What is a Rover Range Rover 4.6 airbag control unit?
The Rover Range Rover 4.6 airbag control unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It monitors sensors, stores important crash data, and ensures the proper functioning of all airbag modules in the vehicle.
This module is responsible for controlling airbag deployment and monitoring the entire Supplemental Restraint System (SRS). It continuously receives signals from various crash and side impact sensors.
Once triggered, the device stores detailed crash data in its internal memory. It also records error codes that indicate malfunctions in the airbag system and may require repair of the Range Rover 4.6 airbag control unit.
Why is the Rover Range Rover 4.6 airbag control unit faulty?
A Range Rover 4.6 airbag control unit often fails because crash data stored after an accident blocks the system. Internal electronic errors, short circuits, or moisture damage can also lead to failure. The airbag warning light then stays on, compromising safety.
After an airbag deployment, even in minor accidents, the control unit stores irreversible crash data. This data must be professionally erased or the control unit replaced at a specialized Rover Range Rover 4.6 airbag control unit repair shop to restore full functionality.
Common defects also include internal circuit errors or a lack of communication with the vehicle network. Such failures render the system inoperable and compromise the required level of safety.
Common error codes for Rover Range Rover 4.6 airbag control unit repair
During a Range Rover 4.6 airbag control unit repair, specific error codes may occur that indicate problems with the airbag control circuits or internal communication. These codes indicate short circuits, open circuits, or signal interference within the control unit itself, requiring precise diagnosis.
- B0001-11: Driver Frontal Stage 1 Deployment Control – The cause is a short circuit to ground in the airbag control circuit.
- B0001-12: Driver Frontal Stage 1 Deployment Control – The cause is a short circuit after the battery in the airbag control circuit.
- B0001-13: Driver Frontal Stage 1 Deployment Control – The cause is an open circuit in the airbag control circuit.
- B0001-2B: Driver Stage 1 Deployment Control – The cause is a signal cross-coupling in the airbag control circuit.
- B0002-11: Driver Frontal Stage 2 Deployment Control – The cause is a short circuit to ground in the second airbag control circuit.
- B0002-12: Driver Frontal Stage 2 Deployment Control – The cause is a short circuit after the battery in the second airbag control circuit.
- B0002-13: Driver Frontal Stage 2 Deployment Control – The cause is an open circuit in the second airbag control circuit.
- B0002-2B: Driver Frontal Stage 2 Deployment Control – The cause is a signal cross-coupling in the second airbag control circuit.
- B1000: Control unit communication error – The cause is a faulty connection or an internal defect in the airbag ECU.
What part numbers are available for the Rover Range Rover 4.6 airbag control unit repair?
Two primary, verified OEM part numbers are known for the Range Rover 4.6 airbag control unit repair: LR067254 and AH2214D374AG. These numbers identify genuine parts from Land Rover or its suppliers and ensure that a replacement unit precisely matches the vehicle model and safety requirements.
- LR067254: This is an official Land Rover OEM part number for airbag diagnostic and control unit, suitable for various Range Rover models, including the 4.6.
- AH2214D374AG: This Land Rover OEM part number, probably from supplier Autoliv, is listed for Range Rover Sport models from approximately 2010-2013 and is also compatible with the 4.6 model.
Using these exact part numbers is crucial to ensure compatibility and safe operation after the Rover Range Rover 4.6 airbag control unit repair.