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Home >> Nissan-Datsun >> 2013 >> Sentra SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (Security Control System (Without Intelligent Key System) (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B2193, P1612: Chain Of ECM-IMMU >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2017 Nissan Sentra. 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 DTC LOGIC .
  • If DTC B2193 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to DTC LOGIC .
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2193 CHAIN OF BCM-ECM Inactive communication between ECM and BCM
  • Harness or connectors

    (The CAN communication line is open or short)

  • BCM
  • ECM
P1612
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