What is a Ford Ka Mk3 airbag control unit?
The Ford Ka Mk3 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 precisely monitors sensor data, stores important crash information, and ensures the correct and safe operation of the entire airbag system for the Ford Ka Mk3.
This electronic component processes signals from crash and acceleration sensors in the vehicle.
Within milliseconds, it triggers the passive safety systems if necessary to protect occupants.
The intact function of this control unit is crucial for vehicle safety and passing the general inspection.
Why is the Ford Ka Mk3 airbag control unit faulty?
The Ford Ka Mk3 airbag control unit often becomes faulty because it stores crash data after an accident, which causes it to stop working, or because internal electronic faults such as communication problems occur, which paralyze the system and activate the airbag light.
Often an impact causes the control unit to irrevocably store crash data, making reprogramming or repairing the Ford Ka Mk3 airbag control unit necessary.
Internal malfunctions or power supply disruptions can also cause the system to fail.
Problems in the CAN bus communication with other control units are another cause of a defect or a non-erasable error message.
Common error codes for Ford Ka Mk3 airbag control unit repair
During the Ford Ka Mk3 airbag control unit repair, specific error codes occur that indicate internal problems or communication failures rather than sensor or belt pretensioner faults, allowing for targeted diagnosis of the control unit.
- B0101 → Airbag control unit voltage supply error → Problems with the electrical supply to the ECU.
- U1726 → Communication error with airbag control unit → No data transmission possible via the CAN bus.
- B0100 → Internal airbag control unit error (CAN bus) → Malfunctions in the internal system or bus communication.
What part numbers are available for the Ford Ka Mk3 airbag control unit repair?
For the Ford Ka Mk3 airbag control unit repair, the exact Ford OEM part number 51889815 is the primary and confirmed variant. Other specific OEM or supplier part numbers for this model have not been verified.
This part number identifies the original airbag control unit intended for the Ford Ka Mk3.
After an accident or malfunction, repairing this specific unit is often the most economical solution, as new parts are no longer available.
Repairing the Ford Ka Mk3 airbag control unit with this part number will restore full functionality of the safety system and clear the fault memory.