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Home >> Land Rover >> 2022 >> Defender 90 >> Repair and Diagnosis >> General Information >> Specifications Index >> Diagnostic Trouble Code Index DTC: Body Control Module (BCM) -- Defender/L663 >> Diagnostic Trouble Code Index - DTC: Body Control Module (BCM) (G2400885) >> Description And Operation >> Body Control Module (BCM) >> DTC B1B01-64: Key Transponder - Signal plausibility failure >> Action
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DTC B1B01-64: Key Transponder - Signal plausibility failure: Action

NOTE: To validate the repair firstly remove the battery from the Smart key and check that the vehicle can be started through the back-up start procedure (holding the Smart key next to the immobilizer antenna unit and operating the stop start switch)