Home >> Land Rover >> 2016 >> Range Rover Autobiography >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Rear Differential Control Module (RDCM) -- Range Rover/L405 >> Diagnostic Trouble Code Index DTC: Rear Differential Control Module (RDCM) >> Description And Operation >> DTC P1888-15: Differential Oil Temperature Sensor Circuit Failure - Circuit short to battery or open >> Possible Causes