What is a Honda Accord CB airbag control unit?
The Honda Accord CB airbag control unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It continuously monitors sensors, stores relevant crash data, and ensures the proper functioning of all airbag modules and seatbelt pretensioners, which is essential for your safety.
This electronic module is the brain of the passive safety system in your Honda Accord and is essential for occupant protection.
It processes signals from various sensors in the vehicle at lightning speed in order to trigger the airbags precisely and in a timely manner in an emergency.
Why is the Honda Accord CB airbag control unit defective?
A Honda Accord CB airbag control unit can fail due to internal component failure, power surges, or crash data being permanently stored after an accident. Such failures often trigger the airbag warning light, necessitating immediate diagnosis and Honda Accord CB airbag control unit repair.
Common causes of failure are internal errors due to aging of the electronics or problems with the power supply, which can damage the module.
After a crash, the module stores the trigger data, which locks it; a professional reset or replacement is required to restore full functionality.
Common error codes for Honda Accord CB airbag control unit repair
Specific error codes in the Honda Accord CB airbag control unit indicate internal problems or system inconsistencies that require precise diagnosis and subsequent Honda Accord CB airbag control unit repair. These codes are read via the OBD interface and are crucial for troubleshooting the problem.
- **8-5**: Internal error of the airbag control unit → Cause: Problems with the battery voltage or a module defect.
- **87-31**: Internal error of the SRS or occupant restraint system control unit → Cause: Direct, serious defect in the airbag module.
- **91-1**: SRS or occupant restraint system control unit internal error → Cause: Another critical internal error in the control unit.
- **81-64**: ECU Serial ID Code Inconsistent → Cause: Discrepancy in the serial number of the control unit, often after a replacement without correct programming.
- **85-64**: ECU Serial ID Code Inconsistent (OPDS Unit) → Cause: Serial number inconsistency in the OPDS module, which works closely with the airbag control unit.
These specific error codes are exclusively attributable to the control unit and exclude external sensors or belt tensioners as the primary source of the error.
A professional diagnosis in a specialist workshop can determine the exact cause of these errors and precisely initiate the necessary repair or replacement.
What part numbers are available for the Honda Accord CB airbag control unit repair?
For a successful Honda Accord CB airbag control unit repair or replacement, the correct part number is crucial, as it ensures compatibility with your specific vehicle model and year. Here are the most common OEM and replacement part numbers for Honda Accord CB airbag control units that are relevant in the event of a failure.
- **77960SDNC211M1**: Honda (OEM), original airbag control unit, suitable for various Accord models (e.g. 2006-2007).
- **77960-SEA-G815-M1**: Honda (OEM), original airbag control unit, often used in airbag control unit repair.
- **C0W6K4VDA**: TRW (supplier), replacement airbag control unit, a recognized alternative to OEM parts for a cost-effective repair.
- **77960SEFG822M1**: Honda (OEM), original airbag control unit, often found in Accord CL/CN sedans.
- **77960SDAL814M1**: Honda (OEM), original airbag control unit, compatible with earlier Accord models (e.g. 2003).
These OEM part numbers are verified for Honda Accord CB airbag control units and are absolutely essential for the correct selection of the replacement part.
It is always advisable to check the exact part number of your defective module to ensure error-free installation and thus the full safety function of the vehicle.