Airbag control unit with part number 152300-8750

What is the function of the airbag control unit 152300-8750?

The airbag control unit 152300-8750 from manufacturer Denso is the central control module for the occupant restraint system (SRS) in the Daihatsu Cuore L251 (2003–2007). It processes data from crash sensors and is responsible for precisely and reliably deploying airbags and seatbelt pretensioners in the event of a collision.

As a safety-critical component, it continuously monitors all SRS components, including front and side airbags, seatbelt pretensioners, as well as their associated sensors and ignition circuits.

Its primary task is to evaluate acceleration and collision data in real time. Based on this information, the unit determines whether and which restraint systems need to be activated to provide optimal protection for occupants.

Why does the control unit 152300-8750 fail?

The most common cause of failure for the control unit 152300-8750 is the storage of crash data after an accident in which airbags or seatbelt pretensioners were deployed. Other defects include internal malfunctions that prevent communication with diagnostic tools, or physical damage caused by water ingress or short circuits.

Following a collision, the unit is internally locked to prevent unintended re‑deployment. This lock, triggered by stored crash data, disables the entire system and must be professionally reset to restore full functionality.

A further typical issue is complete loss of communication. The control unit no longer responds to requests from diagnostic devices such as OBD-II or TECH2. Common causes include internal component failures—such as processor, memory chip, or capacitor malfunctions—which can result in error codes like U1XXX or B1XXX.

Physical factors like corrosion on pins due to water damage, short circuits in the vehicle’s electrical system, or reverse polarity during jump-starts can also lead to severe electronic damage. An alternative OEM part number for this component is 89170-B2280.

How do you recognize a fault in the 152300-8750?

A malfunction of the airbag control unit 152300-8750 primarily manifests as a permanently illuminated or flashing airbag warning light on the instrument cluster. Often, communication via the diagnostic interface is also lost, making it impossible to read out the fault memory.

The clearest indication is the active SRS warning light. This signals a system error and fails to extinguish after engine start-up, indicating that the control unit has been deactivated.

When workshops attempt to read the fault memory, they often encounter failure. The control unit becomes unreachable to diagnostic tools, complicating troubleshooting within the vehicle and pointing directly to an internal defect in the control module.

In some cases, specific error codes are stored in the fault memory, referencing issues with side sensors, power supply, or CAN bus malfunctions—even though the root cause lies within the control unit itself.

In which vehicles is the control unit 152300-8750 installed?

The airbag control unit with part number 152300-8750 is specifically designed for models manufactured by Japanese automaker Daihatsu. It was primarily used in a particular model series to manage the safety system fitted therein.

At Airbag24, we professionally repair the control unit 152300-8750 for the following model:

Daihatsu: Cuore L251 (model years 2003–2007)

How does the repair of the 152300-8750 proceed at Airbag24?

The repair of the control unit 152300-8750 at Airbag24 focuses on addressing the specific root cause of the fault, such as stored crash data or internal defects. Following a professional diagnosis, the data is reset and defective components replaced, followed by a final test to ensure full functionality.

Upon receipt of the control unit at Airbag24, a comprehensive analysis is first conducted. Technicians read out the internal fault memory to pinpoint the exact cause of the malfunction—whether it’s a crash lockout or an electronic component failure.

The core of the repair often involves resetting the stored crash data using specialized software, restoring original functionality without requiring re‑coding in the vehicle (plug & play).

If hardware defects are present—such as faulty capacitors, sensors, or other electronic components—these are expertly replaced. The unit then undergoes a thorough functional test before being returned to the customer. We offer a 12-month warranty on all repairs.

What shipping options does Airbag24 offer?

Airbag24 provides flexible shipping options for sending in and returning your control unit. You can either ship the device yourself free of charge or arrange a paid UPS pickup. For returns, both free standard and paid express options are available, each with cash-on-delivery as an additional choice.

For the outbound shipment, you can either pack and send the defective control unit yourself or book the convenient UPS pickup service at your preferred location.

After successful repair, the return shipment is provided free of charge by default via UPS Standard (1–3 business days).

If you need it faster, you can opt for UPS Express shipping (1–2 business days). Both shipping methods are also optionally available with cash-on-delivery. Alternatively, personal collection on-site is also possible.