Home >> Land Rover >> 2014 >> Range Rover Base >> Repair and Diagnosis >> Body & Frame >> Mirrors >> Diagnostic Trouble Code Index DTC: Image Processing Module B - High Line (IPMB - High Line) -- Range Rover/L405 >> Diagnostic Trouble Code Index DTC: Image Processing Module B - High Line (IPMB - High Line) >> Description And Operation >> DTC U0447-29: Invalid Data Received From Gateway A - signal invalid >> Possible Causes