If you own a modern Land Rover (Discovery 5, Range Rover Velar, Range Rover Sport L494, or the new Defender L663), you have likely encountered the cryptic fault code while scanning the vehicle’s Central Junction Box (CJB) or Body Control Module (BCM). For many owners and technicians, this code triggers immediate frustration, leading to unnecessary parts swapping and recurring labor costs.
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: This code is usually logged by the Driver Door Module (DDM) or the Passenger Door Module (PDM) . If you own a modern Land Rover (Discovery
Land Rover B109C15 Extra Quality: Comprehensive Diagnostic and Repair Guide Range Rover Velar