What is a Lexus GS GS460 airbag control unit?
The Lexus GS GS460 airbag control unit is your vehicle's central safety unit, coordinating vital protective functions in the event of an accident. It continuously monitors sensor signals, stores relevant crash data, and controls the deployment of airbags and seatbelt pretensioners to ensure occupant safety at critical moments.
This module is an integral part of the safety restraint system (SRS).
It acts as the brain of the airbag system and must always function perfectly.
Why is the Lexus GS GS460 airbag control unit defective?
A faulty Lexus GS GS460 airbag control unit often results in error messages and an illuminated airbag warning light due to internal component failure, unstable power supplies, or communication errors. After an accident, it also stores crash data, which may require a manual reset or repair of the Lexus GS GS460 airbag control unit.
Common causes are internal hardware or memory errors that affect functionality.
Problems with the module's power supply or communication problems with other vehicle systems can also cause a failure.
After an impact, the module must be reset or overhauled as part of a Lexus GS GS460 airbag control unit repair because it registers a one-time deployment.
Common error codes for Lexus GS GS460 airbag control unit repair
During the Lexus GS GS460 airbag control unit repair, specific error codes are read that indicate internal problems or communication issues within the module. These OBD-II B codes aid in diagnosis by pinpointing whether there is an internal error, a communication issue, or a power supply problem with the airbag control unit.
- B1000 → Control unit communication error → The airbag control unit cannot communicate properly with other control units or sensors.
- B1920 → Internal error in the airbag control unit → The module has an internal malfunction or a hardware defect.
- B1921 → Airbag control unit memory/HW error → Problems with the internal memory or hardware of the control unit.
- B1922 → Control unit self-diagnosis error → The airbag control unit cannot correctly check its own functionality.
- B1923 → Power supply error in the control unit → The module is not receiving a stable or correct power supply.
What part numbers are available for the Lexus GS GS460 airbag control unit repair?
For Lexus GS GS460 airbag control unit repairs, specific OEM part numbers are relevant to ensure exact compatibility with the vehicle model. These original part numbers identify the control units designed for the proper functioning of the airbag system in the Lexus GS460 and are required for a successful repair or replacement.
The primary OEM part number is 89170-30680, which comes directly from Lexus.
Another suitable part number is 89170-60F30, which is also intended for the SRS Airbag Computer Diagnostic Control Module of the Lexus GS460.
These numbers ensure that it is the correct control unit and not airbag sensors or other irrelevant components.
When repairing the Lexus GS GS460 airbag control unit, it is crucial to use the correct part number to avoid future failures.