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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (On-Board Diagnostic - Instrument Cluster) >> DTC U0401-68: Error Signal Received From Pcm >> Notes

DTC U0401-68: Error Signal Received From Pcm: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
System malfunction location Error signal received from PCM
Detection condition 
  • The instrument cluster receives error signals from the PCM for the ignition switched ON (engine off or on).
Fail-safe  -
Possible cause 
  • DTCs are stored in the PCM.
  • Instrument cluster malfunction
System wiring diagram  -