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Home >> Infiniti >> 2015 >> QX50 Base, AWD >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission (Introduction Diagnostic Trouble Codes (DTCS) And Symptom Tests) >> DTC/Circuit Diagnosis >> DTC U1000: Can Comm Circuit >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC Trouble diagnosis name DTC is detected if... Possible cause
U1000 CAN Communication Line TCM cannot transmit or receive CAN communication signals continuously for 2 seconds or more when the ignition switch is ON.
  • Harness or connectors

    (CAN communication line is open or shorted.)

  • TCM
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