Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Land Rover DiscoveryFACTORY OEM SERVICE PROCEDURE
Body Control Unit
- Description
- General
- IDM
- Transit mode
- Power supply
- Inputs and outputs
- Diagnostic socket
- Programmable options
- Anti-theft system
- Central Door Locking (CDL)
- Electric windows and sunroof
- Wipers and washers
- Electric seats
- Direction indicators and hazard warning lamps
- Headlamps
- Front fog lamps
- Instrument pack
- Starting
- Cruise control
- Shift interlock (where fitted)
- Ignition key interlock (where fitted)
- Transfer box interlock (where fitted)
- Gear position switch
- Transmission neutral selector
- Self levelling suspension and ABS
- Hill descent control
- Heated screens
- Interior courtesy lamps
- Fuel flap actuator
- Audible warnings
- Operation
- Notes
- Transit mode
- Anti-theft system
- Central door locking
- Electric windows and sunroof
- Heated screens
- Wipers and washers
- Electric seats
- Direction indicators and hazard warning lamps
- Courtesy headlamps
- Daylight running lamps
- Fog lamps
- Interior courtesy lamps
- Instrument pack
- Gear position indicator illumination
- Starter relay
- Cruise control
- Shift interlock (where fitted)
- Ignition interlock (where fitted)
- Transfer box interlock (where fitted)
- Gear position switch
- Fuel flap release
- Audible warnings
- SLABS raise/lower
- 86.55.75 Removal and Installation - Body control unit (BCU)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.