Home >> Land Rover >> 2021 >> Range Rover Evoque R-Dynamic HSE >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: HVAC Control Module (HVAC) -- Range Rover EVOQUE/L551 >> Diagnostic Trouble Code Index - DTC: HVAC Control Module (HVAC) (G2301203) >> Description And Operation >> HVAC Control Module (HVAC) >> DTC B1DFB-4B: Left Front Multiple Seat Heat Module - Over temperature >> Possible Causes