What is a Toyota Proace City Verso airbag control unit?
The Toyota Proace City Verso 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 in the vehicle, stores critical crash data, and ensures the proper functioning of all airbag modules, which is essential for the safety of your occupants.
This highly complex module continuously records and evaluates signals from acceleration sensors and other systems, enabling a rapid response in an emergency. Professional Toyota Proace City Verso airbag control unit repair is crucial for the safety of your passengers in the event of a collision.
It not only controls front, side, and curtain airbags, but can also deactivate the passenger airbag if necessary. It also integrates with other safety systems, such as automatic hazard warning lights during sudden braking.
Why is the Toyota Proace City Verso airbag control unit defective?
A Toyota Proace City Verso airbag control unit often fails after an accident or due to electrical malfunctions. This occurs because it permanently stores crash data that needs to be erased, or because internal components fail due to aging or overvoltage. This often causes the airbag warning light to illuminate.
After a crash, the control module stores indelible impact data, which blocks its function and requires professional Toyota Proace City Verso airbag control module repair or replacement. This blocking is an important safety measure that requires a professional reset.
Even without an accident, the airbag control unit can fail, for example, due to internal circuit faults or software problems. Such defects impair the entire airbag functionality and must be diagnosed immediately by a specialist workshop to prevent a failure of the safety system.
Common error codes for Toyota Proace City Verso airbag control unit repair
During a Toyota Proace City Verso airbag control unit repair, specific error codes are often read out that indicate internal problems with the control unit or its wiring. Correctly reading and interpreting these error codes is crucial for an accurate diagnosis and a successful repair.
- B1000 → Control unit communication error → Signal problems between the control unit and other vehicle systems.
- B1920 → Short circuit in the rear left airbag control circuit → Fault in the wiring or in the control unit for the rear left airbag.
- B1921 → Open circuit in the rear left airbag control circuit → Open circuit in the power supply or signal line for the rear left airbag.
- B1922 → Short circuit to ground in the rear right airbag control circuit → Short circuit to the ground point in the rear right airbag circuit.
- B1923 → Positive short circuit in the rear right airbag control circuit → Short circuit to the positive line (12V) in the rear right airbag circuit.
- B1925 → Short circuit in the rear right airbag control circuit → General short circuit problems in the rear right airbag control circuit.
- B1926 → Open circuit in the rear right airbag control circuit → Open circuit in the rear right airbag system.
- B1927 → Short circuit to ground in the rear right airbag control circuit → Specific ground fault in the rear right airbag control circuit.
- B1928 → Positive short circuit in the rear right airbag control circuit → Specific positive error in the control circuit of the rear right airbag.
- B1941 → Crash Sensor No. 1 Feedback/Supply Circuit Open → Problem in the connection or power supply of the primary crash sensor reported by the control module.
What part numbers are available for the Toyota Proace City Verso airbag control unit repair?
For Toyota Proace City Verso airbag control unit repair, knowing the exact OEM part number is crucial to ensure compatibility and safety. These numbers identify the specific module and are essential for finding the correct replacement part or performing a professional repair.
- SU00100186
- SU00100453
- SU00101084
- 85970-12020
- 051500-4070 (Bosch)
- 89170-52040
- 2310001830