What is a Nissan Serena C24 airbag control unit?
A Nissan Serena C24 airbag control unit is the central safety unit that uses sensors to measure the impact intensity in the event of a crash and then precisely activates all passive occupant restraint systems, such as airbags and seatbelt pretensioners. It also stores important crash data and error codes to ensure system integrity and vehicle safety at all times.
This modular control unit continuously monitors the status of the entire airbag system, ensuring that all components, from the crash sensors to the deployment modules, are functioning properly.
In the event of a trigger, the control unit stores the relevant data. This is crucial for later diagnosis and professional repair of the system.
Why is the Nissan Serena C24 airbag control unit defective?
The Nissan Serena C24 airbag control unit often fails because, after an accident involving airbag deployment, it stores crash data that prevents further operation. Internal hardware or software errors, voltage spikes in the vehicle electrical system, or corrosion can also lead to failure and seriously impair the safety system's function. Repairing the airbag control unit is often the most cost-effective solution.
After an airbag is deployed, the control unit is "locked" due to stored crash data and must be reset to function again. Such a failure can be indicated by a permanently illuminated airbag warning light and requires professional diagnosis.
In many cases, a defective module can be repaired rather than completely replaced, saving costs and protecting the environment. Such a repair can restore your Nissan Serena C24 airbag control unit to full functionality by erasing crash data and correcting internal errors.
Common error codes for Nissan Serena C24 airbag control unit repair
During Nissan Serena C24 airbag control unit repairs, specific error codes occur that directly indicate problems within the airbag control unit. These codes are crucial for a precise diagnosis because they are not caused by sensors or external components, but rather relate to an internal defect in the control unit or its communication.
- B0091 → Control unit (Airbag Control Module) problems → Internal control unit error
- B1231 → Event threshold exceeded → Trigger event stored in the control unit
- B1499 → Deployed airbag detected → Crash data stored in the control unit
- B1620 → Internal Error - Replace Control Unit → Serious internal defect of the ECU
- 65535 → Intermittent internal memory error → Error in the internal memory of the control unit
- U1000 → CAN bus communication error → Communication failure of the airbag ECU with the vehicle network
What part numbers are available for the Nissan Serena C24 airbag control unit repair?
For Nissan Serena C24 airbag control unit repairs, various exact OEM part numbers are relevant, ensuring 100% compatibility. These specific original Nissan part numbers are crucial to ensuring that the repaired or replaced airbag control unit is a perfect fit for the vehicle model and properly performs all safety functions.
- 28556 4N006-93C46 → Nissan → Original OEM
- 98820-AV200 → Nissan → Original OEM
- 98820-AV21A → Nissan → Original OEM
These part numbers have been carefully verified to ensure exclusive fitment for the Nissan Serena C24 airbag control unit. For a successful Nissan Serena C24 airbag control unit repair, identifying the correct OEM part number is essential to ensure full functionality and safety.