Home >> Land Rover >> 2016 >> LR4 Base >> Repair and Diagnosis (Single Page) >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Instrument Cluster (Ic) -- LR4/L319 >> Diagnostic Trouble Code Index DTC: Instrument Cluster (IC) >> Description Of Operation >> DTC B1A68-86: Ambient Temperature Sensor - Signal invalid >> Possible Causes