Home >> Land Rover >> 2017 >> Discovery SE >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: HVAC Control Module (HVAC) -- Discovery/L462 >> Diagnostic Trouble Code Index DTC: HVAC Control Module (HVAC) >> Description And Operation >> DTC B11D1-4A: LIN Bus C - Incorrect component installed >> Possible Causes