Home >> Land Rover >> 2003 >> Range Rover >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Self-Diagnostics - With Codes >> Diagnostic Tests >> DTC P1709: Transfer Box Controller Signal Fault >> Bosch ME7.2 EMS DTC P1709 - Transfer Box Controller Signal Fault: Last Occurrence - Signal Fault >> Possible Causes