What is a Nissan Xterra WD22 airbag control unit?
The Nissan Xterra WD22 airbag control unit is the central safety unit that activates all occupant restraint systems in the event of a crash. It monitors sensors, stores relevant crash data, and ensures the proper function of all airbag modules and seatbelt pretensioners in the vehicle, essential for your safety after a collision.
This electronic control module, also called the SRS module, acts as the brain of the passive safety system. It receives signals from impact sensors and deploys the airbags precisely and at a specific time when necessary.
The control unit is connected to the vehicle's network via standardized electrical connectors. It enables diagnostics and communication via the on-board diagnostics (OBD II) interface, which is crucial for the "Nissan Xterra WD22 airbag control unit repair."
Why is the Nissan Xterra WD22 airbag control unit defective?
The Nissan Xterra WD22 airbag control unit is typically reported as "defective" or "broken" after an accident because, as is its function, it permanently stores accident-related crash data. This data activates the airbag warning light and must be erased to restore the systems, which requires a professional "Nissan Xterra WD22 airbag control unit repair."
Because crash data is stored in the module's internal memory after an impact, the airbag warning light illuminates. This signals that the system is deactivated and requires inspection.
This stored crash data prevents the airbag system from functioning properly and must be reset to restore the module to full functionality. Replacement is often unnecessary, as a reset service can significantly reduce the cost of a "Nissan Xterra WD22 airbag control unit repair."
Common error codes for Nissan Xterra WD22 airbag control unit repair
During Nissan Xterra WD22 airbag control unit repairs, error codes B1000 and B1110 often occur, which directly indicate problems within the control unit itself. These OBD-II B-codes signal communication problems or internal module errors that require professional diagnostics and a reset.
- B1000 → Control unit communication error → The airbag ECU cannot send or receive correct signals.
- B1110 → Diagnostic Sensor Unit Error → A problem in the internal airbag computer module itself, often correctable by resetting.
These specific error codes indicate a malfunction within the SRS module, not external sensors or seatbelt pretensioners. A failure of this type requires a "Nissan Xterra WD22 Airbag Control Module Repair" to restore full functionality of the airbag system.
After a successful repair or reset of the module, these trouble codes can be cleared using a specialized OBD-II airbag scanner. This ensures that the airbag warning light goes out and the system is ready again.
What part numbers are available for the Nissan Xterra WD22 airbag control unit repair?
For the Nissan Xterra WD22 airbag control unit repair, two 100% verified OEM part numbers are primarily known and documented: 28556-EC00B and 98820-ZP31A. These genuine Nissan numbers ensure full compatibility and safety for your WD22 series vehicle model, crucial for any repair.
Part number 28556-EC00B is a genuine OEM number specifically listed as the SRS Airbag Computer Diagnostic Control Module for the Nissan Xterra WD22 from approximately 2005. It is listed by specialized providers for "Nissan Xterra WD22 Airbag Control Module Repair."
Another proven OEM number is 98820-ZP31A, which is relevant for the Nissan Xterra airbag control unit from approximately 2006 to 2011. Both numbers are designed for the WD22 series and confirm their suitability for service.
It's important to note that no direct replacement or alternative supplier numbers have been publicly confirmed. Therefore, for a reliable "Nissan Xterra WD22 Airbag Control Module Repair," only these OEM part numbers should be used to avoid compatibility issues or system failure.