Airbag control unit with part number 95910-4H080

What is the function of the airbag control unit 95910-4H080?

The airbag control unit with part number 95910-4H080 is the central control module for the occupant protection system in the Hyundai H-1 TQ. It analyzes data from crash sensors, deploys airbags and seatbelt pretensioners in the event of a collision, and stores relevant crash data in its internal memory.

As the brain of the passive safety system, this module continuously evaluates signals from the vehicle’s acceleration sensors. If it detects a collision severe enough to require activation of restraint systems, it sends ignition commands to the appropriate airbags and seatbelt pretensioners within milliseconds.

After deployment, so‑called crash data is permanently stored in the control unit’s memory. The unit is typically installed in the center tunnel area near the gearshift lever.

Why does the control unit 95910-4H080 fail?

Failures of the 95910-4H080 control unit primarily occur after a crash due to stored crash data that triggers a lockout of the device. Other causes include internal electronic faults on the circuit board, which may manifest as error code B1000 or communication failures.

The most common cause of failure is the storage of crash data. Following an accident, the control unit is intentionally locked to prevent unintended re‑deployment. This lock can only be released through specialized repair procedures.

In addition, electronic components such as capacitors or other parts on the main circuit board may fail due to aging or voltage fluctuations. These issues lead to internal malfunctions that render proper operation impossible. The unit is compatible with related part number 95910-4H500, among others.

How do you recognize a defect in the 95910-4H080?

A defective 95910-4H080 airbag control unit primarily manifests as a constantly illuminated airbag warning light on the instrument cluster. Often, diagnostic equipment can no longer establish communication with the control unit, and error codes such as B1000 cannot be cleared.

The most obvious sign is the persistently lit airbag warning light. It fails to extinguish after starting the vehicle, indicating a serious fault stored in the system.

Another clear symptom is complete loss of communication. Workshops can no longer access the control unit with their diagnostic tools to read or erase errors. The B1000 error code (internal control unit fault) stored in the fault memory directly points to a defect within the device itself.

In some cases, additional atypical symptoms may appear, including a non‑functioning clock, total device failure when heated, or even a flashing engine check light. Before removal, a qualified workshop should always verify whether the control unit is indeed the source of the problem.

In which vehicles is the 95910-4H080 installed?

The airbag control unit with part number 95910-4H080 is specifically fitted in models manufactured by Hyundai. It is used in the Hyundai H‑1 TQ series from 2008 to 2018, as well as in the corresponding facelift model from 2018 to 2020.

At Airbag24, we professionally repair the 95910-4H080 control unit for the following specific vehicle models:

Hyundai H‑1 TQ (model years 2008–2018)

Hyundai H‑1 TQ Facelift (model years 2018–2020)

How is the 95910-4H080 airbag control unit professionally repaired?

At Airbag24, the 95910-4H080 control unit undergoes a professional analysis upon receipt. Repairs primarily involve erasing stored crash data and inspecting and replacing faulty electronic components. Two years' statutory liability for defects is provided for all repairs performed.

Upon receiving the removed control unit at Airbag24, an initial inspection is conducted. For accident‑damaged vehicles in particular, the primary repair focus is safely and completely removing crash data from the internal memory—this alone resolves the most common cause of failure.

In addition, electronic components on the circuit board are examined using state‑of‑the‑art diagnostic technology. Defective parts such as capacitors or other elements responsible for internal malfunctions are expertly replaced. Once repairs are completed, the control unit regains full functionality, comparable to a new component.