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jx2mad
11th June 2013, 11:33 AM
Can anyone tell me what the box under the passenger seat does? Vehicle is an '03 TD6. Thanks, Jim
Laurie
11th June 2013, 10:51 PM
Jim
If it's the one with a cover, it's the BCU (Body Control Unit)

Laurie
Maxintosh
12th June 2013, 11:09 AM
Jim, Tilt sensor is also there, and if you have the Tyre Pressure Monitoring kit fitted its ECU is below the Body Control Unit also.
jx2mad
12th June 2013, 04:26 PM
What on earth does the body control unit do?
Homestar
12th June 2013, 05:29 PM
All sorts - don't drown it, or you'll find out exactly what it does...:D
Laurie
12th June 2013, 05:32 PM
Jim
Basically it's the central brain for the electronic systems in the car, the engine has it's own unit ! The amount of functions it performs varies from model to model, but usally it's in line with the options fitted.

Laurie
Maxintosh
13th June 2013, 09:43 AM
FYI...BCU box info from the manual....

http://rapidshare.com/files/1471271919/BCU%20from%20the%20Workshop%20Manual%20L322%20Rang e%20Rover%20(dragged).pdf