What is a Mazda Atenza GG airbag control unit?
The Mazda Atenza GG airbag control unit is the central safety unit that precisely controls the deployment of all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of a collision. It continuously monitors sensor data and stores important crash information, ensuring optimal safety system function in your Mazda 6 GG.
This safety-relevant component is essential for protecting vehicle occupants. It processes signals from acceleration and crash sensors to activate the necessary safety measures in milliseconds. Without a functioning control unit, the entire airbag system is inactive.
Developed for the Mazda Atenza / Mazda 6 GG model series, this control unit covers models from approximately 2002 to 2008. It is compatible with various engine and transmission variants of this generation. Correct function is essential for vehicle approval and your safety.
Why is the Mazda Atenza GG airbag control unit defective?
The Mazda Atenza GG airbag control unit is often defective because it permanently stores crash data after an accident, which can cause the system to lock up. Internal hardware errors, water damage, or power surges can also cause failure, causing the airbag warning light to illuminate and the safety system to deactivate.
A common cause of a malfunction is the storage of crash data after an impact, even in minor accidents. This data prevents the airbag system from reactivating until it is professionally erased or the device is repaired. A Mazda Atenza GG airbag control unit repair is necessary in these cases.
Internal control unit defects, which manifest themselves through specific error codes, are also common. Aging-related fatigue of the electronics or even moisture in the vehicle interior can damage the sensitive circuit board. Such failures require professional diagnosis and repair.
Common error codes for Mazda Atenza GG airbag control unit repair
During Mazda Atenza GG airbag control unit repair, specific error codes directly indicate problems with the airbag control unit. These codes indicate internal control unit defects or communication problems. They signal that immediate repair of the module is required to restore full system safety.
- 1 : SRS - Control Unit → Indicates a general internal error of the airbag control unit.
- 2 : SRS - Control Unit → Indicates another internal defect within the airbag ECU.
- 18 : Control circuit error → Indicates a problem in the internal circuit of the airbag module, often associated with the warning light.
- 91 : SRS - Warning light → Indicates a fault that directly affects the function of the airbag warning light.
- FC:1 : Control unit defective → Special code that indicates a comprehensive defect in the control unit, often after a crash.
What part numbers are available for the Mazda Atenza GG airbag control unit repair?
For Mazda Atenza GG airbag control unit repairs, several specific OEM part numbers are relevant to ensure exact compatibility with your vehicle model. These include original Mazda numbers and supplier identification. All identify the airbag control unit for the Mazda 6 GG and are essential for replacement or repair.
- GJ6A57K30A : Mazda → Genuine OEM part number, widely used for Mazda 6 GG.
- 3326245 : Supplier (Autoliv verm.) → Frequently used supplier number corresponding to GJ6A57K30A.
- G31A57K30B : Mazda → Alternative original OEM number, also suitable for Mazda 6 GG.
- 3326259 4I02J : Supplier → Another supplier identification for used airbag control units of the Mazda 6 GG.
Technical specifications of the Mazda Atenza GG airbag control unit
The Mazda Atenza GG airbag control unit is specifically designed for the Mazda 6 GG model series (approx. 2002-2008). It weighs approximately 1 kg and is compatible with various engine and transmission variants. As the central control unit, it is essential for airbag deployment and all other safety-relevant restraint systems in the vehicle.
This control unit was developed for the first-generation Mazda Atenza / Mazda 6 (GG models). It fits vehicles with 2.0-liter gasoline engines (approx. 104 kW) and diesel variants (approx. 100 kW) and is designed for front-wheel drive and a 5-speed manual transmission.
The installation position is typically in the center console or under the driver's seat. This central location ensures optimal signal processing from all connected sensors and precise control of the airbag modules. The low weight of approximately 1 kg facilitates replacement.
Function and special features of the Mazda Atenza GG airbag control unit repair
The Mazda Atenza GG airbag control unit repair restores full functionality of the central safety system by erasing crash data and correcting internal errors. The control unit evaluates sensor data and deploys airbags and seatbelt pretensioners if necessary. Specific variants, such as those with key deactivation of the passenger airbag, must be taken into account.
The control unit continuously collects information from acceleration sensors, crash sensors, and seat occupancy sensors. In the event of an impact, it analyzes this data in real time to determine which airbags (driver, front passenger, side, head) and seatbelt pretensioners need to be activated. This precise control is crucial for occupant safety.
After an accident, the control unit stores accident-related data that can only be erased by a specialized Mazda Atenza GG airbag control unit repair. This repair also corrects internal hardware defects that could lead to system failure. The yellow connectors are safety-relevant and must be handled correctly.
Facelift models of the Mazda 6 GG introduced a function for manually deactivating the passenger airbag using the ignition key. Older models use a seat occupancy sensor for this purpose. These differences must be taken into account when diagnosing and repairing the Mazda Atenza GG airbag control unit.