What is a Mazda MPV LV airbag control unit?
The Mazda MPV LV airbag control unit is the central safety unit in first-generation vehicles (approximately 1989-1999), which 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 for maximum occupant safety.
This electronic module, also known as the SRS Airbag Computer Control Module, is responsible for the precise deployment of the airbags and seat belt pretensioners.
It processes critical signals from acceleration sensors and other impact sensors to respond quickly to a collision.
Why is the Mazda MPV LV airbag control unit defective?
The Mazda MPV LV airbag control unit may be faulty because it stores crash data after an accident, triggering a fault condition, or due to internal electronic problems such as voltage spikes or aging. A faulty control unit often requires professional Mazda MPV LV airbag control unit repair or replacement to restore the safety systems to full functionality.
A common defect occurs after a vehicle crash because the control unit irretrievably stores the collision data.
Electrical disturbances, such as over- or under-supplied on-board voltage, can also lead to module failure.
Internal component failures caused by wear and tear or manufacturing defects are other reasons why a Mazda MPV LV airbag control unit repair is necessary.
Common error codes for Mazda MPV LV airbag control unit repair
Mazda MPV LV airbag control unit repair typically involves reading specific DTCs (Diagnostic Trouble Codes) via the OBD-II interface, which directly indicate problems with the airbag control unit itself. These error codes signal communication problems, voltage issues, or internal module defects that require precise diagnosis and repair.
- B1000 → Control unit communication error → Internal error in the control unit or wiring problem.
- B1101 → Power Feed (VSS) voltage too high → Overvoltage in the system that affects the control unit.
- B1102 → Power Feed (VSS) voltage too low → Undervoltage that prevents the control unit from functioning.
- B1197 → Driver/Passenger Airbag Control Unit Error → Internal damage or malfunction of the control unit.
What part numbers are available for Mazda MPV LV airbag control unit repair?
Several verified OEM part numbers are available for Mazda MPV LV airbag control unit repairs, which may vary depending on the vehicle's year of manufacture and specific equipment. These numbers, such as LD47-57-K30, LD47-57-K30A, and LC6257K30A, come directly from Mazda or supplier Autoliv and are crucial for correct part identification.
The primary OEM part numbers for the Mazda MPV LV airbag control unit include LD47-57-K30 and LD47-57-K30A, which come directly from Mazda or Autoliv.
Additionally, the numbers LD4757K30, LC6257K30A and LC6457K30B are relevant for specific model years of the Mazda MPV LV, especially from 2000-2002.
An exact part number match is essential to ensure module compatibility during a Mazda MPV LV airbag control unit repair.