Home >> Land Rover >> 2021 >> Defender 110 SE >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Common Specs & Procedures >> Diagnostic Trouble Code Index DTC: Rear HVAC Control Module (RHVAC) - Without Rear Air Conditioning -- Defender/L663 >> Diagnostic Trouble Code Index - DTC: Rear HVAC Control Module (RHVAC) - Without Rear Air Conditioning (G2400911) >> Description And Operation >> Rear Integrated Control Panel (FCIMB) - Without Auxiliary Climate Control >> DTC B14EC-14: Third Row Right Seat Heat Switch Pack - Circuit short to ground or open >> Possible Causes