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Airbag24

Mazda Mazda3 BP Airbag Control Unit Repair

Mazda Mazda3 BP Airbag Control Unit Repair at Airbag24

Airbag24 repairs defective airbag control units professionally and affordably. Both private customers and workshops can order without registration and benefit from fast processing, 2 years' statutory liability for defects and plug&play installation.

Airbag24 works with state-of-the-art diagnostic technology and specialised repair processes. Because defective control units often involve only individual components, a professional overhaul can be considerably cheaper than buying new.

Our advantages: no registration required, a direct online ordering process for B2B and B2C customers, express shipping and comprehensive quality testing. The repaired control unit works like a new part.

Repair type

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4.8
Google reviews of our shop(246)

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Matching part numbers

Your part number isn't listed? The list isn't complete – we can usually repair it anyway. Simply create a repair order, or ask us first.

Repair time

Our estimated repair time for this product is about: 3–4 business days

Which repair matches your fault code?

Below your code you can see what needs to be done.

Your error code isn't listed? The list isn't complete – we can usually repair it anyway. Simply create a repair order, or ask us first.

Specifications

Make
Mazda
Model
Mazda Mazda3
Series
BP (2019-XXXX)
Mazda Mazda3 BP
Photo: Vauxford · CC BY-SA 4.0 · cropped

Shipping & repair from Germany

Airbag24 repairs your component in Berlin — usually within 3–4 working days.

Standard shipping within Germany is free; we normally return your part by UPS.

You pay for and insure the inbound shipment to us. On explicit request we ship by express — the extra cost is borne by the customer.

If you withdraw from the contract, you bear the cost of returning the item.

Google reviews

4.8
Based on 246 reviewsView all reviews →

What is a Mazda Mazda3 BP airbag control unit?

The Mazda Mazda3 BP airbag control unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It monitors sensors, stores crash data, and ensures the proper functioning of all airbag modules in the vehicle, playing a crucial role in the safety of the vehicle's occupants.

This module, also called the SRS module, collects precise impact data and decides whether to deploy the driver, passenger, side, and curtain airbags. It is an integral part of your Mazda3 BP's passive safety system.

The control unit also coordinates the activation of the seat belt pretensioners and ensures they function correctly in an emergency. Compatibility with the Front Passenger Occupant Classification System optimizes passenger airbag deployment.

Why is the Mazda Mazda3 BP airbag control unit defective?

A Mazda Mazda3 BP airbag control unit often fails because crash data is permanently stored after an accident, activating the airbag warning light and preventing normal function. Internal errors or age-related failure of the electronics can also require repair to restore full safety.

The most common reason for failure is the storage of crash data after a collision, even for minor impacts. This data blocks the system, causing the airbag warning light to remain permanently illuminated and the airbag system to no longer function.

Internal electronic defects, voltage spikes, or simple wear and tear can also cause the module to malfunction. A faulty control unit must be professionally diagnosed and repaired to restore full safety functionality.

Common error codes for Mazda Mazda3 BP airbag control unit repair

The primary and most common error code requiring a Mazda Mazda3 BP airbag control module repair is B1342. This code indicates that crash data is stored in the control module, triggering an error message and disabling the airbag system until the data is erased or the module is repaired.

  • B1342 → Crash data stored → The control unit has permanently stored impact information after an accident. This blocks the error log and prevents the system from activating.
  • System malfunction → Airbag warning light active → After an error code, the airbag warning light lights up continuously, indicating a failure or necessary repair of the system.

What part numbers are available for the Mazda Mazda3 BP airbag control unit repair?

For the Mazda Mazda3 BP airbag control unit repair, the manufacturer part numbers BCKA-57-K30F and BCKA-57-K30G are stored. These numbers belong to airbag control units of this model. The part number is printed on the label of the airbag control unit and can be stated in the repair order. Please check the label against these two numbers.

The numbers refer to the control unit itself, not to sensors or other airbag components.

Important information for repairing the Mazda Mazda3 BP airbag control unit

Repairing a Mazda Mazda3 BP airbag control unit is a highly sensitive matter that should only be performed by trained specialists. During this, the stored crash data is professionally erased. After the repair, the control unit is immediately ready for use again — coding, programming, or calibration is not necessary.

The control unit is configured specifically for the vehicle model and year of manufacture. These configurations are retained during repair. After overhaul, the device returns with its original settings and is ready for operation – no reprogramming necessary.

To prevent accidental activation and ensure safety, the vehicle battery must be disconnected before installing or removing the module. Only entrust your Mazda Mazda3 BP airbag control unit repair to a specialized workshop.

4.8

Based on 246 reviews

What our customers say

„Ok.“

Zsolt SzabóZsolt Szabólast week

„Works like a charm!“

LeolyLeolylast month

„Everything went perfectly, I can only recommend it.“

Automatically translated · Original: German

ka irgendwaska irgendwas2 days ago

„From the first phone call, the order processing, to the shipping everything was done very quickly and professionally. Now I still have to send the repaired unit to the Swedish workshop and then hopefully the Honda can fi…“

Automatically translated · Original: German

Gerd GoldammerGerd Goldammer3 days ago

„Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!“

Automatically translated · Original: German

Christian MaegerleinChristian Maegerlein5 days ago

„Everything worked out great! Read out fault memory, sent it in, received offer and sent in the defective control unit. Got it back repaired after 3 days, price exactly as in the offer. It can't get any better 👍“

Automatically translated · Original: German

Toni BuienToni Buien6 days ago

„Uncomplicated service. Fast and thorough. Can only recommend.“

Automatically translated · Original: German

Abdul KSAbdul KS6 days ago

„All great👍“

Automatically translated · Original: German

Edin AvdicEdin Avdiclast week

„All great, fast delivery. Thanks.“

Automatically translated · Original: German

Andrej IvanovAndrej Ivanovlast week

„100% satisfied. Everything handled very professionally and transparently. Only the return shipping took too long. This was however due to UPS and less to Aairbag24. Thank you very much“

Automatically translated · Original: German

Dennis WeDennis Welast week

„VAG airbag control unit with error B2000 00 reliably repaired. Price very high in comparison, but everything worked out. No exact protocol of what was carried out, probably just newly flashed“

Automatically translated · Original: German

Tokeh TokehTokeh Tokehlast week

„A great shop, even when there are sometimes problems. There are quick responses and very good help. I can only recommend the shop. Thank you very much“

Automatically translated · Original: German

Sven WegenerSven Wegenerlast week

„Ok.“

Zsolt SzabóZsolt Szabólast week
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