Airbag control unit with part number 95400-1J450

What is the function of the airbag control unit 95400-1J450?

The airbag control unit with part number 95400-1J450 is the central control module for the passive safety system (SRS) in the SsangYong XLV. It continuously processes data from impact sensors and is responsible for precisely and reliably deploying the airbags and seatbelt pretensioners in the event of a crash.

As an OEM control unit (Original Equipment Manufacturer), it is specifically tailored to the vehicle architecture of the SsangYong XLV (X155). Its primary task is to monitor all components of the Supplemental Restraint System (SRS) to ensure occupant safety at all times.

The module analyzes signals from acceleration and pressure sensors. When a collision exceeds predefined thresholds, it sends ignition pulses to the corresponding airbag modules and pyrotechnic seatbelt pretensioners to provide optimal protection for occupants.

Why does the control unit 95400-1J450 fail?

The most common cause of failure for the control unit 95400-1J450 is the storage of crash data after an airbag deployment. Other causes include internal electronic malfunctions, such as faulty wiring, loose connectors, or board defects that prevent communication with the device.

Following a crash in which airbags or seatbelt pretensioners have deployed, the control unit permanently stores a fault record (“crash data stored”). As a safety precaution, this entry disables the unit’s functionality. A professional repair allows for the targeted deletion of this data, restoring full operation.

Electronic faults can manifest in various ways, including broken traces on the circuit board, cold solder joints, or issues with internal components. External factors like water damage or voltage fluctuations can also lead to failure and trigger internal errors.

In repair contexts, variants such as part number 95400-1J450-0K are sometimes mentioned; these are technically closely related and may exhibit similar fault patterns. Accurate diagnosis is essential to pinpoint the exact source of the problem.

How do you recognize a defect in the 95400-1J450?

A defect in the airbag control unit 95400-1J450 primarily manifests as a permanently illuminated airbag warning light on the instrument cluster. Typically, the control unit can no longer be accessed via diagnostic equipment (no communication), or an internal error code is stored in the fault memory.

The clearest indication is the active SRS warning light, signaling to the driver that the entire restraint system is disabled and that airbags would not deploy in the event of a crash. Driving under these conditions poses a significant safety risk and requires immediate inspection at a workshop.

Often, workshops can no longer establish a connection to the control unit. Diagnostic requests via the OBD interface remain unanswered, complicating precise fault analysis and pointing directly to a severe internal malfunction of the module.

In which vehicles is the 95400-1J450 installed?

The airbag control unit with part number 95400-1J450 is specifically designed for models from the South Korean manufacturer SsangYong. It is mainly used in the SsangYong XLV SUV of the X155 series. Airbag24 offers professional repair services for this control unit.

At Airbag24, we repair part number 95400-1J450 for the following specific vehicle model:

SsangYong: XLV (X155 series, from model year 2016 onward)

How is the 95400-1J450 professionally repaired?

Repair of the control unit 95400-1J450 at Airbag24 includes precise diagnostics, professional deletion of stored crash data, and rectification of electronic faults. Following a final functional test, the unit is returned with 2 years' statutory liability for defects.

After submitting the removed control unit to Airbag24, an initial incoming inspection is performed. Technicians read out the device to determine the exact cause of the fault—whether it’s a stored crash data record or an internal hardware defect.

The core of the repair lies in restoring full functionality. Stored crash data is erased at the chip level. For electronic faults, defective components on the circuit board are identified and replaced by qualified technicians.

Subsequently, the control unit is tested on a specialized test bench to simulate the correct operation of all systems. Only when all tests pass is the unit approved for return shipment and fully ready for reinstallation in the vehicle.