Airbag control unit with part number F152 57 K30 D

What does the airbag control unit F152 57 K30 D do?

The airbag control unit F152 57 K30 D is the central control unit of the restraint system (SRS) for Mazda. It evaluates the signals from the crash sensors and decides within milliseconds in the event of an accident which airbags and seatbelt pretensioners are triggered. After an accident, it stores crash data and locks itself.

The control unit monitors the restraint system continuously. If it detects a fault, it reports this via the airbag warning light in the instrument cluster.

Why does the control unit F152 57 K30 D fail?

The most common cause is crash data stored after an accident, even if no airbag has deployed. Other causes include aged electronic components, cold solder joints, moisture and corrosion on plug connections, and voltage spikes. On the control unit F152 57 K30 D, deleting the crash data is often not possible; if you would like it deleted, get in touch with Airbag24 briefly before sending the unit in, so that the part number can be checked.

After an accident, the unit saves crash data to its memory and keeps it there.

Electronic components age over time, and cold solder joints can cause contact problems.

Moisture and corrosion on plug connections disrupt signal transmission. Voltage spikes, for example from a weak battery or a jump start, can put strain on components.

How can you tell that the F152 57 K30 D is defective?

A fault on the F152 57 K30 D shows up in the airbag warning light, which stays on permanently or intermittently, and in a fault message in the instrument cluster. A diagnostic tool then gets no connection to the control unit. In an emergency, the airbags and seatbelt pretensioners may not deploy.

These signs point to a fault in the system:

• The airbag warning light stays on permanently.
• The airbag warning light only lights up intermittently.
• A fault message appears in the instrument cluster.
• The diagnostic tool gets no connection to the control unit.
• The fault memory cannot be cleared.

Which vehicles is the F152 57 K30 D fitted in?

The F152 57 K30 D is fitted in these vehicles: Mazda RX-8 SE3P (2003-2009) and SE3P Facelift (2009-2012). This makes it possible to check against your vehicle.

The following vehicles are listed for this control unit:

• Mazda RX-8 SE3P (2003-2009)
• Mazda RX-8 SE3P Facelift (2009-2012)

Compare the part number on the label of the removed unit with this page; this only confirms that it is the right unit. Also have the fault memory read out beforehand, because only the findings show whether the control unit is faulty or whether a connector or cable is the cause.

For the same vehicles, we also repair control units with the part numbers F15257-K30C, FE01 57 K30 A.

How does the repair of the F152 57 K30 D work?

First have the fault memory read out, then disconnect the battery and only after that remove the control unit F152 57 K30 D. Enclose the log with the unit, create a repair order online and send in the well-packed unit.

Airbag24 checks the unit on the test bench, replaces defective components and carries out a function test. Checking, repairing and testing at Airbag24 usually take 3–4 working days. If you would like the crash data deleted, get in touch with Airbag24 briefly before sending the unit in. Your own unit is then sent back to you. 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 F152 57 K30 D get to Airbag24?

You send the control unit F152 57 K30 D in as a parcel, or book a UPS collection for an extra charge. After the repair, Airbag24 sends the unit back to you by UPS.

Put the printed repair order into the parcel and pack the unit shockproof.