FixVault

DTC Detection Logic

WARNING: This page is about a different car, the 2011 Nissan 370Z. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • If DTC B2193 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to "BCM : DTC LOGIC ".
  • If DTC B2193 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to "BCM : DTC LOGIC ".
DTC DETECTION LOGIC

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2193 CHAIN OF ECM-IMMU Inactive communication between ECM and BCM
  • Harness or connectors (The CAN communication line is open or shorted)
  • BCM
  • ECM