What is a Citroën ë-Jumpy III airbag control unit?
The Citroën ë-Jumpy III airbag control unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It monitors sensors, stores crash data, and ensures the proper functioning of all airbag modules in the vehicle. This component is essential for the passive safety of your van.
This critical control unit forms the brain of the passive safety system in your Citroën ë-Jumpy III. It continuously processes signals from crash sensors to accurately detect the severity and direction of an impact.
When a collision is detected, the airbag control unit deploys the airbags and seatbelt pretensioners within milliseconds. This lightning-fast response significantly increases occupant safety in an emergency.
A fully functional airbag control unit is of utmost importance for road safety. A malfunction of this unit can compromise the entire safety system and prevent the necessary deployment in an emergency.
Why is the Citroën ë-Jumpy III airbag control unit defective?
A Citroën ë-Jumpy III airbag control unit often fails due to internal electronic errors or due to crash data stored after an accident that triggers an error message. A failure can also be caused by communication problems in the vehicle's network or a faulty power supply, which requires immediate diagnosis.
A common cause of failure is an internal electronic defect, often stored in the error log as "B0100" or "B0100-49." Such internal errors make a professional Citroën ë-Jumpy III airbag control unit repair essential.
After a collision, the control unit stores crash data that prevents reset and activates the airbag warning light. In such cases, a specific repair is required to erase the crash data before the system can function again and no longer display an error.
Power supply or ground connection issues can also cause the airbag control unit to fail or malfunction. This often manifests as erratic behavior or complete failure, requiring detailed diagnostics.
Communication problems in the CAN bus, often indicated by error code U1726, also indicate a problem with the airbag control unit itself. Such a problem requires specialized repair by a qualified workshop.
Common error codes for Citroën ë-Jumpy III airbag control unit repair
When diagnosing a defective Citroën ë-Jumpy III airbag control unit, specific error codes appear that directly indicate problems with the control unit itself. Correctly reading these codes is the first step toward successfully troubleshooting the problem and requiring the necessary repair or maintenance of the module at a specialist workshop.
- B0100 → Control unit defective → Internal electronic error in the airbag ECU.
- B0100-49 → ECU Internal Error → Indicates a serious malfunction within the airbag control unit.
- B0101 → Supply voltage below threshold → The airbag control unit is not receiving enough power.
- B0102 → Malfunction / open circuit or voltage loss in the ground circuit → Problem with the grounding or internal function of the control unit.
- U1726 → No communication with airbag control unit → The airbag control unit is not communicating correctly with other systems in the vehicle, often a sign of a failure.
What part numbers are available for the Citroën ë-Jumpy III airbag control unit repair?
For Citroën ë-Jumpy III airbag control unit repairs, there are several verified OEM part numbers that ensure compatibility with your vehicle model. These numbers are crucial for identifying the correct replacement or repair part for your airbag control unit and ensuring a smooth replacement should your current module fail.
Finding the correct part number is the first step in replacing or repairing a faulty or broken airbag control unit. Here are the most important OEM part numbers relevant to the Citroën ë-Jumpy III:
01393755080 (PSA / Valeo?) – One of the most frequently cited and verified OEM numbers for the airbag control unit of the Citroën Jumpy III, relevant for the **Citroën ë-Jumpy III airbag control unit repair**.
9467160889 (PSA / Valeo?) – Another relevant OEM number that also applies to third generation Jumpy models and is eligible for **repair**.
1496611080 (PSA) – This number is listed in professional repair databases and is often relevant for repairing the airbag control unit.
1496611080 AE (PSA) – A specific variant of the previously mentioned PSA part number that is also suitable for repair.
01371008080 (PSA) – Another OEM part number that fits this model and can be found when **diagnosing** faults.
0285010557 (Bosch) and 0285010556 (Bosch) – These Bosch numbers are typical supplier OEM numbers for the airbag control unit in the ë-Jumpy III.
1401407880-00 (PSA) and 1401407980-00 (PSA) – Other valid PSA part numbers for the airbag system of this model.
1494533080 (PSA) – This number completes the list of compatible OEM airbag control units for the ë-Jumpy III, the repair of which is often possible.
Be sure to check the exact part number of your faulty control unit to ensure compatibility. A professional **diagnosis** at a specialized **workshop** can assist with this before performing a **Citroën ë-Jumpy III airbag control unit repair**.