Home >> Land Rover >> 2013 >> Range Rover Supercharged >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> 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 U1000-4B: Solid State Driver Protection Active - Driver Disabled - Over temperature >> Possible Causes