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DTC Detection Logic

DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P3119 MOTOR SYSTEM ISOLATION (Traction motor area short circuit) When HPCM detects traction motor interchange area insulation resistance drop.
  • Traction motor insulation resistance drop.
  • 3-phase harness insulation resistance drop.
  • High voltage harness connector insulation resistance drop.