What is a Toyota Vios XP40 airbag control unit?
The Toyota Vios XP40 airbag control unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It monitors sensors, stores crash data, and ensures the proper functioning of all airbag modules in the vehicle, making it crucial for your safety.
It receives and analyzes signals from impact sensors to accurately detect accident situations.
After activation, the module stores important event data and signals a warning message via the airbag light in the vehicle.
Why is the Toyota Vios XP40 airbag control unit defective?
A Toyota Vios XP40 airbag control unit often malfunctions because it stores crash data after an accident, requiring a reset, or because electronic components fail due to age. Moisture, short circuits, or internal software errors can also cause malfunctions, compromising the safety systems.
After an accident, the control unit stores indelible crash data that blocks normal function.
Aging, vibrations or moisture can also damage internal circuits, leading to system failure.
In such cases, a professional diagnosis and, if necessary, repair of the Toyota Vios XP40 airbag control unit is necessary.
Common error codes for Toyota Vios XP40 airbag control unit repair
During Toyota Vios XP40 airbag control unit repairs, specific error codes often occur that directly indicate problems with the airbag control unit itself. These codes signal communication errors, internal module defects, or system malfunctions that require precise diagnosis and repair to restore vehicle safety.
- B1000: Control unit communication error → Signals faults in the data transmission of the airbag control unit.
- B1015: Faulty Airbag Control Module → Indicates an internal defect in the module.
- B107E: Airbag Module Error → Indicates a general problem within the control module.
- B1139: SRS system error → Indicates a malfunction in the entire safety restraint system, starting from the control unit.
- B207F: SRS control unit problem → Confirms a malfunction directly in the airbag control unit.
What part numbers are available for the Toyota Vios XP40 airbag control unit repair?
For the Toyota Vios XP40 airbag control unit repair, the primary and reliably verified OEM part number is 89170-52450. This number identifies the original Toyota SRS module, which is suitable for models such as the Vios and Vitz. Currently, no other verified alternative or supplier part numbers are known.
This genuine Toyota part number 89170-52450 is used by specialized services for resetting and repairing the SRS module.
It is specifically designed for the airbag control unit of the Toyota Vios XP40 and ensures compatibility.
Other part numbers, such as the Airbag Clock Spring (84306-0D021), do not refer to the airbag control unit itself, but to other components.
Compatibility and installation of the Toyota Vios XP40 airbag control unit
The Toyota Vios XP40 airbag control unit is optimized for use in Toyota Vios XP40 models, typically built from 2013 to 2018 and similarly installed in the Vitz/Yaris. It is centrally located in the vehicle, often under the driver's seat, to effectively control all airbags and seatbelt pretensioners.
The module fits vehicles with a standard SRS airbag system.
Installation requires professional wiring to sensors, airbags and the vehicle's on-board electronics.
A correct installation position protects the device from shocks and environmental influences.
Special features of the Toyota Vios XP40 airbag control unit repair
The Toyota Vios XP40 airbag control unit repair offers a cost-effective alternative to purchasing a new unit by erasing crash data and error codes stored after an accident. This allows the full functionality of the original OEM module to be restored, ensuring your safety without the high cost of replacement parts and making the system operational again.
The control unit can be reset by specialized services after an accident.
This reset includes erasing all error codes and stored crash data.
Some modules require additional programming or recoding for optimal function after reset or replacement.
A professional diagnosis is crucial to accurately locate the failure and successfully repair the airbag control unit.