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DTC U0074-00: Can System Communication Error (Local Can Between TCM And Pcm): Notes

DTC U0074:00 TCM (FW6A-EL, FW6AX-EL) DETECTION CONDITION AND POSSIBLE CAUSE

DTC U0074:00 CAN System Communication Error (Local CAN Between TCM And PCM)
DETECTION CONDITION
  • Under the following condition, a communication error (local CAN between TCM and PCM) occurs:
    • Battery voltage is 10 V or more.
FAIL-SAFE FUNCTION
  • Set to TCC control.
  • Inhibits learning control.
  • Inhibits manual mode.
  • Inhibits neutral idle control.
  • Inhibits AAS.
  • Inhibits 5GR and 6GR.
  • Inhibits shift down when the accelerator pedal is depressed.
POSSIBLE CAUSE
  • CAN communication line malfunction between TCM and PCM (local CAN between TCM and PCM)
  • PCM DTC is stored.
  • TCM malfunction
SYSTEM WIRING DIAGRAM Not applicable
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