What is a Skoda Felicia Combi Mk1 airbag control unit?
The Skoda Felicia Combi Mk1 airbag control unit is the central safety unit that precisely triggers all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors sensors, stores important crash data, and signals errors via the warning light.
This SRS control unit is specifically designed for the first generation Skoda Felicia Combi (1995-2001, model code 6U). It is designed for vehicles with driver and passenger airbags and is not compatible with newer models.
The installation location is usually under the passenger seat or in the center console to ensure short cable runs. A professional diagnosis or repair of the airbag control unit is essential for proper function.
Why is the Skoda Felicia Combi Mk1 airbag control unit defective?
The Skoda Felicia Combi Mk1 airbag control unit often fails due to internal memory errors that lock the unit and cannot be erased. Communication problems or a low supply voltage can also cause failure. This makes a Skoda Felicia Combi Mk1 airbag control unit repair unavoidable.
Because the device constantly monitors the sensors and wiring, even the smallest electrical fluctuations or hardware defects can lead to a failure. This is often indicated by the permanently illuminated airbag warning light in the cockpit.
Especially after an accident, the control unit is locked, even if it is mechanically intact. However, even without a crash, an internal error can damage the control unit, requiring specialized diagnosis and repair.
Common error codes for Skoda Felicia Combi Mk1 airbag control unit repair
During Skoda Felicia Combi Mk1 airbag control unit repairs, specific error codes often occur that indicate internal defects or communication problems. Codes such as "Internal Memory Error" (65535) or "Control Unit Communication Error" (B1000) are typical and require precise diagnosis.
- B1000 → Control unit communication error → The airbag ECU cannot communicate correctly with the diagnostic tool or other control units.
- 65535 (FFFF) → Internal memory error in the control unit → An irreparable defect in the internal memory of the control unit, often an indication of a broken device.
- 00532 → Supply voltage signal too low → Insufficient electrical voltage at the control unit, possibly due to wiring problems or an internal error.
- B200000 → Airbag control unit locks without an accident → The control unit is in a locked state for no apparent reason, which cannot be deleted and means a failure.
What part numbers are available for the Skoda Felicia Combi Mk1 airbag control unit repair?
For the Skoda Felicia Combi Mk1 airbag control unit repair, two precisely matching and authenticated part numbers are primarily relevant. These are the OEM number 1J0 909 603 (VW/Skoda) and the Bosch supplier original number 5WK4163, which identify the only proven compatible control units.
Part number 1J0 909 603 is the official OEM number used directly by VW/Skoda for the airbag control unit in the Felicia Combi Mk1. It is manufactured by Bosch.
The Bosch part number 5WK4163 is the corresponding original supplier number and is absolutely identical in function and compatibility. No other verified third-party OEM part numbers were found for this specific model.
These two numbers are the only ones that, after intensive research and validation, have been deemed 100% compatible for a reliable Skoda Felicia Combi Mk1 airbag control unit repair.