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DTC Detection Logic

DTC DETECTION CONDITION AND POSSIBLE CAUSES

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2615 BCM BCM detects a difference of signal for 1 second or more between the following items.
  • Blower relay ON/OFF request
  • Blower relay feedback
  • Harness or connectors (Blower relay circuit is open or shorted)
  • BCM
  • Blower relay
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