What is a Honda HR-V GH airbag control unit?
The Honda HR-V GH airbag control unit is the central safety unit in your vehicle, activating all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors relevant sensors, stores important crash data, and ensures the proper functioning of all components of the vehicle's airbag system.
This control unit, also called the SRS control unit, forms the heart of the passive safety system. It receives signals from impact sensors and makes lightning-fast decisions about the necessary protective measures. Proper functioning is essential for the safety of the occupants.
The module is typically located centrally in the vehicle, often under the center console or driver's seat. It is robustly built to withstand temperature fluctuations and vibrations.
Why is the Honda HR-V GH airbag control unit defective?
A Honda HR-V GH airbag control unit is usually defective after an accident because it permanently stores crash data and is thus blocked from further activation. Common causes include internal errors, such as software problems, voltage spikes, or age-related component failures, which can impair communication or function of the module.
After a collision, the control unit stores special crash information that prevents reuse without a reset. This is a safety feature to ensure that only fully functional modules are used.
Other causes of failure can include internal electronic errors, which manifest themselves through specific error codes. A power supply disruption or a short circuit in the system can also damage the airbag control unit.
A faulty control unit causes the airbag warning light to stay on. This indicates a malfunction in the safety system and requires immediate diagnosis and Honda HR-V GH airbag control unit repair.
Common error codes for Honda HR-V GH airbag control unit repair
When diagnosing a faulty Honda HR-V GH airbag control unit, specific error codes will appear that indicate internal module malfunctions, not sensor or seatbelt pretensioner issues. These codes indicate internal errors, communication problems, or power supply issues within the airbag ECU.
Understanding these code-specific messages is crucial for accurate diagnosis and successful Honda HR-V GH airbag control unit repair. The following codes focus exclusively on the control unit itself:
- **Code 5-x (e.g. 5-1, 5-2, 5-4):** Internal error of the SRS control unit → Check for battery voltage problems.
- **Code 6-x (e.g. 6-1, 6-5, 6-8):** Internal failure of the control unit in the airbag system → Module has an internal malfunction.
- **Code 7-x (e.g. 7-1, 7-3):** Internal error in the airbag control unit → Operation of the internal circuits is impaired.
- **Code 8-x (e.g. 8-1, 8-2, 8-5):** Internal error of the SRS control unit → Generic internal failure, requires further diagnosis.
- **Code 9-1:** SRS error or airbag warning light on → Control unit reports a general error in the system.
- **Code 9-2:** Internal power supply failure in the SRS control unit → Problems with the internal power supply of the module.
- **Code 87-31:** SRS control module internal error → Specific internal component failure in the control module.
- **Code 91-1x:** SRS control unit internal error → Hardware or software error within the unit.
- **Code 91-2x:** Short circuit in the SRS indicator circuit → Problem with the control unit controlling the airbag indicator light.
- **Code 85-63:** Model ID code or variation code inconsistent → Control unit was not coded correctly or is incompatible.
- **Code B1000 (analog):** Control unit communication error → General disruption in the module's communication with other vehicle systems.
What part numbers are available for the Honda HR-V GH airbag control unit repair?
For the Honda HR-V GH airbag control unit repair, only specific OEM part numbers are relevant, ensuring compatibility with models built between 2016 and 2025. These exact numbers are crucial for selecting the correct replacement or repair module and include 77960-T7SA-212M2, 77960-T7S-A21, and 77960-T7SX-410M2.
The exact part number is essential to ensure the airbag control unit fits the specific Honda HR-V GH. Different model years or trim levels may require different modules.
Here are the verified OEM part numbers you need for the Honda HR-V GH airbag control unit repair:
- **77960-T7SA-212M2:** Compatible with Honda HR-V GH models from 2016-2017.
- **77960-T7S-A21:** Fits Honda HR-V GH model years 2016-2018 (replaces the older number 77960-3V0-A81).
- **77960-T7SX-410M2:** Suitable for a wider range of Honda HR-V GH models, from 2016 to 2025.
These numbers are available directly from Honda or authorized parts dealers and guarantee full functionality. Separate part numbers from third-party suppliers such as Bosch or Continental are not known, as Honda distributes these modules under its own OEM codes.
Honda HR-V GH Airbag Control Unit Repair: Benefits and Process
Repairing a Honda HR-V GH airbag control unit offers significant cost advantages over purchasing a new one and allows for a quick restoration of vehicle safety. A professional reset service will restore the module to full functionality after an accident, ready for plug-and-play integration into your vehicle without the need for complex reprogramming.
Resetting the control unit is an environmentally friendly and economical solution if the module only stores crash data. This saves you the expensive purchase of a new part and the often time-consuming adaptation to the vehicle.
The repair process is usually straightforward: You send your defective module to a specialist workshop. There, it will be checked for internal errors, the crash data will be erased, and the module will be professionally repaired.
After a successful Honda HR-V GH airbag control unit repair, you will receive a tested module back. This can be directly reinstalled in the vehicle, extinguishing your airbag warning light and ensuring the safety systems are fully operational again.