In Land Rover diagnostics, the code B109C-15 refers to a fault with the Front Courtesy Lamps, specifically indicating a general electrical failure caused by a circuit short to the battery or an open circuit.
Many owners see this code after installing "high quality" logo projector lights or LED upgrades. If these units don't match the expected electrical resistance, the module may shut down the circuit to protect itself. Damaged Wiring: land rover b109c15 extra quality
While "extra quality" isn't a technical term for this fault, it often appears in search queries related to finding high-quality repair guides or parts. Here is a breakdown of what this code means and how to address it. What Does Code B109C-15 Mean? This code is typically triggered by the Driver Door Module (DDM) Passenger Door Module (PDM) In Land Rover diagnostics, the code B109C-15 refers
Prevention is key