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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (DTC/Circuit Diagnosis) (1 Of 2) >> Transmission (TCM) >> U0115 Lost Communication (ECM) >> DTC Description

DTC Description

DTC DETECTION LOGIC 

DTC CONSULT screen terms(Trouble diagnosis content) DTC detection condition
U0115 ECM RCPT ERROR(Lost Communication With ECM/PCM "B") Diagnosis condition When ignition switch is ON
Signal -
Threshold When a detection signal of DTC U0115-00 is transmitted from the electric shift system.
NOTE: SYMBOL For the detection condition of DTC U0115-00, refer to DTC Description .
Diagnosis delay time -

POSSIBLE CAUSE 

CAN communication line between ECM and electric shift control module (CAN communication line is open or shorted.)

FAIL-SAFE 

No impact to vehicle behavior