What is a Nissan Murano Z51 airbag control unit?
The Nissan Murano Z51 airbag control unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It continuously monitors sensors, stores relevant crash data, and ensures the proper functioning of all airbag modules and seatbelt pretensioners in the vehicle, essential for your safety.
This electronic control unit, also called the SRS module, coordinates the entire passive safety system in your Nissan Murano Z51. It is the core that decides when and how airbags and seatbelt pretensioners are deployed in an emergency.
The control unit is specifically designed for the second generation of the Nissan Murano (Z51), produced from 2007 to 2014. It ensures compatibility with various engines, such as the 3.5L V6 gasoline engine or the 2.5 dCi diesel.
Why is the Nissan Murano Z51 airbag control unit defective?
A Nissan Murano Z51 airbag control unit may be defective because it stores crash data after an accident, preventing the system from restarting. Internal malfunctions such as memory or communication issues, as well as electrical voltage problems, can lead to failure and require professional repair.
The most common cause of a defect is the storage of crash data after an airbag deployment. After an accident, the control unit must either be repaired and reset or completely replaced.
Internal component failures or age-related wear and tear can also cause the airbag control unit to stop functioning. This is often indicated by an illuminated airbag warning light on the dashboard.
Voltage problems or short circuits in the Nissan Murano Z51's electrical system can damage the control unit's sensitive electronics. A correct diagnosis is crucial before initiating repairs.
Only specialized workshops have the necessary equipment to diagnose such a defective control unit and carry out the necessary Nissan Murano Z51 airbag control unit repair.
Common error codes for Nissan Murano Z51 airbag control unit repair
During a Nissan Murano Z51 airbag control unit repair, specific error codes are often read out, indicating internal problems or communication issues within the module. These codes indicate that the control unit itself is malfunctioning, rather than an external sensor.
- B1000: Control unit communication error → Meaning: The airbag control unit cannot communicate correctly with other vehicle systems → Cause: Internal software problems or wiring errors on the module.
- B1049: Internal control unit error → Meaning: The airbag module has detected an internal malfunction → Cause: Hardware defect or software corruption within the control unit.
- B1054: Voltage / Circuit Problem in the Control Module → Meaning: Insufficient or fluctuating power supply to the airbag control module → Cause: Internal circuit problems or problems with the power supply to the module.
- B1070: Passenger Airbag Module Circuit Error → Meaning: The control unit detects a problem in the passenger airbag circuit → Cause: Error in the control unit output for the passenger airbag module, often to be repaired after a crash.
- B1129: Airbag control unit internal self-diagnosis error → Meaning: The control unit cannot correctly check its own functionality → Cause: Deeper internal hardware or software error in the module.
- B1134: Memory or communication problem → Meaning: The airbag control unit has problems storing data or transmitting data → Cause: Damaged data memory or faulty communication components in the control unit.
What part numbers are available for the Nissan Murano Z51 airbag control unit repair?
For Nissan Murano Z51 airbag control unit repairs, several specific Nissan OEM part numbers are relevant, ensuring an exact fit for your vehicle. These numbers identify the original replacement part and are crucial for a successful repair or replacement of the defective module.
- 98820-5AB9A: This is a genuine OEM Nissan part number for the airbag control unit, suitable for the Nissan Murano Z51.
- 98820CC20A: Another validated genuine OEM Nissan part number used for the airbag control module in the Nissan Murano Z51.
- 988201AH0A: This Nissan OEM number is explicitly confirmed for the airbag control unit of the Nissan Murano II Z51 and is important for the exact model series.
- 988201AT0A: Also a genuine Nissan part number for the airbag control unit, showing compatibility with the Murano Z51, especially 2.5 dCi variants.
It's important to always verify the exact part number when repairing or replacing the Nissan Murano Z51 airbag control unit. Only the correct OEM part number guarantees the full functionality and safety of the system.
These genuine Nissan part numbers have been validated by multiple independent professional spare parts portals and OEM catalogs. They are valid exclusively for the airbag control unit of the Nissan Murano Z51 and not for other sensors or safety system modules.
When purchasing a replacement part or hiring a repair shop to repair your Nissan Murano Z51 airbag control unit, please ensure that one of these verified OEM part numbers is used.