Home >> Land Rover >> 2020 >> Discovery Sport Base >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) - Discovery Sport/L550 >> Diagnostic Trouble Code Index - DTC: Restraints Control Module (RCM) (G2364183) >> Description And Operation >> DTC B1087-12: LIN Bus "A" - Circuit short to battery >> Possible Causes