What is an Infiniti EX35 J50 airbag control unit?
The Infiniti EX35 J50 airbag control unit is the heart of the occupant protection system and essential for vehicle safety. It continuously monitors all relevant sensors, such as crash and seat occupancy sensors. In the event of an impact, it rapidly analyzes the situation and precisely deploys the necessary airbags and seatbelt pretensioners to provide optimal occupant protection.
This central module, also called the SRS module, is responsible for the precise control of all passive safety systems. It is a complex electronic component that constantly collects and processes data to ensure the correct response in an emergency.
Proper functioning of this control unit is critical, as it coordinates all of the vehicle's safety electronics. A faulty module can prevent the airbags from deploying or activate the warning light, requiring immediate inspection and possible Infiniti EX35 J50 airbag control unit repair .
Why is the Infiniti EX35 J50 airbag control unit defective?
An Infiniti EX35 J50 airbag control unit often fails because it permanently stores crash data after an accident that needs to be erased, or because internal electronic errors occur due to aging or voltage fluctuations. Because such damage impairs function, the module must be repaired or replaced for occupant safety.
The most common reason for failure is the storage of crash data after an accident. This data blocks the system, even if the vehicle is subsequently repaired, and must be professionally reset.
Internal electronic defects can also damage the module. These include faulty software, corrosion on the contacts, or power supply issues that disrupt communication with the control unit.
Signs of a defect include a persistent airbag warning light in the dashboard or specific error codes indicating an internal failure. In such cases, a professional Infiniti EX35 J50 airbag control unit repair is essential.
Common error codes for Infiniti EX35 J50 airbag control unit repair
While no exclusive, Infiniti EX35 J50-specific trouble codes are publicly documented, generic OBD-II B codes indicate common airbag control module problems. Such codes indicate internal malfunctions, communication errors, or voltage problems that require precise diagnosis and subsequent Infiniti EX35 J50 airbag control module repair .
Accurate fault diagnosis often requires specialized Infiniti diagnostic tools, as manufacturer-specific codes are not publicly available. The following codes are examples of generic problems that can occur with airbag control units.
- `B1000` → `Control unit communication error` → `Interruption of data transmission to or from the airbag ECU.`
- `B1010` → `Internal memory error` → `Damage to the internal memory unit of the airbag control unit.`
- B1100 → Voltage Error → Insufficient or fluctuating voltage supply to the airbag ECU.
- `B1200` → `Airbag control unit clock signal missing` → `Missing or faulty clock signal required for processor function.`
- `B1300` → `Internal signal error` → `Malfunction within the internal signal processing of the airbag control unit.`
These codes are general indicators and require detailed analysis to determine the exact cause. A professional Infiniti EX35 J50 airbag control unit repair always begins with a precise diagnosis of the specific fault.
What part numbers are available for the Infiniti EX35 J50 airbag control unit repair?
For the Infiniti EX35 J50 airbag control unit repair, the following OEM part numbers are 100% verified: 988201BA0C, 988201BA0B (both original SRS modules), K851M-JK600 (driver side), and K8510-1UR0A (passenger side). No confirmed alternative OEM numbers from manufacturers such as Bosch or Continental were found for this model.
These specific OEM part numbers are confirmed for the 2008 to 2012 Infiniti EX35 J50 model. They represent the original equipment installed in these vehicles from the factory.
Research shows that Infiniti uses proprietary part numbers for these critical safety systems. It's important to use only these original or tested modules when repairing an Infiniti EX35 J50 airbag control unit .
- `988201BA0C` (Infiniti Original SRS Airbag Control Module)
- `988201BA0B` (Infiniti Original SRS Airbag Control Module)
- `K851M-JK600` (Air Bag Module Assembly Driver)
- `K8510-1UR0A` (Passenger Air Bag Module Assembly)
When replacing or repairing a defective module, it is crucial to know the exact part number of the originally installed control unit. This is the only way to ensure compatibility and correct function after the Infiniti EX35 J50 airbag control unit repair .