Airbag control unit with part number 95910-H1200

What is the function of the airbag control unit 95910-H1200?

The airbag control unit with part number 95910-H1200, manufactured by Sungwoo, serves as the central control module for the occupant protection system in the Hyundai Terracan HP. It processes data from crash sensors, activates airbags and seatbelt pretensioners in the event of a collision, and manages the vehicle’s fault and crash data memory.

As the “brain” of the passive safety system (SRS), this module continuously monitors signals from the vehicle’s acceleration and pressure sensors. It must determine within milliseconds whether a collision has occurred that necessitates deploying the restraint systems.

Its primary function is to trigger the ignition charges of airbags and pyrotechnic seatbelt pretensioners at precisely timed intervals. At the same time, it records all system-relevant faults as well as irreversible crash data following an accident, enabling subsequent analysis and locking out the system.

Why does the control unit 95910-H1200 fail?

The most common cause of failure for the 95910-H1200 control unit is the storage of crash data after an accident, which triggers an internal, non-erasable lockout. Other causes include internal hardware defects leading to communication interruptions or persistent error messages, requiring component-level repair.

Following a crash, the control unit writes a so‑called “crash event” into its internal EEPROM memory. This information locks the module to prevent re‑activation until it is professionally reset or replaced. This condition cannot be resolved through standard workshop diagnostics.

In addition, hardware defects may occur directly on the circuit board itself. Faulty power supply ICs, defective memory chips, or damaged traces caused by moisture or vibration can render the control unit unresponsive or cause internal self‑tests to fail.

How do you recognize a defect in the 95910-H1200?

A defect in the 95910-H1200 control unit primarily manifests as a permanently illuminated airbag warning light. Often, communication with diagnostic equipment also becomes impossible, or non‑erasable fault codes such as “crash data stored” or “internal control unit error” appear.

The clearest symptom is the airbag warning light in the instrument cluster, which fails to extinguish after starting the vehicle. This indicates that the entire SRS system is disabled and would not deploy in the event of a crash.

Another clear sign is the entry “crash data stored” in the fault memory, which cannot be cleared using standard diagnostic tools. The system remains locked even if all external components, such as airbags and sensors, have already been replaced.

In more severe cases, the control unit refuses any communication via the OBD interface. It can no longer be detected by diagnostic equipment, suggesting a more serious internal electronic malfunction.

In which models is the 95910-H1200 installed?

The airbag control unit 95910-H1200 is specifically used in vehicles manufactured by Hyundai. At Airbag24, we repair this module for the Hyundai Terracan HP series, including the facelift model, restoring full functionality to the safety system.

We offer repairs for the following models and series:

Hyundai Terracan HP (model years approx. 2001–2004)

Hyundai Terracan HP Facelift (model years approx. 2004–2006)

How does the repair of the 95910-H1200 work at Airbag24?

After sending the removed control unit to Airbag24, a comprehensive analysis is performed on the test bench. Our technicians read out the internal memory, reset the stored crash data, and, if necessary, rectify any hardware defects. Following a final functional test and with a 12-month warranty, the module is returned to the customer.

First, a diagnosis should be carried out at a workshop to rule out external faults in sensors or wiring. The Terracan’s control unit is typically located in the center tunnel near the gearshift lever. When removing it, strict adherence to airbag safety protocols is essential, particularly disconnecting the vehicle battery.

Upon receipt at Airbag24, the module undergoes an initial visual inspection. Specialized hardware is then used to read out the internal EEPROM/Flash memory and selectively remove the crash lockout. If hardware defects are present, faulty components are expertly replaced.

A final functional test on the test bench simulates operation inside the vehicle, ensuring the control unit communicates flawlessly and passes its internal self‑test successfully. All repairs come with a 12-month warranty.

Is it worth repairing the 95910-H1200?

Yes, repair is an economically and technically sensible alternative to the costly purchase of a new unit. You save significantly on costs and retain the original vehicle coding, eliminating the need for time-consuming reprogramming. Additionally, reusing valuable electronics helps protect the environment.

The cost savings compared to a new original part are substantial. Repairing or resetting the crash data costs only a fraction of the price of a new component.

A key advantage is preserving the original coding. Since the vehicle’s control unit is repaired, all vehicle-specific configurations remain intact. After repair, the module can usually be reinstalled without further coding work (plug-and-play).

Reusing the existing control unit also reduces electronic waste and conserves valuable resources, making repair a sustainable solution.

What shipping options does Airbag24 offer?

For repairing your control unit, you can either send the package to us free of charge yourself or arrange a convenient UPS pickup. For return shipping, Airbag24 provides free UPS standard shipping as well as optional express shipping. Both options are also available with cash-on-delivery; alternatively, you can pick up the unit in person.

For outbound shipping, you can pack the securely packaged control unit and send it to us yourself. Alternatively, you can book an online UPS pickup at your preferred location and time.

Return shipping is standardly provided free of charge via UPS standard service. If faster delivery is required, UPS Express or UPS Express with cash-on-delivery are available for an additional fee. Self-collection at our branch is also possible.