Airbag control unit with part number 01393755080

What is the function of the airbag control unit 01393755080?

The airbag control unit with part number 01393755080 is the central control module for the occupant protection system in vehicles such as the Fiat Ducato III (250) and Opel Movano 250. It processes signals from crash sensors, deploys airbags and seatbelt pretensioners in the event of a collision, and stores relevant crash data.

As an ECU (Electronic Control Unit), it is responsible for the precise, split-second activation of restraint systems. It continuously monitors all connected components, from impact sensors to the airbag modules themselves.

The unit is compatible with systems from various manufacturers, including Bosch, Delphi, and TRW, ensuring seamless communication among the safety components.

Why does the control unit 01393755080 fail?

The most common cause of failure for the control unit 01393755080 is the storage of crash data after an accident, which causes the device to lock up. Other defects arise from internal electronic faults on the circuit board, water damage, or mechanical impacts that lead to communication failures.

After an airbag deployment, the unit permanently stores crash data and locks itself for safety reasons. This condition cannot be cleared using a standard diagnostic tool and requires professional repair.

Internal electronic faults are also a frequent cause. Defective components or faulty solder joints on the circuit board can result in persistent error codes such as B0100 (internal electronic fault), indicating a hardware issue.

External factors like moisture ingress through leaks in the vehicle or mechanical damage can likewise harm the sensitive electronics. Therefore, it is recommended to have the fault confirmed by a specialist workshop before removal to ensure the issue lies specifically with the control unit.

How do you recognize a defect in the 01393755080?

A typical defect of the control unit 01393755080 manifests as a constantly or intermittently illuminated airbag warning light. Often, communication with the control unit via a diagnostic tool becomes impossible, or specific error codes such as B0100 appear that cannot be cleared.

The most obvious sign is the active airbag warning light on the instrument cluster, signaling a malfunction in the safety system—often originating within the control unit itself.

Another clear symptom is complete loss of communication: workshops can no longer access the control unit with their diagnostic tools to read or erase errors.

Unclearable error codes are strong indicators of a hardware defect. Common entries include B0100 or B0100-49 (internal electronic fault), B0101 (supply voltage too low), or B0102 (ground connection defective).

In rarer cases, vehicle owners report accompanying symptoms such as a malfunctioning speedometer illumination or error messages related to the fuel shut-off valve, which may also point to a problem with the control unit.

In which vehicles is the control unit 01393755080 installed?

The airbag control unit 01393755080 is primarily used in commercial vehicles and similar models, notably the Fiat Ducato series 250, the Opel Movano, the Peugeot Boxer, as well as the Citroën Jumper and Jumpy III.

At Airbag24, we repair part number 01393755080 for numerous models across these platforms, with compatibility spanning multiple model years and facelifts.

Specifically, this control unit can be found in the following vehicles:

Fiat: Ducato III (series 250, including the first facelift 2011–2014, the second facelift 2014–2024, and the third facelift from 2023 onward)

Opel: Movano (series 250 from 2006–2011, series C from 2021 onward)

Citroën: Jumper, Jumpy III

Peugeot: Boxer

How does the repair of the 01393755080 proceed at Airbag24?

Repair at Airbag24 follows a standardized process: After removal and submission of the control unit, a professional diagnosis is performed. Defective components are then replaced, crash data is erased, and the unit is returned with 2 years’ statutory liability for defects upon successful final testing.

The process begins with the proper removal of the control unit from the vehicle. Please send the securely packaged unit along with the completed repair order.

Upon receipt at Airbag24, our technicians conduct a thorough analysis to identify the exact cause of the fault, ensuring that only genuinely defective units are repaired.

The refurbishment includes replacing faulty electronic components on the circuit board and professionally reprogramming the memory to erase stored crash data.

Finally, the control unit is tested on specialized test benches to ensure full functionality. You will receive a fully operational component covered by our 2 years’ statutory liability for defects.