FixVault

DTC U0302-00: TCM Processor Error: Notes

DTC U007400 (SKYACTIV-G 2.0) DIAGNOSTIC PROCEDURE

DTC U0302:00 TCM processor error
DETECTION CONDITION 
  • When any of the following conditions is met:
    • CAN communication line between TCM and PCM malfunction
    • TCM internal malfunction

Diagnostic support note 
  • This is a continuous monitor (other).
  • The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA (Mode 2)/Snapshot data is available.
  • The DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION  -
POSSIBLE CAUSE 
  • TCM connector or terminals malfunction
  • PCM connector or terminals malfunction
  • CAN communication line between PCM and TCM (local CAN between PCM and TCM) malfunction
  • TCM DTC is stored.
  • PCM malfunction
  • TCM malfunction
G09074041