Home >> Land Rover >> 2021 >> Discovery R-Dynamic HSE >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Camera Control Module (CCM) -- Discovery/L462 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Camera Control Module (CCM) (G2202346) >> DTC B12C0-4B: Left Mirror Camera - Over temperature >> Possible Causes