This Service Information bulletin supersedes SI B12 27 15 dated November 2015 SUBJECT Service Engine Soon (MIL) - IHKA FC 801375 & 8013A3. The Service Engine Soon light (MIL) is currently or intermittently illuminated in the instrument cluster and one or both of the fault codes below are stored in the Automatic Climate Control (IHKA). 801375 - Electric auxiliary heater (high voltage) is stored: Temporary fault detected after software reset CAUSE: IHKA software or Electric Heater (EH).
