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DTC U0401-00: Invalid Data Received From Pcm: Notes

DTC U0401:00 (FS5A-EL) DETECTION CONDITION AND POSSIBLE CAUSE

DTC U0401:00 Invalid data received from PCM
DETECTION CONDITION
  • Invalid PCM signal detected for 0.5 s

    Diagnostic support note:

  • The check engine light does not illuminate.
  • The automatic transaxle warning light does not illuminate.
  • PENDING CODE is not available.
  • FREEZE FRAME DATA is not available.
  • The DTC is stored in the TCM memory.
FAIL-SAFE FUNCTION -
POSSIBLE CAUSE
  • PCM malfunction
  • TCM malfunction
SYSTEM WIRING DIAGRAM -
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