Range Rover BCU Repairs: Body Control Unit Service Procedures
CONTROL UNITS AND RELAYS
REPAIRS
86-3-3
Body Control Unit (BCU)
$% 86.55.75
If the BCU is to be replaced then Testbook/T4 must
be connected and correct procedures adhered to,
prior to battery disconnection.
Before disconnecting the battery, ensure all text and
cautions in the battery disconnection section are
observed.
GENERAL INFORMATION, Electrical
Remove
1. Make the SRS system safe.
Supplementary Restraint System (SRS)
Precautions.
2. Remove front passenger seat.
3. Release 2 turnbuckles securing cover and
remove cover.
4. Release and disconnect 3 multiplugs from
BCU.
5. Remove BCU.
Refit
1. Fit BCU and connect multiplugs.
2. Fit cover and secure with turnbuckles.
3. Fit front seat.
4. Configure new BCU using TestBook/T4.
M86 5719