the same time, it performs continuous self-diagnosis of the entire SRS. If faults are detected in components such as sensors, wiring, or the airbags themselves, the airbag warning light illuminates and an appropriate diagnostic trouble code is stored to alert the driver.

Why does the airbag control unit 95910-G2000 fail?

A failure of the 95910-G2000 control unit is usually caused by stored crash data following an accident, which prevents reactivation. Other causes include internal electronic component failures, communication issues on the CAN bus, or non‑erasable fault codes (e.g., B1XXX, U1XXX), indicating a hardware defect within the device itself.

The most common cause is the storage of crash data. After airbags or seatbelt pretensioners have deployed, the control unit becomes internally locked. This condition cannot be cleared using standard diagnostic tools and requires specialized chip-level intervention.

Another frequent issue is internal hardware malfunctions. Fault codes such as B1XXX or U1XXX, along with messages like “internal SRS error,” often point to defective microcontrollers or capacitors on the circuit board. These components may fail due to aging or voltage spikes.

External factors—such as moisture from water damage, reverse polarity during jump-starts, or mechanical damage to the housing or connector pins—can also lead to total failure or communication problems on the CAN bus. Similar defects are known in related part numbers like 95910-GI110 or 95910-39900, which are installed in other models.

How do you recognize a fault in the 95910-G2000?

A faulty 95910-G2000 control unit primarily manifests as a permanently illuminated or flashing airbag warning light (SRS light) in the instrument cluster. Often, the control unit can no longer be accessed by diagnostic tools (communication failure), or persistent, non‑erasable fault codes such as “internal error” remain stored.

The most obvious sign is the active airbag warning light, indicating a problem with the safety system and meaning that airbags will not deploy—or will not deploy correctly—in the event of a crash.

Another clear symptom is the absence of communication. When diagnostic devices like OBD scanners, TECH2, or BOSCH testers cannot establish a connection with the airbag control unit and display messages such as “No communication with control unit,” this suggests a serious internal defect.

Stored fault codes that cannot be erased are also typical. Especially after an accident, crash data remains permanently saved, and the warning light can only be deactivated after professional repair of the control unit.

In which vehicles is the 95910-G2000 installed?

The airbag control unit 95910-G2000 is specifically designed for Hyundai models. At Airbag24, our repair focus is on the Hyundai Ioniq AE series (model years 2016–2019) and its facelifted variant, the Hyundai Ioniq AE (model years 2019–2022), where this unit is fitted.

At Airbag24, we repair the 95910-G2000 control unit for the following specific models:

Hyundai Ioniq AE (2016–2019)

Hyundai Ioniq AE Facelift (2019–2022)

How is the 95910-G2000 professionally repaired?

At Airbag24, the 95910-G2000 control unit undergoes a thorough professional diagnosis upon receipt. Technicians resolve the fault by replacing defective electronic components and erasing crash data. Final functional tests confirm full operability. Two years' statutory liability for defects is provided on all repairs.

Upon arrival at Airbag24, the control unit is first examined using specialized measurement equipment to pinpoint the exact cause of the malfunction. The fault memory is read out, and communication over the CAN bus is tested.

Subsequently, repairs are performed at the component level. Defective parts such as microcontrollers or capacitors are replaced. Stored crash data is securely and completely removed from the device’s memory chip, ensuring the control unit regains full functionality.

After repair, each unit undergoes a comprehensive functional test. During this process, all relevant signals are simulated to ensure proper operation under real-world conditions. Thanks to this procedure, the control unit is ready for immediate use (plug-and-play) upon installation.