FixVault

DTC U0100-00: Communication Error With Pcm [Vehicle Control Module]: Outline

DTC U0100:00 [VEHICLE CONTROL MODULE] DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Communication error with PCM
Detection condition
  • The vehicle control module (VCM) cannot receive CAN signal from PCM for 10 s.
Fail-safe (See DTC TABLE [VEHICLE CONTROL MODULE (US)] .)
Possible cause
  • Malfunction in CAN communication line between vehicle control module (VCM) and PCM
  • PCM malfunction
  • Vehicle control module (VCM) malfunction (built into body control module (BCM))
System wiring diagram Not applicable