What is a Seat Ibiza SX Mk1 airbag control unit?
The Seat Ibiza SX Mk1 airbag control unit is the central safety unit in the vehicle, continuously monitoring sensors and activating all passive occupant restraint systems, including the airbags, in the event of an accident. It also stores important crash data, ensuring the proper functioning of the safety system.
This control unit forms the heart of the passive safety system in the Seat Ibiza SX Mk1. It is responsible for processing signals from crash sensors.
Its main task is to precisely control the airbag deployment in order to optimally protect the occupants.
Why is the Seat Ibiza SX Mk1 airbag control unit defective?
A Seat Ibiza SX Mk1 airbag control unit often fails due to internal component failures or a loss of communication with other vehicle systems, indicated by error codes such as B0091 and B1000. Also, the retention of crash data after an accident may require the module to be replaced or repaired to restore safety.
Internal malfunctions can be caused by aging components or overvoltages. These often lead to the control unit no longer successfully completing its self-diagnosis.
A failure can also be indicated by a permanently illuminated airbag warning light in the cockpit. In such cases, a precise diagnosis at the workshop is essential to determine the cause and repair the Seat Ibiza SX Mk1 airbag control unit.
Common error codes for Seat Ibiza SX Mk1 airbag control unit repair
When diagnosing a faulty Seat Ibiza SX Mk1 airbag control unit, error codes B1000 and B0091 are particularly relevant, as they indicate specific problems with the control unit itself. These codes indicate communication errors or internal hardware defects within the unit and are crucial for the Seat Ibiza SX Mk1 airbag control unit repair.
- B1000 → Control unit communication error → The airbag control unit cannot communicate correctly with other systems.
- B0091 → Airbag control unit internal error → The control unit itself has a defect or malfunction.
These specific codes help narrow down the source of the error to the control unit. Other, irrelevant error codes usually concern sensors or are specific to newer models.
What part numbers are available for the Seat Ibiza SX Mk1 airbag control unit repair?
For the Seat Ibiza SX Mk1 airbag control unit repair, the relevant and verified OEM part number is 1J0 909 603 from VW/Seat and the supplier part number 5WK4 163 from VDO/Siemens. These numbers guarantee correct fit and function for the specific Seat Ibiza SX Mk1 model.
The number 1J0 909 603 is the original part number used directly by the manufacturer VW/Seat.
The 5WK4 163 is the corresponding supplier number from VDO/Siemens, a well-known original equipment manufacturer, which is functionally identical.
Please note that other part numbers commonly offered online such as 6C0 959 655 L or 5QF959655N are not compatible with the Seat Ibiza SX Mk1 airbag control unit and belong to newer Ibiza generations.