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Home >> Mazda >> 2016 >> 3 Sport, 4D Hatchback, Standard Trans >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> On-Board Diagnostic [Vehicle Control Module - V/C-Module] >> DTC U0401-00: Error Signal Received From Pcm >> Notes
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DTC U0401-00: Error Signal Received From Pcm: Notes

System malfunction location Error signal received from PCM
Detection condition 
  • Communication error between PCM and vehicle control module (V/C-module)
Fail-safe 
  • Inhibits the Mazda radar cruise control (MRCC) system control
Possible cause 
  • PCM malfunction (engine speed signal malfunction)
  • Vehicle control module (V/C-module) malfunction
System wiring diagram 
  • Not applicable
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