Home >> Land Rover >> 2017 >> Range Rover Sport Autobiography >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Suspension Control Module (CHCM) -- Range Rover Sport/L494 >> Diagnostic Trouble Code Index DTC Suspension Control Module (CHCM) >> Description And Operation >> DTC C105B-64: Actuator Circuit Group B - Signal plausibility failure >> Possible Causes