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Home >> Nissan-Datsun >> 2024 >> Leaf SV Plus >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Security Control System (With Intelligent Key System) (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC B2193: Chain Of ECM-IMMU >> DTC Description
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DTC Description

DTC DETECTION LOGIC 

NOTE: SYMBOL
  • If DTC B2193 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to DTC Description .
  • If DTC B2193 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to DTC Description .
DTC No. CONSULT screen terms (Trouble diagnosis content) DTC Detection Condition
B2193 CHAIN OF BCM-ECM* (Chain of body control module - engine control module) Diagnosis condition When the vehicle is set to Ready.
Signal (terminal) -
Threshold Inactive communication between BCM and VCM
Diagnosis delay time -

*: "ECM" is indicated on CONSULT display, however this means VCM on this vehicle.

POSSIBLE CAUSE 

FAIL-SAFE 

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