OBDII Code List

U0293 2004 TOYOTA PRIUS - Lost Communication with HV ECU

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Wire harness
  • HV ECU
  • ECM
  • Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • U0293 2004 Toyota Prius Description

    The Controller Area Network (CAN) is a serial data communication system for real-time application. It is a multiplex communication system designed for on-vehicle use that provides a superior communication speed of 500 kbps and a capability to detect malfunction. Through the combination of the CANH and CANL bus lines, the CAN is able to maintain communication based on differential voltage.
    OBDII Code U0293 2004 Toyota Prius - Lost Communication with HV ECU -

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    Related Information

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