Could a failing battery be triggering "ghost" codes in the PDM? Module: Passenger Door Module (PDM). Component: Front courtesy lamps circuit.
using approved diagnostic equipment like JLR Pathfinder or SDD. Wiring Inspection: land rover b109c15 extra quality
Water leaks from the windshield cowl or sunroof drains drip directly onto the wiring harness that runs to the HVAC module. This causes green corrosion (copper sulphate) on the pins, leading to resistive shorts. Could a failing battery be triggering "ghost" codes