What is a Hyundai Tucson JM airbag control unit?
The Hyundai Tucson JM airbag control unit is your vehicle's central safety unit, which specifically triggers all passive occupant restraint systems in the event of an accident. It continuously monitors sensor signals, stores crash data, and ensures the proper functioning of your airbag modules and seatbelt pretensioners. A Hyundai Tucson JM airbag control unit repair is critical for your safety.
This electronic control unit (ECU) is essential for coordinating the safety systems in your Hyundai Tucson JM. It ensures that airbags and seatbelt pretensioners are deployed correctly when needed.
Typically installed under the center console or driver's seat, it processes information from various sensors in the vehicle. These include front and side impact sensors, which provide important data.
The device communicates via special, often yellow-colored, multi-pin connectors to activate the safety components. It operates reliably in the vehicle's standard 12V electrical system.
Why is the Hyundai Tucson JM airbag control unit defective?
Your Hyundai Tucson JM airbag control unit is often defective because it permanently stores crash data after an accident, thus locking itself up. Internal electronic defects, communication problems with connected sensors, or electrical short circuits can also cause failure. A professional Hyundai Tucson JM airbag control unit repair is essential to restore safety.
After an airbag is deployed, the control unit stores specific crash data, resulting in the entire system being locked. Deleting this data requires specialized diagnostic equipment that is only available at a specialist workshop.
Other common causes of failure include age-related wear and tear on internal components or water damage, which can lead to corrosion and short circuits. Such defects significantly impair the reliability of the entire airbag system.
If the airbag warning light on the dashboard stays on, it indicates a fault in the airbag system that requires immediate diagnosis and repair. Never ignore such a failure, as your safety is directly affected.
Common error codes for Hyundai Tucson JM airbag control unit repair
During a Hyundai Tucson JM airbag control unit repair, specific error codes are read out, indicating internal problems or communication errors within the control unit. These OBD-II B-codes help the workshop diagnose the exact cause of a fault and perform a targeted repair to restore full functionality of the safety system.
- B1000 → Control unit communication error → This signals a general communication problem or an internal defect in the airbag control unit itself.
- B1329 → Front impact sensor communication error (driver side) → Indicates a problem with the data connection between the airbag control module and the driver side front impact sensor.
- B1334 → Active fault front impact sensor (passenger side) → This indicates an active fault in the connection or directly in the front impact sensor on the passenger side.
What part numbers are available for the Hyundai Tucson JM airbag control unit repair?
For a successful Hyundai Tucson JM airbag control unit repair, exact OEM part numbers are crucial to ensure full compatibility. These numbers identify the specific control unit for your model and year. Using the correct part number ensures that the replacement part or repair will work and that the safety systems will respond properly.
When replacing or repairing the airbag control unit in your Hyundai Tucson JM, it is crucial to use these validated OEM and alternative part numbers. This avoids compatibility issues and ensures functionality.
- 95910-2E700 (OEM Hyundai, often also with supplier number 407934-4474)
- 95910-2E400 (OEM Hyundai, often also with supplier number 407934-4444)
- 95910-D7230 (OEM Hyundai, frequently referenced by specialized repair services)
- 959102S500 (OEM Hyundai, identified as SRS Airbag Computer Diagnostic Control Module)
- 959102S850 (OEM Hyundai, an alternative SRS module number, also listed with 28366908)
- 44B49060NAS (A known alternative OEM supplier number, suitable for the Hyundai Tucson JM)
A professional repair shop will use these numbers to perform precise diagnostics and correct Hyundai Tucson JM airbag control unit repairs. This is the best way to ensure reliable operation of your safety system.