Airbag control unit with part number 9652275880

What is the function of the airbag control unit 9652275880?

The airbag control unit 9652275880 is the central control module for the occupant protection system (SRS) in various Peugeot 206 models. It processes signals from crash sensors to deploy airbags and seatbelt pretensioners in the event of a collision, while also storing relevant event data such as crash information.

As the heart of the vehicle’s passive safety system, this unit—also known as the SRS ECU (Supplemental Restraint System Electronic Control Unit)—is responsible for continuously monitoring the operational readiness of all connected components.

In addition to front and side airbags, these components include seatbelt pretensioners and seat occupancy detection. If a fault occurs in the system, the control unit activates the airbag warning light on the dashboard to alert the driver.

Why does the airbag control unit 9652275880 fail?

A failure of the 9652275880 control unit is often caused by stored, non‑erasable crash data following an accident, which locks the system. Other causes include internal electronic defects such as faulty SMD components, short circuits on the circuit board, corrupted memory chips, or broken traces.

After a collision, the control unit stores so‑called crash data. This data locks the unit and prevents it from re‑triggering until it is professionally reset. This is one of the most common reasons why the unit is sent in for repair, as otherwise the airbag warning light remains illuminated.

Independently of accidents, purely electronic components on the circuit board can also fail. These include defective SMD parts, internal short circuits, or damaged memory chips (EEPROMs) that store the operating software and vehicle configuration. Such hardware faults lead to internal errors and communication problems.

How do you recognize a defect in the 9652275880 control unit?

The most common indication of a defective airbag control unit 9652275880 is a permanently illuminated or intermittently flashing airbag or SRS warning light on the instrument cluster. Often, specific diagnostic trouble codes—such as communication errors, software faults, or coding issues—can be read from the vehicle’s fault memory.

The primary symptom is the activated airbag warning light, signaling that the restraint system is either not functioning at all or only partially functional, potentially failing to deploy correctly in the event of a crash.

When reading the fault memory with a diagnostic tool, specific error codes are frequently displayed. According to technical analysis, codes indicating communication errors, software faults, or coding problems directly point to an internal defect within the control unit.

Another clear sign is that the airbag warning light cannot be cleared after repairing damage from an accident. This is due to the crash data permanently stored in the control unit.

In which models is the airbag control unit 9652275880 installed?

The airbag control unit with part number 9652275880 is specifically used in various versions of the Peugeot 206. At Airbag24, we repair this control unit for the entire model range, including the sedan, station wagon (SW), coupé‑convertible (CC), as well as the sporty GTI and RC models.

Compatibility covers the entire first generation of the Peugeot 206. At Airbag24, this control unit is repaired for the following specific vehicle variants:

Peugeot 206 I (1998–2003) and facelift (2003–2009)

Peugeot 206 GTI I

Peugeot 206 RC I

Peugeot 206 SW I (1998–2003) and facelift (2003–2009)

Peugeot 206 CC I (1998–2003) and facelift (2003–2009)

How is the 9652275880 control unit repaired?

After sending the removed 9652275880 control unit to Airbag24, a professional incoming inspection is performed to diagnose the fault. The repair includes replacing defective electronic components, restoring damaged traces, and resetting the memory—including securely erasing crash data. Following a successful functionality test, the unit is returned with 2 years’ statutory liability for defects.

For efficient diagnosis, it is recommended to read the fault memory before removal and enclose the printout with the package. Upon receipt at Airbag24, the control unit undergoes a comprehensive analysis to identify the exact cause of the failure.

The technical repair focuses on the hardware: defective SMD components are replaced, broken traces are repaired, and the device’s memory is rewritten. A key step is the proper deletion of stored crash data, enabling reuse of the original unit.

Finally, each repaired control unit undergoes a thorough functional test to ensure proper operation. All repairs are covered by 2 years' statutory liability for defects.