2003 Land Rover Range RoverFACTORY OEM SERVICE PROCEDURE

Control Units

CONTROL UNITS LOCATION

Component Component Location
Air Bag Diagnostic Control Unit Below center console. See Figure .
Air Supply Unit Below spare tire in luggage compartment.
Air Suspension Electronic Control Unit Under lower right side of dash. See Figure .
Body Control Unit Under right front seat. See Figure .
Electronic Automatic Transmission/Electronic Control Unit In E-box.
Electronic Control Unit On firewall.
Engine Control Module In E-box.
Heated Steering Wheel Electronic Control Unit Behind steering wheel. See Figure .
Immobilization Electronic Control Unit Below center console.
Light Check Module On right kick panel.
Parking Aid Electronic Control Unit Behind right luggage compartment trim panel.
Tank Leakage Diagnostic Module Behind right rear wheel arch liner.
Telephone Control Unit Behind left luggage compartment trim panel.
Tire Pressure Monitoring Electronic Control Unit Under right front seat.
Trailer Electronic Control Unit Behind right luggage compartment trim panel.
Video Module Unit Behind left luggage compartment trim panel.
Voice Recognition Module Behind left luggage compartment trim panel. See Figure .
Factory Service Tools

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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.