What is a Land Rover Discovery L319 airbag control unit?
The Land Rover Discovery L319 airbag control unit is your vehicle's central safety unit, instantly activating all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors sensors and stores important crash data. An early repair of the Land Rover Discovery L319 airbag control unit ensures the safety and functionality of the entire SRS system.
This electronic control unit, also known as the SRS module, is the brain of the passive safety system. It continuously receives signals from impact sensors and triggers the necessary restraint systems in milliseconds.
A fully functional airbag control unit is essential for vehicle licensing and your road safety. If the airbag warning light illuminates, it indicates the need for immediate Land Rover Discovery L319 airbag control unit repair.
Why is the Land Rover Discovery L319 airbag control unit defective?
A Land Rover Discovery L319 airbag control unit often fails because it stores non-erasable crash data after an accident or suffers from internal electronic errors. Age-related wear and tear or short circuits can also lead to failure, causing the airbag warning light to remain permanently illuminated and making a professional Land Rover Discovery L319 airbag control unit repair unavoidable.
After a vehicle accident, the control unit stores indelible crash data in its memory. This data completely blocks the system until the error log is cleared by a specialized Land Rover Discovery L319 airbag control unit repairer.
Internal electronic defects, communication problems, or a faulty memory chip can also impair the function of the airbag control unit and lead to failure. Such internal errors require precise diagnosis and often a specialized repair of the module to resolve the issue.
Common error codes for Land Rover Discovery L319 airbag control unit repair
A faulty Land Rover Discovery L319 airbag control unit will produce specific error codes that directly indicate problems with the control unit itself and require immediate Land Rover Discovery L319 airbag control unit repair. These B-codes indicate internal module defects, communication problems, or stored crash data.
- B1000 → Control unit communication error → Problem with data transmission of the airbag control unit.
- B1015 → Airbag control unit (SRS module) error → Internal malfunction of the SRS module.
- B107E → Airbag module related error → A general error within the airbag control unit.
- B1139 → Error within the SRS module → A serious internal defect in the SRS system.
- B207F → SRS unit error → The entire SRS control unit reports an error.
- Crash data saved → System blocked after accident → Requires professional reset of crash data.
- Internal Error → Memory cannot be erased → Indicates a critical internal defect that requires repair.
What part numbers are available for the Land Rover Discovery L319 airbag control unit repair?
For Land Rover Discovery L319 airbag control unit repairs, the OEM part numbers 8H22-14D374-AC and HY3214D374AA are primarily relevant, as they have been verified to work specifically for this model and specific years of manufacture. These numbers ensure that you receive a genuine or compatible replacement part for your SRS system.
Part number 8H22-14D374-AC is the original OEM Land Rover airbag control unit for the Discovery III (L319). It specifically fits models from 2004 to 2009, often in conjunction with the 2.7 TD engine.
The number HY3214D374AA is another, later verified, Land Rover OEM part number. It is listed for Discovery models from 2014 to 2017 and can serve as an alternative reference when sourcing parts for a Land Rover Discovery L319 airbag control unit repair.
Technical specifications for the Land Rover Discovery L319 airbag control unit repair
The Land Rover Discovery L319 airbag control unit repair concerns a central SRS unit designed for models from July 2004 to September 2009. This electronic control unit monitors all airbag sensors and deploys the airbags in the event of an impact, also storing important fault and crash data.
The module is located centrally in the vehicle, often under the dashboard or in the footwell. It has specific connections to the vehicle battery, the impact sensors, and the individual airbag modules.
This electronic component is optimized for Land Rover Discovery III (L319) models. Its functionality includes monitoring the entire airbag system and storing relevant data for subsequent diagnosis after an accident.
Important information about Land Rover Discovery L319 airbag control unit repair
The Land Rover Discovery L319 airbag control unit repair should only be performed by qualified specialist workshops, as it is a safety-critical system. Improper handling can pose serious risks. The repair often involves erasing stored crash data and testing the internal electronics.
Some airbag control units are VIN-specific and require reprogramming to the vehicle after installation. This programming ensures that the control unit communicates correctly with the other vehicle systems and that all safety functions are properly performed.
The repair time for a defective airbag control unit varies depending on the type of fault, but is usually between 3 and 5 business days. The cost of a Land Rover Discovery L319 airbag control unit repair depends on the extent of the damage and includes restoring the vehicle-specific data, often significantly less expensive than purchasing a new one.