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DTC U0401 68: Error Signal Received From Pcm: Notes

DTC U0401 68 DETECTION CONDITIONS AND POSSIBLE CAUSE

Description  Error signal received from PCM 
Detection condition 
  • Instrument cluster receives the error signals from the PCM with the ignition switched ON (engine off or on).
Fall-safe function  Not applicable
Possible cause 
  • DTCs are stored in the PCM.
  • PCM malfunction
  • Instrument cluster malfunction
System wiring diagram  Not applicable