FixVault

DTC Detection Logic

NOTE: If DTC P31A5 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.
DTC Trouble diagnosis name Malfunction detected condition Possible causes
P31A5 CAN communication data error When traction motor inverter detected data error of CAN communication.
  • ECM
  • Li-ion battery controller
  • Traction motor inverter
  • HPCM