Land Rover B1d1787 -

: A shorted sounder can stay "awake," draining your main car battery overnight.

: A short circuit in the sounder or its wiring can cause a parasitic draw, leaving your main car battery flat. land rover b1d1787

The code on a Land Rover is a specific diagnostic fault indicating a communication failure with the Battery Backed Up Siren (BBUS) . This is part of the vehicle's anti-theft alarm system. 🛠️ Fault Overview: B1D17-87 : A shorted sounder can stay "awake," draining