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Home >> Nissan-Datsun >> 2018 >> Pathfinder SL, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Security Control System (Without Intelligent Key System)) >> Without Intelligent Key System >> DTC/Circuit Diagnosis >> B2193 Chain Of ECM-IMMU >> DTC Description >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2018 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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