What is a Honda Legend 3rd Generation Airbag Control Unit?
The Honda Legend 3rd Generation 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.
This safety-relevant electronic component is specifically designed for the Honda Legend (type KB1/KB2) models from 2004 to 2012. It is essential for deploying the airbags and seatbelt pretensioners in an emergency.
A professional Honda Legend 3rd Gen airbag control unit repair restores the system's full functionality and clears all error codes.
Why is the Honda Legend 3rd generation airbag control unit defective?
The Honda Legend 3rd Generation airbag control unit is often defective because it has internal electronic errors, stored crash data after an accident, or the identification codes are inconsistent, causing the airbag warning light to stay on.
Common causes include aging-related component failures or overvoltage damage, which can lead to internal system errors. After an impact, crash data is permanently stored in memory, preventing the error log from being easily erased.
A control unit failure requires specialized diagnosis and professional Honda Legend 3rd Gen airbag control unit repair to ensure safety.
Common error codes for Honda Legend 3rd Gen airbag control unit repair
During Honda Legend 3rd Gen airbag control unit repair, specific error codes occur that indicate internal control unit problems or stored crash data and require precise diagnosis.
- 87-31 → Internal error of the SRS unit → Defect within the control logic or hardware of the airbag control unit.
- 91-1x → Internal error of the SRS unit → Malfunction or defect of the internal components of the airbag control unit.
- 85-63 → Mode ID code or variation code inconsistent → Conflict in the identification data in the control unit, often after improper programming or data corruption.
- 85-64 → ECU Serial ID Code Inconsistent → Faulty or corrupted airbag control unit serial identification data in memory.
- Crash data stored → Indelible stored crash data after an accident → The airbag control unit has stored trigger data from an accident that requires a reset using specialized tools.
These errors indicate the need for a comprehensive inspection and, if necessary, a professional Honda Legend 3rd Gen airbag control unit repair to correct the failure.
What part numbers are available for the Honda Legend 3rd Gen airbag control unit repair?
For Honda Legend 3rd Gen airbag control unit repair, the precisely verified Honda OEM part number 77920-SJA-E13-M3 is the only relevant number that uniquely identifies the airbag control unit for this model.
This part number (sometimes written 77920SJA-E13-M3 without hyphens) is exclusively assigned to the airbag control module of the third generation Honda Legend (model years 2004-2012).
Other part numbers do not refer to this specific control unit or other Honda models. Repairing the airbag control unit is often a cost-effective alternative to purchasing a new one.