Airbag control unit with part number 152300-4510

What is the function of the airbag control unit 152300-4510?

The airbag control unit 152300-4510 is a Denso OEM component and serves as the central electronic control unit for the safety system in the Daihatsu YRV M200. It continuously receives and analyzes data from vehicle sensors to make lightning-fast decisions about deploying airbags and seatbelt pretensioners in the event of a collision.

As the brain of the passive safety system, this module processes signals from crash sensors distributed throughout the vehicle. Within milliseconds of detecting a relevant impact, it calculates the severity of the collision and sends ignition pulses to the appropriate restraint systems.

Flawless communication between the sensors, wiring harnesses, and connectors of the airbag control unit is crucial. Even minor contact issues or wear at the connections can impair system functionality and trigger error messages.

What defects occur in the control unit 152300-4510?

Typical sources of failure for the control unit 152300-4510 are diverse, ranging from environmental factors such as water damage to electronic malfunctions. Stored crash data after an accident can also lock the module, necessitating professional repair. Connector issues are another common cause.

One of the most frequent causes of total failure is water damage or moisture ingress into the module, leading to corrosion and short circuits on the circuit board.

Mechanical wear often results in damaged or loose airbag connectors, causing contact problems. In particular, cable breaks caused by the constant movement of seats can disrupt communication.

External components, such as faulty crash or safety sensors, may falsely indicate a defect in the control unit or interfere with its operation.

After an accident, the control unit stores so‑called crash data in its internal memory. This data permanently locks the system, even if no external damage is visible. The module must then be professionally reset.

In addition, internal electronic malfunctions or defects in CAN‑bus connectors—caused by corrosion or broken pins—can compromise the control unit’s functionality.

How do you recognize a fault in the airbag system?

The primary sign of a fault in the airbag system is a constantly illuminated airbag warning light on the instrument panel. Often, the control unit can no longer be read via a diagnostic tool because communication is disrupted. Specific error codes are stored in the fault memory.

If the red airbag warning light does not turn off after starting the vehicle, it indicates an active, safety‑relevant fault in the system. In this state, the restraint system is typically deactivated.

Another clear symptom is when the workshop’s diagnostic tester cannot establish a connection to the airbag control unit. This points to a serious internal fault or a problem with the power supply or the CAN bus.

A defective module poses a significant safety risk. There is a danger that airbags and seatbelt pretensioners may fail to deploy in an accident, or—in rare cases—even activate unintentionally.

In which vehicles is the control unit 152300-4510 installed?

The Denso airbag control unit with part number 152300-4510 was specifically developed as an original equipment manufacturer (OEM) part for the Daihatsu YRV of the M200 series and was used during production years from 2000 to 2005. Repair is possible for this specific model.

At Airbag24, part number 152300-4510 is refurbished for the following model:

Daihatsu YRV (M200), manufactured from 2000 to 2005

How is the control unit 152300-4510 professionally repaired?

At Airbag24, repairs follow a systematic process: First, a digital diagnosis is performed using advanced technology to read all error codes. This is followed by a physical inspection and targeted repair of defective components, along with clearing crash data. Finally, full functionality is confirmed.

The first step always involves reading the fault memory. Specialists use up-to-date diagnostic software capable of accurately interpreting all specific error codes of the module.

Following the digital analysis, a physical examination of the circuit board, solder joints, and all connector contacts is conducted to identify mechanical or corrosion‑induced defects.

A key part of the repair is often resetting the stored crash data. Using specialized software, this data is erased from the control unit’s internal memory—typically achievable directly through the OBD‑II interface in about 95% of cases, thereby reactivating the system.

If a hardware defect is detected, only the affected electronic components are repaired or replaced selectively. This approach is significantly more cost-effective than replacing the entire unit. Each repair comes with 2 years' statutory liability for defects.

Is it worth repairing control unit 152300-4510?

Yes, repair is the most economical solution. Compared to purchasing an expensive new part—often costing several hundred euros—reconditioning offers substantial savings. Moreover, the repaired original control unit can be reused in your vehicle without time-consuming reprogramming.

The cost of a repair amounts to just a fraction of what a new control unit would cost. For example, new parts from manufacturers like BMW can exceed 500 euros. Repair is therefore a budget-friendly and sustainable alternative.

As this is a safety-critical component, repairs should be carried out exclusively by qualified specialists with relevant expertise. This ensures that the airbag system functions perfectly reliably after restoration.