Home >> Land Rover >> 2016 >> Range Rover Autobiography >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) -- Range Rover/L405 >> Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) >> Description And Operation >> DTC P07B4-15: Transmission Park Position Sensor/Switch "A" Circuit High - Circuit short to battery or open >> Possible Causes