What is an Audi RS5 8T airbag control unit?
The Audi RS5 8T 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 to ensure maximum occupant protection.
This safety-relevant electronic control unit plays a crucial role in the passive safety system of the Audi RS5 8T.
It continuously reads signals from various sensors in the vehicle to detect a collision and trigger the airbags and seat belt pretensioners.
Its precise control is vital as it determines the minimization of injuries in the event of an impact.
Why is the Audi RS5 8T airbag control unit defective?
An Audi RS5 8T airbag control unit can fail due to internal electronic damage, communication problems in the vehicle's network, or power supply issues. Such defects often lead to error messages in the instrument cluster and require a professional Audi RS5 8T airbag control unit repair.
A permanently lit airbag warning light in the cockpit often signals an internal error or failure of the control unit itself.
If the control unit can no longer communicate with diagnostic devices, this indicates a serious defect.
Low voltage in the vehicle electrical system can also damage the electronics and make repairs necessary.
Common error codes for Audi RS5 8T airbag control unit repair
During Audi RS5 8T airbag control unit repairs, specific error codes occur that directly indicate problems with the control unit itself, not with sensors or airbags. These codes are crucial for diagnosis and targeted repair.
- 65535: Control unit defective → Internal defect of the airbag control unit.
- B1000: Control unit communication error → Problems with data transmission between the control unit and the diagnostic device or vehicle network.
- U101100: Power supply: Undervoltage detected → Insufficient power supply to the airbag control unit.
- B200049: Control unit error – Airbag warning light is permanently lit → General control unit error that activates the warning light.
- 01321: Airbag control unit not accessible → No communication between diagnostic device and airbag control unit.
- U015100: No communication with airbag control unit → Loss of connection to the central airbag control unit.
What part numbers are available for the Audi RS5 8T airbag control unit repair?
For the Audi RS5 8T airbag control unit repair, the Audi OEM part number 8K0 959 655 B and the Bosch supplier number 5WK43749 are primarily relevant. These numbers are validated and ensure the correct compatibility and function of the airbag system.
The Audi OEM number 8K0 959 655 B is the official identification for this original part.
The Bosch number 5WK43749 is the corresponding manufacturer part number, as Bosch is a major supplier of such electronic components.
There are no other manufacturer-verified alternative OEM part numbers for this specific Audi RS5 8T airbag control unit.
An incorrect part number can compromise safety, so accurate identification is crucial for any Audi RS5 8T airbag control unit repair.