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Home >> Land Rover >> 2019 >> Range Rover Autobiography >> Repair and Diagnosis >> External Pages >> Different car >> Section 190 (Diagnostic Trouble Code Index DTC: Body Control Module (BCM) -- Range Rover Sport/L494) >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Body Control Module (BCM) (G2165406) >> DTC B1B01-81: Key Transponder - Invalid serial data received >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2019 Land Rover Range Rover Sport. However, it is still accessible from the selected car via links, so may be relevant.
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