What is a Lexus UX UX250h airbag control unit?
The Lexus UX UX250h 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. It is crucial for Lexus UX UX250h airbag control unit repair.
This sophisticated SRS (Supplemental Restraint System) module coordinates the deployment of airbags and seatbelt pretensioners. It is an integral part of the comprehensive Lexus Safety System+ to ensure maximum occupant safety.
The control unit continuously analyzes data from impact and acceleration sensors in the Lexus UX 250h, allowing it to respond quickly and precisely to the occupants' needs in the event of a collision.
Why is the Lexus UX UX250h airbag control unit defective?
A Lexus UX UX250h airbag control unit often malfunctions because it stores crash data after an accident, indicating a system error, or due to internal electronic failures. This can lead to safety system malfunctions, necessitating professional Lexus UX UX250h airbag control unit repair.
Common causes of failure include internal hardware defects or software errors caused by voltage spikes or aging. Damage caused by moisture or improper handling can also affect the module.
After a crash, the control unit stores data that renders it unusable. A reset service or replacement of the defective module is then essential for full functionality.
Common error codes for Lexus UX UX250h airbag control unit repair
When diagnosing a faulty Lexus UX UX250h airbag control unit, specific B-codes may occur, indicating internal control unit errors or communication problems. These codes are crucial for accurate fault identification and successful Lexus UX UX250h airbag control unit repair, as they directly identify the source of the error in the module.
- B1000: Control unit communication error – The cause is a problem in the internal communication of the airbag ECU.
- B1861: Passenger knee airbag open circuit - The cause is a detected fault in the airbag control module circuit.
- B1907: Right PR airbag circuit short to ground – The cause is an electrical short in the airbag ECU.
- B1908: Right PR airbag circuit short to battery (+12 V) – The cause is an electrical short in the airbag ECU.
- B1920: Rear left P/T airbag circuit shorted - The cause is an electrical fault in the airbag control module.
- B1921: Rear left PR airbag circuit open circuit – The cause is an open circuit in the airbag ECU.
- B1922: Rear right P/T airbag circuit short to ground - The cause is an electrical fault in the airbag control module.
- B1923: Rear right P/T airbag circuit short to battery (+12V) – Caused by an electrical short in the airbag ECU.
- B1925: Rear right PIT airbag circuit shorted - The cause is an electrical fault in the airbag control module.
- B1926: Rear Right P/T Airbag Circuit Open – Caused by an open circuit in the airbag ECU.
- B1927: Rear right P/T airbag circuit short to ground - The cause is an electrical fault in the airbag control module.
- B1928: Rear right P/T airbag circuit short to battery – The cause is an electrical short in the airbag ECU.
What part numbers are available for the Lexus UX UX250h airbag control unit repair?
There are several original OEM part numbers for the Lexus UX UX250h airbag control unit repair, which may vary depending on the year of manufacture or equipment, but all ensure correct function. The most common and frequently required OEM part number is 89170-76580, which is important for compatibility.
It is crucial to match the exact part number of the defective airbag control unit with the vehicle's VIN to ensure that the replacement part or repair fits the specific Lexus UX 250h.
All numbers listed below are genuine Lexus-verified parts for the UX 250h airbag control unit to ensure maximum safety and compatibility.
- 89170-76580: Most common original OEM part number for the Lexus UX 250h airbag control unit.
- 89170-76310: Original OEM part number for the Lexus UX 250h airbag control unit.
- 89170-76480: Original OEM part number for the Lexus UX 250h airbag control unit.
- 89170-76210: Original OEM part number for the Lexus UX 250h airbag control unit.
- 89170-76160: Original OEM part number for the Lexus UX 250h airbag control unit.