Airbag control unit with part number D10E-57K30

What does the airbag control unit D10E-57K30 do?

As the control unit of the restraint system (SRS) of Mazda, the unit D10E-57K30 evaluates the signals from the crash sensors. In an accident it decides within milliseconds which airbags and seatbelt pretensioners are triggered. After an accident, it stores crash data and locks itself.

The unit monitors the entire system continuously. It passes on detectable faults to the driver via the airbag warning light.

Why does the control unit D10E-57K30 fail?

The most common cause with the D10E-57K30 is crash data lying in the unit after an accident, even if no airbag has deployed. Further causes lie in components and connections.

A common diagnostic tester cannot delete crash data; Airbag24 takes on this work during the repair.

Ageing electronics and cold solder joints concern the inside of the unit. Moisture and corrosion at plug connectors act from the outside, while voltage spikes, for example from a weak battery or jump-starting, additionally load the electronics.

How can you tell that the D10E-57K30 is defective?

A defect in the D10E-57K30 makes itself noticed through the airbag warning light, a fault message in the instrument cluster, a missing connection to the diagnostic tool, or a fault memory that cannot be cleared.

• Airbag warning light that stays on permanently or intermittently
• Fault message in the instrument cluster
• Diagnostic tool without a connection to the control unit
• Fault memory that cannot be cleared

If these signs appear, airbags and seatbelt pretensioners may possibly fail to deploy in an emergency. An examination by a specialist workshop then provides clarity.

Which vehicles is the D10E-57K30 fitted in?

The D10E-57K30 is fitted in these vehicles: Mazda CX-3 DK (from 2015).

The list below shows the assignment as a list.

• Mazda CX-3 DK (from 2015)

Comparing the part number on the label with this page only shows that the unit fits. Whether it is defective is shown only by the fault memory read out, which also clarifies whether a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 0285 012 246, D10E-57-KM0C, D10E-57-KM0E, D10E-57-KM0G, D10J57K30, DB4F57K30A.

How does the repair of the D10E-57K30 work?

You begin by reading out the fault memory of the D10E-57K30 and enclose the log. Then disconnect the battery, and only then remove the control unit. Online you create the repair order and send the well-packed unit.

At Airbag24 the control unit is examined, defective components are replaced and the crash data is deleted. Finally a functional test takes place, then your own unit returns to you.

Examining, repairing and testing take 3–4 working days as a rule at Airbag24. Our repairs come with 2 years' statutory liability for defects. The repaired control unit comes back with all vehicle data and is ready for use as soon as it is refitted — no coding or programming is required.

How does the control unit D10E-57K30 get to Airbag24?

The D10E-57K30 reaches Airbag24 by parcel or with a UPS collection booked for an extra charge. Airbag24 takes care of the return journey after the repair by UPS.

The shock-proof packed control unit goes into shipping together with the printed repair order.