What is an Infiniti FX35 S50 airbag control unit?
The Infiniti FX35 S50 airbag control unit is the central safety unit that precisely activates all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors sensors, stores relevant crash data, and ensures the correct functioning of the entire passive safety system for your vehicle model.
This module, also known as the SRS Control Module, is crucial for occupant safety. It's a highly sensitive device that processes vehicle information in real time.
Proper functioning of the airbag control unit is essential for quick and reliable response in an emergency. Regular diagnostics can detect errors early.
Why is the Infiniti FX35 S50 airbag control unit defective and requires repair?
An Infiniti FX35 S50 airbag control unit is often diagnosed as defective after an accident because it permanently stores crash data that needs to be erased, or because it has internal hardware failures. Age, moisture, or voltage fluctuations can also cause malfunctions that require specialized repair to restore vehicle safety.
After an impact, the control unit stores indelible crash data, which permanently activates the airbag light. This signals that the module can no longer fulfill its primary protective function.
Even without an accident, internal component failure, software errors, or age-related material fatigue can affect the module. A professional diagnosis is then necessary to identify the exact cause.
Repairing the Infiniti FX35 S50 airbag control unit is often a cost-effective alternative to buying a new one, especially if it is just a data set reset.
Common error codes for Infiniti FX35 S50 airbag control unit repair
When an Infiniti FX35 S50 airbag control unit repair is necessary, specific OBD-II B codes may occur that directly indicate internal problems with the module. These codes often signal communication errors, memory corruption, or power supply issues within the airbag control unit itself, which require immediate troubleshooting.
These error codes are crucial for diagnosing airbag control unit malfunctions. They help the workshop pinpoint the problem precisely.
Deleting "Crash Data Stored" is a common step in airbag control unit repair to make the module operational again.
- B1000 → Control unit communication error → Indicates disturbed data transmission within the module or to the vehicle.
- B1001 → Internal memory error in the control unit → Indicates damage to the module's internal data storage.
- B1014 → Airbag control module power supply error → Indicates problems with the power supply to the module.
- B1020 → Airbag control unit timing error → Indicates a fault in the module's internal timing control.
- B1040 → Faulty Airbag Control Unit Software Version → Indicates incompatible or corrupted software in the module.
- B1100 → Airbag control unit EEPROM error → Indicates a defect in the module's non-volatile memory.
- B1140 → Airbag control module internal circuit fault → Indicates damage to the electronic components in the module.
- B1235 → Communication error with airbag sensors → May indicate a problem in the control module if it cannot process the sensor data.
- B1300 → Faulty airbag control unit diagnostic function → Signals that the module cannot perform its own diagnostic processes correctly.
Which part numbers are relevant for the Infiniti FX35 S50 airbag control unit repair?
For a precise Infiniti FX35 S50 airbag control unit repair, specific OEM part numbers are crucial to ensure compatibility and prevent malfunctions. These original Infiniti numbers identify the exact module for different model years of the S50 series, which is essential for a successful repair.
Using the correct part number is essential, as airbag control units are vehicle-specific and often require programming. An incorrect part number can lead to incompatibility.
After an airbag control unit repair, the module often has to be recoded to the vehicle in a specialist workshop to ensure full functionality.
- 98820-CL70A: Genuine OEM airbag control unit for Infiniti FX35 S50 models from 2006-2008.
- K851M-1CA3A: Original OEM airbag module driver side for Infiniti FX35 S50 models from 2009-2012.
- K851M-1CA0A: Original OEM airbag module driver side for Infiniti FX35 S50 models from 2009-2012.
- K8510-1WW0B: Original OEM airbag module driver side for Infiniti FX35 S50 models from 2009-2012.
No alternative supplier numbers or spare parts numbers from other suppliers have been confirmed, as these modules are usually only traded and programmed with the original number.
Where is the Infiniti FX35 S50 airbag control unit located and how is it installed after repair?
The Infiniti FX35 S50 airbag control unit is typically located under the center console in the front passenger compartment, often near the gearshift lever. Installation after a repair requires careful connection of all connectors and proper fastening, with the vehicle's battery disconnected beforehand to avoid any safety hazards.
The exact location may vary slightly depending on the model year of the Infiniti FX35 S50. However, it is always installed centrally in the vehicle interior.
Before beginning any work on the airbag system, the negative terminal of the vehicle's battery must be disconnected. This prevents accidental airbag deployment and protects against electric shock.
After mechanical installation and electrical connections, a final programming of the airbag control unit using special diagnostic tools is required by a specialist workshop. This ensures correct function and clears any warning lights.
Why is professional Infiniti FX35 S50 airbag control unit repair so important?
A professional Infiniti FX35 S50 airbag control unit repair is of utmost importance, as it restores the full functionality of the passive safety system and thus ensures occupant safety in the event of an accident. Only a professional repair, including erasure of crash data and recoding if necessary, ensures operational reliability and prevents persistent warning messages.
The correct functioning of the airbag system is not only a matter of safety, but also of legal regulations. A defective airbag control unit can lead to failure of the vehicle's general inspection.
Specialized airbag control unit repair not only saves costs compared to a new part, but also conserves resources. It's a sustainable solution for a defective module.
When it comes to airbag control unit repairs, rely only on certified service providers and workshops that have the necessary expertise and the special tools required to get your Infiniti FX35 S50 back on the road safely.