What is a Honda Civic FC airbag control unit?
The Honda Civic FC 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 a collision. It continuously monitors numerous sensors, stores relevant crash data, and thus ensures the continuous functionality of the entire Supplemental Restraint System (SRS).
This essential module receives signals from front and side impact sensors as well as rollover and seat occupancy sensors.
In the event of a defect or after the airbags have been deployed, the airbag warning light in the cockpit lights up continuously, signaling the need for action.
Why is the Honda Civic FC airbag control unit defective?
The Honda Civic FC airbag control unit often fails because it permanently stores crash data after an accident that cannot be erased without special equipment, or it experiences internal malfunctions due to aging, moisture damage, or electrical surges. This then leads to an illuminated airbag warning light and deactivation of the safety system.
Internal hardware or software errors can disrupt the control unit's proper communication with other vehicle systems, causing a failure.
Inconsistencies in model or serial IDs can also lead to an error message, especially after improper repair attempts or replacement.
Common error codes for Honda Civic FC airbag control unit repair
During Honda Civic FC airbag control module repair, specific error codes indicate problems with the control module itself, including internal system errors or communication problems with the vehicle. These codes signal a need to check or repair the module to restore airbag system safety.
- 87-31: Internal control unit malfunction → Indicates an internal hardware or software error of the SRS module.
- 91-1x: Internal control unit malfunction → Also indicates an internal defect in the airbag control unit that impairs its function.
- 85-63: Model ID or variation code inconsistent → Occurs when the stored identification codes of the control unit do not match the vehicle.
- 85-64: ECU Serial ID Code Inconsistent → Indicates a discrepancy in the ECU serial number, often after a replacement or attempted repair.
- B1000: Control unit communication error → Indicates that the airbag control unit is not communicating properly with the vehicle network.
Codes like these are crucial for accurate diagnosis and targeted Honda Civic FC airbag control unit repair.
Errors related to crash data that are not explicitly displayed as OBD-II codes will also cause the airbag warning light to remain illuminated and require a special control unit reset.
What part numbers are available for the Honda Civic FC airbag control unit repair?
For Honda Civic FC airbag control unit repairs, specific Honda OEM part numbers are relevant, ensuring exact compatibility with the 10th generation Honda Civic (FC/FK type). Using these verified numbers is crucial for a safe and functional restoration of the airbag system after a failure or accident.
- 77960-TGH-G220-M4: Genuine Honda OEM part number for the airbag control module of the Honda Civic FC/FK.
- 77960-SMG-G014-M1: Another verified genuine Honda OEM part number, compatible with the Civic X (FC/FK).
- 77960-TGNT-G23: Also a confirmed Honda OEM part number suitable for repairing the airbag control module in the Honda Civic FC/FK.
These part numbers are directly related to the Airbag Control Module and come from professional spare parts and repair databases.
The numbers mentioned are intended exclusively for the airbag control unit, not for sensors or other airbag components.
They ensure that a repaired or replaced control unit fits perfectly into your Honda Civic FC model and restores system functionality.