What is a Toyota Verso-S XP120 airbag control unit?
The Toyota Verso-S XP120 airbag control unit is your vehicle's central safety unit, controlling all passive occupant protection systems. It continuously monitors sensors, processes real-time data in the event of a collision, and precisely deploys airbags and seatbelt pretensioners to ensure maximum safety.
This electronic module is crucial for the quick and safe activation of the restraint systems. It is connected to the vehicle bus communication system, such as the CAN bus.
Why is the Toyota Verso-S XP120 airbag control unit defective?
The Toyota Verso-S XP120 airbag control unit can be defective due to internal electronic failure, overvoltage, or even crash events that damage the software or hardware. This often leads to communication errors or the storage of crash data, which prevents the system from functioning.
A common cause of failure is internal defects in the control processor, which can be caused by aging or electrical malfunctions. Such problems often require professional diagnosis and repair of the airbag control unit.
After an accident, the control unit stores crash data that prevents the airbag systems from being activated again. To repair the Toyota Verso-S XP120 airbag control unit, this data must be deleted externally.
Common error codes for Toyota Verso-S XP120 airbag control unit repair
During Toyota Verso-S XP120 airbag control unit repairs, specific error codes occur that directly indicate problems with the airbag control unit. These codes are crucial for precise diagnosis and targeted repair of the failure in the occupant protection system.
- B1000 → Control unit communication error → Internal defect or faulty connection to the airbag ECU.
- B1811 → Driver squib, 2nd stage circuit interruption → Usually caused by a defective spiral cable (clock spring) or internal control unit problems.
- B1836 → Passenger side curtain airbag open circuit → Problem detected in the airbag curtain circuit control module.
What part numbers are available for the Toyota Verso-S XP120 airbag control unit repair?
For Toyota Verso-S XP120 airbag control unit repairs, specific, precisely verified OEM part numbers are crucial to ensure compatibility. These numbers guarantee that you can identify the correct control unit for models from 2010 to 2016 and have it repaired correctly.
The primary Toyota OEM part number for this airbag control unit is 89170-42D50 . It is a perfect fit for the Toyota Verso-S XP120 (model years 2010-2016).
Another important, verified manufacturer number for the original part, often from Denso or Bosch, is 152100-4560 . Both numbers identify the complete airbag control unit and not sensors or modules.
When purchasing or repairing the Toyota Verso-S XP120 airbag control unit, only use these specific numbers to avoid incorrect installation or incompatibilities. A professional workshop can verify exact compatibility and perform a professional diagnosis.