FixVault

DTC Detection Logic

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2615 Blower relay circuit 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)

  • BCM
  • Blower relay