Home >> Jaguar >> 2021 >> F-Pace Base >> Repair and Diagnosis (Single Page) >> Quick Lookups >> DTC Index >> General Information - Diagnostic Trouble Code (DTC) Index (3 Of 15) -- F-Pace (X761) >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: HVAC Control Module [HVAC] (G2224956) >> DTC B12B9-64: Auxiliary Heater Control Module - Signal plausibility failure >> Possible Causes