Home >> Land Rover >> 2014 >> Range Rover Base >> Repair and Diagnosis >> Transmission >> Transfer Case >> Diagnostic Trouble Code Index DTC: Transfer Case Control Module (TCCM) -- Range Rover/L405 >> Diagnostic Trouble Code Index DTC: Transfer Case Control Module (TCCM) >> Description And Operation >> DTC P0666-64: Control Module Internal Temperature Sensor "A" Circuit - Signal plausibility failure >> Possible Causes