What is a Honda HR-V RU airbag control unit?
The Honda HR-V RU airbag control unit is the central safety unit in the vehicle, which specifically activates all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors various sensors, stores important crash data, and ensures the proper functioning of the entire airbag system, which is essential for occupant safety.
This module, also called the SRS control unit, is crucial for the passive safety of the Honda HR-V (RU series, model years 2016-2024). It processes signals from impact sensors, seat belt pretensioners, and seat occupancy sensors.
Its main task is to coordinate the deployment of the airbags and seatbelt pretensioners in a fraction of a second. A successful Honda HR-V RU airbag control unit repair restores full functionality.
Why is the Honda HR-V RU airbag control unit defective?
A Honda HR-V RU airbag control unit often fails because crash data is permanently stored after an accident, requiring a reset, or because internal components can fail due to aging, overvoltage, or moisture. A defective module causes the airbag warning light to stay permanently illuminated, rendering the system inoperable.
Typical causes of failure are internal memory errors after airbag deployment. The control unit must then be professionally reset or replaced to enable it to function again.
Electronic short circuits, age-related material fatigue, or corrosion caused by water ingress can also damage the module. Such defects require a targeted Honda HR-V RU airbag control unit repair.
Common error codes for Honda HR-V RU airbag control unit repair
When diagnosing the Honda HR-V RU airbag control module repair, specific error codes may occur that indicate internal problems with the control module, rather than with sensors or peripheral components. These codes often signal communication, memory, or internal hardware errors that require a reset or replacement of the module.
- B1000 → Control unit communication error → Internal communication problems of the airbag module.
- B1001 → Internal control unit self-diagnosis failed → Hardware or software defect in the airbag control unit.
- B1005 → Airbag diagnostic sensor error → Internal error in the diagnostic sensor of the airbag control unit.
- B1010 → Airbag circuit or connection malfunction → Problems with internal circuits or module connections of the ECU.
- B1050 → Memory error in the control unit → Corrupt data or damaged memory area in the airbag module.
- B1055 → EEPROM error in the airbag control unit → Problems reading or writing the non-volatile memory in the ECU.
- B1100 → Airbag control unit voltage supply outside limits → Faulty power supply or internal voltage regulation of the module.
- B1131 → Signal error in control unit sensors → Inconsistent or faulty signals from internal module sensors.
- B1140 → Airbag system initialization error → The airbag control unit could not start the system correctly.
What part numbers are available for the Honda HR-V RU airbag control unit repair?
For Honda HR-V RU airbag control unit repairs, specific OEM part numbers from the manufacturer Honda are relevant, ensuring exact compatibility. These original part numbers are essential to ensure that a replaced or repaired module functions correctly and meets safety standards.
There are two primary, validated OEM part numbers for the Honda HR-V RU airbag control unit (model years approximately 2016-2024).
These are approved directly by Honda and prove that they fit your vehicle perfectly.
- 77960-T7S-A212-M2
- 77960-T7S-X410-M2
These part numbers are the only ones validated as airbag control units for the HR-V RU series. A correct part number is critical for any Honda HR-V RU airbag control unit repair or replacement.