What is a Mazda2 DE airbag control unit?
The Mazda2 DE airbag control unit is the central safety unit in your vehicle, controlling all occupant restraint systems such as airbags and seatbelt pretensioners in the event of a collision. It continuously monitors sensors, stores important crash data, and is essential for the proper functioning of all airbag modules in the vehicle to ensure passenger safety.
This electronic module is specifically designed for the second-generation Mazda2 (DE models from 2007 to 2014) and should only be checked by a specialist workshop if defects are found.
It receives signals from impact sensors and initiates rapid activation of the safety systems if necessary.
Why is the Mazda2 DE airbag control unit defective?
A Mazda2 DE airbag control unit is often defective because it stores crash data after an accident, which inhibits its function. Because internal electronic errors or age-related wear and tear can also affect the control unit, a prompt Mazda2 DE airbag control unit repair is essential for your vehicle's safety.
This crash data prevents the airbag warning light from being reset, even if there is no current fault.
Other reasons for failure may include electrical surges or defects in internal circuits.
Common error codes for Mazda2 DE airbag control unit repair
Certain error codes in your Mazda2 DE's airbag system directly indicate problems with the airbag control unit. A successful Mazda2 DE airbag control unit repair involves professionally clearing these codes, which are often stored after a collision or indicate internal malfunctions in the control unit itself.
- B1000 → Control unit communication error → Typically a problem with the internal communication of the airbag ECU.
- B1994 → Electrical fault in the airbag control unit (side airbag driver's side) → Indicates a defect in the control unit area for the side airbag.
- U303 → Internal Airbag Control Unit Error → A generic code indicating a malfunction within the airbag control unit itself.
What part numbers are available for the Mazda2 DE airbag control unit repair?
For Mazda2 DE airbag control unit repairs, specific OEM part numbers are crucial to ensure correct compatibility with your vehicle. These verified numbers identify the original Mazda2 DE control unit and are essential for precise diagnosis and successful repair, as they define the exact specification of the module.
The most frequently cited and verified OEM part numbers for the Mazda2 DE airbag control unit are:
- 2S6T-14B056-EN : A frequently cited OEM part number, specifically for the Mazda2 DE from Mazda itself.
- DF73-57K30B : Another OEM number from Mazda, suitable for the second generation Mazda2 (model year 08/07–12/14).
- GC1M-57-K30 : An OEM manufacturer number from Temic (Bosch), a supplier of airbag control units for the Mazda2.
These numbers ensure that the repair is performed on the correct module and that full functionality can be restored.