While the lights are on, wiggle the wiring looms near the door hinges and under the dash. If the lights flicker or the code resets, you’ve found the break.
Leaking sunroof drains or windshield seals often drip water directly onto the CJB/BCM, causing pins to short. land rover b1d9f-11
Land Rover electrical systems are notoriously sensitive to voltage drops. A battery at or below 12V can cause various modules to report inaccurate communication errors Reddit . While the lights are on, wiggle the wiring
