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Home >> Infiniti >> 2022 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (5 Of 5) >> Engine (ECM) >> U1003 Can Comm Circuit >> DTC Description >> DTC Detection Logic

DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

U1003

CAN COMM CIRCUIT

(CAN communication circuit)

Diagnosis condition

Ignition switch ON

Signal (terminal)

CAN communication signal

Threshold

ECM is not transmitting or receiving CAN communication signal other than OBD (emission related diagnosis)

Diagnosis delay time

VVEL control module for 2 seconds or more