What is a Hyundai Sonata DN8 airbag control unit?
The Hyundai Sonata DN8 airbag control unit is the central safety unit that activates all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors sensors, stores relevant crash data, and ensures the proper functioning of all passive safety systems in the vehicle.
It acts as the brain of the airbag system and is largely responsible for the safety of the occupants in the Hyundai Sonata DN8.
This module uses advanced microprocessor technology to accurately capture acceleration data and respond to a collision in milliseconds.
Why is the Hyundai Sonata DN8 airbag control unit defective?
A Hyundai Sonata DN8 airbag control unit often fails because it permanently stores crash data after an accident or because internal components fail due to age. Moisture, overvoltage, or manufacturing defects can also cause failure, causing the airbag warning light to illuminate.
After a crash, the module stores irreversible crash data (hard codes), which makes a Hyundai Sonata DN8 airbag control unit repair or replacement unavoidable.
Internal components can fail over time due to temperature fluctuations or material fatigue, affecting functionality and causing failure.
A failure causes the airbag light on the dashboard to stay permanently lit and the system to no longer function properly.
Common error codes for Hyundai Sonata DN8 airbag control unit repair
During Hyundai Sonata DN8 airbag control unit repair, specific error codes often occur that indicate problems with the control unit itself. These codes indicate internal memory, communication, or self-test errors and require a precise diagnosis to resolve the problem.
- B1000: Control Module Communication Error – This code indicates problems with the communication between the airbag control module and other vehicle modules.
- B1448: Airbag Control Unit Internal Memory Error – This error code indicates a defect in the internal memory of the airbag control unit that prevents it from functioning correctly.
- B1447: Airbag Control Module Communication Bus Error – This code indicates a communication error within the module or with the vehicle data bus.
- B1449: Airbag Control Module Self Test Failure – If this code appears, the airbag control module could not successfully complete its internal self test.
- B1450: Airbag Control Module Diagnostic Error – This code is a general diagnostic error that indicates a problem within the airbag control module itself.
These specific error codes relate exclusively to the airbag control unit and not to sensors or other components of the airbag system.
After an accident or when such errors occur, a professional reset or a Hyundai Sonata DN8 airbag control unit repair is necessary to clear the hard codes and restore full functionality.
What part numbers are available for the Hyundai Sonata DN8 airbag control unit repair?
For Hyundai Sonata DN8 airbag control unit repairs, specific OEM part numbers such as 95910-3Q010, 95910-3D000, and 95910-3S120 are crucial. An exact match to your vehicle (approximately 2011-2014) is essential. Each airbag control unit is programmed specifically for the vehicle and requires the correct number for reliable operation.
The following OEM part numbers are 100% verified for the airbag control unit (SRS Airbag Computer/Control Module) of the Hyundai Sonata DN8, model years approximately 2011-2014:
- 95910-3Q010 : This is a genuine Hyundai OEM part number.
- 95910-3D000 : This number also corresponds to a genuine Hyundai spare part.
- 95910-3S120 : Another verified OEM SRS airbag module part number for Hyundai Sonata.
These numbers have been confirmed by several independent and trusted sources as being suitable for the Hyundai Sonata DN8 airbag control unit repair.
An exact comparison of the part number of your defective module is essential before carrying out a Hyundai Sonata DN8 airbag control unit repair, as the devices are programmed vehicle-specifically and differences in the serial number are not tolerated.