Airbag control unit with part number 9660349980

What is the function of the airbag control unit 9660349980?

The airbag control unit with part number 9660349980 is the central control module for the occupant protection system in various Peugeot models. As an original OEM component from PSA, it processes data from crash sensors and, in the event of a collision, decides whether to activate airbags and seatbelt pretensioners to protect vehicle occupants.

Technically speaking, this control unit is the brain of the entire airbag system. It continuously monitors sensors in the vehicle—such as acceleration sensors—to reliably detect a collision and trigger the necessary restraint systems within milliseconds.

It is directly connected to the airbag igniters and pyrotechnic seatbelt pretensioners. Therefore, flawless operation is essential for passive vehicle safety.

In the aftermarket, this component is also known by the related part number 602327300, which is likewise used in models such as the Peugeot 206 and 206+.

Why does the control unit 9660349980 fail?

In most cases, failure of the control unit 9660349980 is due to internal electronic defects on the main circuit board. Faulty components such as capacitors or the microcontroller itself, as well as defective solder joints, can completely disable the device, necessitating repair at the component level.

Unlike faults caused by stored crash data, these failures are often due to aging or material-related hardware issues. The electronic components experience wear over many years of operation, potentially leading to total failure.

A professional repair therefore focuses on identifying and replacing the defective components. Precise soldering work restores the control unit without requiring an expensive new part or time-consuming reprogramming of the vehicle.

How do you recognize a defect in the airbag control unit 9660349980?

A defect in the control unit 9660349980 is unmistakably indicated by a permanently illuminated airbag warning light on the instrument cluster. Additionally, diagnostic tools may be unable to establish communication with the control unit or display an internal, non‑erasable error code.

The primary and clearest sign is the red airbag warning light. It does not turn off after starting the vehicle, signaling that the entire restraint system is disabled and will not function in the event of a crash.

Another common symptom encountered in workshops is the control unit’s refusal to communicate. When a technician attempts to read the fault memory via the OBD interface, the device no longer responds, indicating a serious internal malfunction.

In which vehicles is the control unit 9660349980 installed?

The airbag control unit 9660349980 is a specific component for vehicles manufactured by the PSA Group and is primarily found across several Peugeot model series. This includes, in particular, the Peugeot 206 compact car across multiple generations, as well as the Peugeot J5 van.

At Airbag24, we repair part number 9660349980 and its equivalent variant 602327300 for the following models:

Peugeot: 206 I (model years 1998–2003), 206 I facelift (model years 2003–2009), 206 GTI I and J5 I (model years 1994–2002), especially the bus version (280 P).

How does the repair of the control unit 9660349980 proceed?

The repair process at Airbag24 is designed for efficient, long-lasting restoration. After sending us your defective control unit, our technicians perform a detailed electronic analysis, fix hardware defects at the component level, and return the tested unit to you with 2 years' statutory liability for defects.

Once the defective control unit has been removed from the vehicle and securely packaged, simply send it to Airbag24. Prior registration is not required—just include the completed repair order.

At Airbag24, the unit first undergoes an incoming inspection to verify the reported fault. This is followed by professional repair, during which faulty electronic components such as capacitors or microprocessors are replaced with new, high-quality parts.

Finally, a comprehensive functional test ensures that the control unit operates flawlessly once again. All internal error codes previously associated with the defect are cleared, so the unit is ready for immediate installation.