Home >> Land Rover >> 2016 >> LR4 Base >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Central Junction Box (CJB) -- LR4/L319 >> Diagnostic Trouble Code Index DTC: Central Junction Box (CJB) >> Description And Operation >> DTC B1C77-12: Rear Wiper Relay - Circuit short to battery >> Possible Causes