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DTC U0401:68 [Instrument Cluster]: Notes

DTC U0401:68 Signal error from PCM
DETECTION CONDITION 
  • Instrument cluster receives the error signal from PCM.
FAIL-SAFE FUNCTION 
  • Displays 0 rpm  in the tachometer.
POSSIBLE CAUSE 
  • PCM malfunction
  • Instrument cluster malfunction
SYSTEM WIRING DIAGRAM  -
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