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M37 Base
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DTC B2193: Chain Of ECM-IMMU
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DTC Logic
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DTC Detection Logic
DTC Detection Logic
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 BCM and ECM
Harness or connectors
(The CAN communication line is open or shorted.)
BCM
ECM