"SME Fault Code: CAD400. ? The customer states that check control message (CCM) ""Drive faulty"" Electric driving is not possible"" is intermittently displayed in the instrument cluster, and: ? Fault code ""CAD400 - No message (status E-motor 1, 0x10F), receiver SME, transmitter EME"" is stored in the battery management electronics (SME). CAUSE Electrical Machine Electronics (EME) software error"