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DTC Detection Logic

DTC DETECTION LOGIC

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2553 IGN POWER CIRCUIT BCM detects a difference of signal for 2 seconds or more between the following items.
  • Ignition relay ON/OFF operation
  • Ignition relay (IPDM E/R) feedback.
  • Harness or connectors (Ignition relay feedback circuit is open or short)
  • BCM
  • IPDM E/R