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DTC Detection Logic

WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION AND POSSIBLE CAUSES

DTC Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P1564 ASCD SWITCH (ASCD steering switch)
  • An excessively high voltage signal from the ASCD steering switch is sent to VCM.
  • VCM detects that input signal from the ASCD steering switch is out of the specified range.
  • VCM detects that the ASCD steering switch is stuck ON.
  • Harness or connectors (The switch circuit is open or shorted.)
  • ASCD steering switch
  • VCM