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

DETECTION CONDITION AND POSSIBLE CAUSE

DTC U0074:00	CAN system communication error (local CAN between PCM and TCM)
DETECTION CONDITION	Malfunction in CAN bus communication line. Diagnostic support note  This is a continuous monitor (other). The check engine light does not illuminate. FREEZE FRAME DATA (Mode 2)/Snapshot data is not available. The DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION	-
POSSIBLE CAUSE	CAN communication line between PCM and TCM (local CAN between PCM and TCM) malfunction TCM DTC is stored. PCM malfunction TCM malfunction