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DTC Detection Logic

WARNING: This page is about a different car, the 2011 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
DTC LOGIC REFERENCE CHART

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 information.
  • Blower relay ON/OFF request
  • Blower relay feedback
  • Harness or connectors (Blower relay circuit is open or shorted)
  • Blower relay