Citroën Jumper I airbag control unit repair

What is a Citroën Jumper I airbag control unit?

The Citroën Relay I airbag control unit is the central safety unit that activates all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors sensors, stores relevant crash data, and ensures the proper functioning of all safety-relevant modules in the vehicle.

As an integral part of the passive safety of the Citroën Jumper I type 230/244, this control unit ensures the protection of the vehicle occupants.

It processes signals from impact sensors to quickly deploy the airbags if necessary and is relevant for models from approximately 1994 to 2014.

Why is the Citroën Jumper I airbag control unit defective?

A Citroën Relay I airbag control unit often fails because internal electronic components fail or because unalterable crash data is stored after an accident, blocking the system. Communication errors in the vehicle's network can also cause a failure, activating the airbag warning light.

Because the control unit is damaged internally, error codes such as B0100 or B0102 may occur, indicating an irreparable defect.

This often results in the airbag warning light illuminating and the entire system becoming inoperable, requiring urgent repair at a workshop or replacement.

Communication errors via the CAN bus, such as U0019, can also render the Citroën Jumper I airbag control unit inoperable and require diagnosis.

Common error codes for Citroën Jumper I airbag control unit repair

Common error codes during Citroën Relay I airbag control unit repairs directly indicate problems within the airbag ECU or its communication, allowing for precise diagnosis and subsequent repair. These codes often signal internal defects or communication problems that are critical to safety and require immediate attention.

• B0100 → Control unit defective / internal electronic error → Internal defect of the airbag control unit
• B0102 → Internal error in the airbag control unit → Electronic malfunction in the control unit
• B0200 → Internal error in the airbag control unit → System error in the airbag ECU
• U0019 → CAN bus communication faulty → Data transmission fault on the CAN line to the control unit
• U1703 → Communication with instrument cluster faulty → Failure of the data connection to the instrument cluster
• U1726 → Communication error in the network → General fault in the network communication of the control unit

What part numbers are available for Citroën Jumper I airbag control unit repair?

For a successful Citroën Jumper I airbag control unit repair, it is crucial to use the exact original part number or a certified OEM alternative. Compatibility is ensured by serial number matching and manufacturer specifications to avoid malfunctions or failure.

• 01371009080 (PSA) – Original part, compatible with Jumper I
• 01394332080 (PSA) – Original part, identical to 01371009080 (same series)
• 1370978080 (FIAT) - Original OEM number, compatible Jumper 2011-2014
• 1608428080 (FIAT) – Alternative OEM, equivalent to 1370978080
• 1356791080 (PSA / TRW) – TRW supplier OEM number, serial confirmed
• 5WK43154 (Continental) – OEM supplier, OE comparison number 1328447080
• 1328447080 (PSA Original) – Original PSA OE number, equal to 5WK43154 supplier
• 1681929180 (PSA Original) – Original PSA new part for airbag control unit Jumper I
• 5WK42810 (Continental) – OEM supplier, reference number 1321119080
• 1321119080 (PSA Original) – Original PSA number, equal to 5WK42810
• 1608005680 (PSA) – Original PSA number, suitable Jumper I