Airbag control unit with part number 96421041

What is the function of the airbag control unit 96421041?

The airbag control unit with part number 96421041 is the central control module for the occupant protection system in the Daewoo Tico KL (1991–2001). As an OEM part with Bosch reference 0 285 010 058, it evaluates signals from crash sensors and, in the event of a collision, deploys the airbags and pretensioners.

This control unit continuously monitors all components of the safety system, including front and side sensors, the airbag ignition circuits, the seatbelt pretensioners, and the airbag warning light in the instrument cluster.

In the event of a collision, the unit’s electronics determines within milliseconds whether and which restraint systems need to be activated to provide optimal occupant protection. After deployment, it permanently stores the relevant crash data.

Why does control unit 96421041 fail?

The most common cause of failure for control unit 96421041 is the storage of crash data after an accident, which causes the unit to become internally locked. Other causes include electronic malfunctions due to internal component defects, water damage, corrosion, or accidental reversal of the power supply polarity.

Following a collision in which airbags or seatbelt pretensioners have deployed, the control unit becomes blocked. This lockout is designed by the manufacturer and cannot be reset using standard diagnostic equipment. Professional repair is required to restore factory settings.

Electronic faults can also occur without an accident. Internal board defects, cold solder joints, or failure of memory chips can likewise lead to malfunction.

External factors such as moisture ingress cause corrosion on sensitive electronic components and circuit traces, potentially resulting in short circuits and total failure.

How do you recognize a fault in control unit 96421041?

A defect in the airbag control unit 96421041 primarily manifests as a constantly illuminated or flashing airbag warning light (SRS lamp). Often, communication with the control unit via diagnostic tools is no longer possible, and error codes such as U1XXX, B1XXX, or “control unit defective” cannot be cleared.

The clearest indication is the airbag warning light on the dashboard, which fails to turn off after the engine starts. This signals a critical system error, preventing the airbags from deploying in an emergency.

In the workshop, the fault often becomes apparent when diagnostic tools like TECH2 or other OBD testers cannot establish a connection to the control unit. The unit does not respond to queries, making further vehicle diagnostics impossible.

Even if communication is possible, error codes indicating an internal fault in the control unit are frequently stored. These codes cannot be permanently erased, leaving the warning light active.

In which vehicles is control unit 96421041 installed?

The airbag control unit with part number 96421041 and its associated Bosch reference 0 285 010 058 was specifically developed for the Daewoo Tico of the KL series. At Airbag24, we offer professional repair services for this control unit, which is installed in the following models.

The control unit is exclusively found in the following vehicle model:

Daewoo: Tico KL (model years 1991–2001)

How does repair at Airbag24 work?

Repair of control unit 96421041 at Airbag24 includes professional analysis of the root cause, elimination of electronic faults, and restoration to factory settings, including deletion of crash data. Following a final functional test, the unit is returned ready for installation.

The process begins with the proper removal of the control unit. It is essential to disconnect the vehicle battery beforehand and wait at least 10 minutes. In the Daewoo Tico, the unit is typically located beneath the center console, under the seats, or in the footwell.

Upon receipt at Airbag24, our technicians perform a thorough diagnosis to identify the source of the fault. Subsequently, stored crash data is erased, and any hardware defects in internal components are precisely repaired.

The repaired control unit undergoes comprehensive quality and functionality testing. Once successfully tested, it is immediately ready for reinstallation. After installation, only the vehicle’s fault memory needs to be cleared. We provide a 12-month warranty on all repairs.

What shipping options are available at Airbag24?

You can either ship your control unit to Airbag24 free of charge yourself or arrange a convenient UPS pickup. For return shipments, we offer free UPS standard delivery as well as faster express options, both available with cash-on-delivery. Self-collection is also possible.

Return shipping to Airbag24: You can choose to send the removed control unit to us yourself, or create the shipping order directly online and arrange for UPS pickup at your preferred location.

Return shipping to you: By default, we ship your repaired unit back to you free of charge via UPS Standard delivery (1–3 business days). If you need it faster, the following options are available:

UPS Express delivery (1–2 business days)

UPS Standard delivery with cash on delivery (1–3 business days)

UPS Express delivery with cash on delivery (1–2 business days)

Alternatively, you can pick up the repaired control unit in person from our facility.