Airbag control unit with part number 95940-L5101

What is the function of the airbag control unit 95940-L5101?

The airbag control unit with part number 95940-L5101 is the central control unit (SRS ECU) for the passive safety system in the Kia K5, DL3 series, from model year 2019 onward. It processes 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 restraint system, this module is responsible for monitoring all safety‑related components. It ensures that the system remains continuously operational and alerts the driver to internal faults via the SRS warning light. Storing crash data after a collision is a key function, but it often results in the system becoming locked until the data is professionally reset.

Why does the airbag control unit 95940-L5101 fail?

The most common cause of failure for control unit 95940-L5101 is stored crash data following an accident, which locks the system. In addition, internal electronic malfunctions—such as defective microprocessors, capacitors, or short circuits on the circuit board—can lead to partial or complete system failure.

After a collision in which airbags or seatbelt pretensioners have deployed, the control unit permanently disables further operation for safety reasons. This lock can only be lifted by performing a targeted reset of the crash data.

Besides accidents, purely electronic faults may also occur. These include internal errors often indicated by fault code B1620, as well as defects in individual components. External factors such as water damage, broken wiring, or faulty connectors can likewise trigger malfunctions.

How do you recognize a defect in control unit 95940-L5101?

A defect in control unit 95940-L5101 primarily manifests as the airbag warning light (SRS light) remaining steadily illuminated or flashing in the instrument cluster. Another clear sign is the lack of communication with diagnostic equipment, preventing error codes from being read or cleared.

The most noticeable symptom is the persistent SRS warning light that does not turn off even after the engine has started. In some cases, it flashes for a specific period—e.g., 30 seconds—before staying lit continuously.

A serious indication is when a workshop cannot establish communication between the diagnostic tool and the control unit. Stored fault codes, such as B1347 (driver’s airbag resistance too low) or B1481 (resistance too high), can no longer be erased because the module becomes locked after a crash.

In rarer instances, a defect may produce atypical symptoms, such as a malfunctioning speedometer. A non‑functional control unit always means a deactivated airbag system, posing a significant safety risk and requiring immediate inspection.

In which vehicles is control unit 95940-L5101 installed?

The airbag control unit with part number 95940-L5101 was specifically developed for Kia models. At Airbag24, we professionally repair this control unit for the third‑generation Kia K5 (DL3), produced starting from model year 2019.

At Airbag24, we service part number 95940-L5101 for the following model:

Kia K5 (DL3 generation, from model year 2019)

How is control unit 95940-L5101 professionally repaired?

Professional repair at Airbag24 includes precise diagnostics, resetting stored crash data, and replacing defective electronic components on the circuit board. Following restoration, the control unit undergoes a comprehensive functional test and is then fully operational again, backed by a 12‑month warranty.

Before removal, it is recommended to have a specialist workshop confirm whether the fault truly lies with the control unit. Upon sending the unit to Airbag24, an initial analysis is performed, using specialized equipment to read the fault memory and pinpoint the exact cause.

The core of the repair involves erasing crash data and replacing any damaged components, such as microprocessors or capacitors. Subsequently, flawless functionality is verified through a simulation inside the vehicle. This process offers a cost‑effective and sustainable alternative to the expensive purchase of a new original part.

What shipping options does Airbag24 offer?

You can send your control unit to Airbag24 free of charge for repair, or take advantage of our convenient UPS pickup service. For return shipping, we provide free standard UPS delivery as well as faster express options, including cash‑on‑delivery. Personal collection is also available.

For the outbound shipment, you have a choice: you can take the package to the post office yourself or arrange for UPS to pick it up at a location of your choice.

For the return shipment, Airbag24 offers free standard UPS shipping as default. If you need it faster, you can opt for UPS Express shipping. Both options are also available with cash-on-delivery. Alternatively, you can pick up the repaired control unit directly on-site.