What is a Peugeot 208 GTI I airbag control unit?
The Peugeot 208 GTI I 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 for optimal protection.
This sophisticated module processes signals from multiple crash sensors in real time to precisely detect the severity and direction of an impact. It is crucial for activating airbags and seatbelt pretensioners within milliseconds.
The system also integrates seat occupancy sensors. This enables individualized airbag control, preventing unnecessary deployment in the event of empty seats or child seats, for example, thus increasing safety.
In addition, the control unit stores relevant crash data and error codes. It also controls the airbag warning light in the instrument cluster to immediately indicate malfunctions or system errors.
Why is the Peugeot 208 GTI I airbag control unit defective?
The Peugeot 208 GTI I airbag control unit may be defective due to internal hardware or software errors, short circuits, low voltage, or physical damage following an accident. Failure will cause the central occupant protection system to no longer function properly and require immediate repair.
Common causes of failure are internal electronic problems such as an "Internal ECU Fault" (B1004) or a corrupted configuration (B1003). Such defects impair the system's ability to respond to accidents.
Mechanical damage, such as moisture ingress into devices mounted under the seat, can damage the control unit. Overvoltage, short circuits, or broken cables in the connected circuits can also cause permanent damage.
After an accident, the control unit is often locked for safety reasons or has stored crash data that indicates a need for repair. In such cases, it must be diagnosed and, if necessary, reset or replaced.
Common error codes for Peugeot 208 GTI I airbag control unit repair
When repairing the Peugeot 208 GTI I airbag control unit, specific error codes are crucial for identifying the cause of a system failure. These codes directly indicate internal problems within the control unit and facilitate targeted diagnosis and the necessary steps to resolve the problem.
- B1003 → Secure Configuration Error → Indicates an integrity fault or manipulation in the control unit configuration.
- B1004 → Internal ECU Fault → Indicates an internal hardware or software defect in the airbag module itself.
- B1408 → Internal ECU Error → A general internal error that affects the function of the airbag control unit and requires careful inspection.
The occurrence of these error codes typically causes the airbag warning light to illuminate. This indicates that the airbag system is not operational and requires urgent service diagnostics.
Knowing the exact meaning of these codes is essential for a successful repair. This allows service partners to quickly take the appropriate measures to restore the vehicle's safety.
What part numbers are available for the Peugeot 208 GTI I airbag control unit repair?
For a successful Peugeot 208 GTI I airbag control unit repair, knowing the exact part numbers is essential to finding the right replacement part. These original and OEM numbers ensure compatibility with your vehicle and are crucial for safe operation.
Specific OEM part numbers have been verified for the airbag control unit of the Peugeot 208 GTI I (2012-2019 model). These numbers guarantee compatibility and compliance with the manufacturer's specifications.
- 9812713380 : Original Peugeot/Citroën part number, often manufactured by Bosch as an OEM supplier.
- 0285012924 : Direct Bosch OEM replacement part number that matches the Peugeot original number.
- 98 127 133 80 : Another original Peugeot/Citroën part number that serves as a reference number for the same control unit.
To ensure the control unit fits perfectly, a compatibility check using the vehicle identification number is always recommended. This avoids errors and ensures correct functionality after installation.
Compatibility and features of the Peugeot 208 GTI I airbag control unit
The Peugeot 208 GTI I airbag control unit is specifically designed for the first generation (type CA, CC) of the Peugeot 208 GTI from 2012 onwards. It is compatible with the 1.6-liter engine variants and the GTI-specific safety package, ensuring precise function in the vehicle.
This central module monitors not only crash sensors but also seat occupancy sensors. This allows it to deploy the airbags precisely and seat-specifically, increasing safety for all occupants.
The control unit is typically mounted under the driver or passenger seat for optimal protection. It features standardized, yellow-marked airbag connectors with gold-plated contacts to prevent corrosion.
Modern systems like this are also designed to be robust against short circuits, low voltage, and moisture. This minimizes the risk of failure and significantly increases the reliability of the airbag system.