Airbag control unit with part number 1342894080

What is the function of Airbag Control Unit 1342894080?

The Airbag Control Unit 1342894080 is the central control module for the occupant protection system in Peugeot Boxer models. It processes signals from crash sensors to deploy airbags and seatbelt pretensioners in the event of a collision. As an original Peugeot OEM part, it is designed for Boxer generations I, II, and III.

As the brain of the passive safety system, this control unit continuously monitors data from sensors distributed throughout the vehicle. If it detects a collision exceeding predefined thresholds, it sends ignition commands to the appropriate restraint systems within milliseconds.

This includes not only front and side airbags but also pyrotechnic seatbelt pretensioners and monitoring of seatbelt buckle switches. Therefore, the proper functioning of this component is critical for the safety of all vehicle occupants during an accident.

Why does Airbag Control Unit 1342894080 fail?

Defects in Control Unit 1342894080 are primarily electronic in nature. The most common causes include internal control unit malfunctions, indicated by fault codes such as B1001, B0100, or B0102, as well as the storage of crash data after an accident. Faults in the seatbelt buckle switch (B101C) can also point to a defect within the unit.

A major cause is an internal hardware failure on the circuit board. This often results in the storage of fault codes like B1001, B0100, or B0102, which indicate an irreparable internal fault and activate the airbag warning light.

Following a collision, the control unit stores so‑called crash data. This data permanently locks the unit, preventing further deployment even after the vehicle has been repaired. Such a lock can only be lifted through professional repair.

Another well‑known issue involves the activation of seatbelt buckle switches. The B101C fault code for the driver’s or passenger’s side often does not indicate a defective buckle but rather a fault within the airbag control unit itself.

Related or alternative part numbers for this system include 1356791080 and 1357312080. Specifically for the Peugeot Boxer I, the Bosch/Fiat number 1321119080 was also used.

How do you recognize a faulty Airbag Control Unit 1342894080?

The primary symptom of a defective Control Unit 1342894080 is a constantly illuminated airbag warning light in the Peugeot Boxer’s cockpit. Often, communication with the control unit via a diagnostic tool is no longer possible. Occasional warning lights may also signal an emerging defect.

The most obvious sign is the persistently lit airbag warning light on the instrument panel. It fails to turn off after starting the vehicle, indicating a safety‑critical system error that results in a significant deficiency during the main inspection.

In many cases, a workshop cannot establish a connection to the airbag control unit. The diagnostic tool reports a communication error, making it impossible to read or clear fault codes, thereby complicating troubleshooting.

In which models is Control Unit 1342894080 installed?

The Airbag Control Unit with part number 1342894080 is an original OEM part specifically designed for various generations of the Peugeot Boxer. Compatibility spans the first, second, and third series, including all facelifts. At Airbag24, this control unit is professionally repaired for the models listed below.

At Airbag24, we repair part number 1342894080 for the following Peugeot Boxer models:

Peugeot Boxer I (model years 1994–2002)

Peugeot Boxer II (model years 2001–2006)

Peugeot Boxer III (model years 2006–2011)

Peugeot Boxer III 1st Facelift (model years 2011–2014)

Peugeot Boxer III 2nd Facelift (model years 2014–2024)

Peugeot Boxer III 3rd Facelift (from 2023 onward)

How is Control Unit 1342894080 professionally repaired?

Repairing Control Unit 1342894080 at Airbag24 is a well‑established process. Upon receipt, the unit undergoes inspection to confirm the defect. Restoration involves replacing faulty electronic components and erasing stored crash data. The unit is then fully restored to working condition and returned with 2 years’ statutory liability for defects.

Before removal, a specialized workshop should verify that the fault lies unequivocally within the control unit. A diagnostic report or detailed fault description enclosed with the shipment helps technicians perform a rapid analysis.

After submission to Airbag24, the unit undergoes an initial inspection. Technicians examine the circuit board, replace defective electronic components, and reset stored crash data to factory settings. Finally, a functional test ensures proper operation.

Each repair comes with 2 years' statutory liability for defects.

Is it worth repairing control unit 1342894080?

Yes, repairing airbag control unit 1342894080 is an economically sensible alternative to purchasing a new one. While a new unit reportedly costs between 750 and 800 euros according to the manufacturer, repair is significantly more affordable. Additionally, there’s no need for time-consuming re-coding, and the repair is covered by 2 years’ statutory liability for defects.

The biggest advantage is the substantial cost savings compared to buying a new part, which often ranges from 750 to 800 euros. Repair offers a budget-friendly solution without compromising safety or quality.

Since the original vehicle-specific control unit is refurbished, no re-coding or programming at the workshop is required after installation. The repaired unit functions immediately as before—plug-and-play.

Furthermore, refurbishment is a sustainable option that helps avoid electronic waste and conserves valuable resources. With 2 years’ statutory liability for defects on the work performed, repair provides a safe and reliable alternative.