What is a Rover Freelander SE airbag control unit?
The Rover Freelander SE airbag control unit is the central safety unit in the vehicle, responsible for monitoring and activating all occupant restraint systems in the event of an accident. It processes signals from collision sensors, stores important crash data, and controls the precise deployment of the airbags and seatbelt pretensioners to ensure passenger safety.
The airbag control unit, also called SRS ECU, continuously monitors the vehicle sensors to detect impact events.
It is designed for the first generation Rover Freelander (type LN, built 1997–2006) and operates using the vehicle’s 12V electrical system.
Why is the Rover Freelander SE airbag control unit defective?
A Rover Freelander SE airbag control unit can malfunction, often after an accident due to stored crash data that requires a reset. Internal electronic faults, power supply problems, or memory errors are other causes. Such failures make a professional Rover Freelander SE airbag control unit repair essential to restore the safety systems to working order.
After an impact, the control unit stores indelible crash data, which results in the module being locked.
Common causes of failure are internal memory module errors (e.g. B0010) or communication problems in the vehicle network.
Power supply errors (e.g. B1002) or general operating errors of the control unit can also lead to a broken system.
Common error codes for Rover Freelander SE airbag control unit repair
During a Rover Freelander SE airbag control unit repair, specific error codes occur that directly indicate internal problems with the control unit, not sensors. These B-codes identify critical failures such as memory module errors, communication malfunctions, or internal operational errors. Accurate diagnosis of these errors is essential for restoring system integrity.
- B0001 → Driver airbag level 1 – deployment monitoring → Internal control unit error
- B0010 → Control unit memory module error → Damage or corruption of the internal memory
- B0014 → SRS control unit communication error → Fault in the data transmission of the module
- B0015 → Airbag control unit internal error → General system failure of the control unit
- B1001 → Internal memory error → Problem with the data memory in the control unit
- B1002 → Control unit power supply error → Problems with the electrical supply to the control unit
What part numbers are available for the Rover Freelander SE airbag control unit repair?
For a successful Rover Freelander SE airbag control unit repair, it is crucial to identify the exact original part number of the defective module. Verified OEM numbers such as M9V214D374AB, 52010565B, and 394051 are specific to the Rover Freelander SE airbag control unit. They ensure correct compatibility and function after replacement or reset.
- M9V214D374AB – Land Rover / Bosch – Original OEM
- 52010565B – Land Rover – Genuine OEM
- 394051 – Land Rover – Genuine OEM
These numbers are verified for the Rover Freelander SE airbag control unit (no sensors or other modules).
No different or alternative OEM replacement numbers are known for this control unit.
Rover Freelander SE Airbag Control Unit Repair: Benefits and Installation Instructions
The Rover Freelander SE airbag control unit repair offers a cost-effective alternative to purchasing a new one, as the module can often be reset and reused after an accident. This saves costs and allows for quick return to operation of the vehicle, often without the need for complex reprogramming. A specialist workshop can perform this professionally.
Resetting the module is an efficient method to restore the control unit to its original state after an accident without complex programming, provided there are no hardware defects.
The airbag control unit is usually installed centrally in the vehicle interior, often on the vehicle floor or near the center tunnel under the dashboard.
Connections are made via multiple plugs for power and data lines to airbags and sensors; the installation must be carried out according to the manufacturer's specifications to comply with safety standards and ensure the correct functioning of the airbag systems.