OBDII Code List

P3002 TOYOTA - HV ECU Communication Malfunction

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

  • Faulty Hybrid Vehicle (HV) Electronic Control Unit (ECU)
  • Hybrid Vehicle (HV) Electronic Control Unit (ECU) harness is open or shorted
  • Hybrid Vehicle (HV) Electronic Control Unit (ECU) circuit poor electrical connection
  • Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • P3002 Toyota Description

    The battery Electronic Control Unit (ECU) receives information of the AC ECU, system main relay connection signals, etc. sent from the Hybrid Vehicle (HV) ECU, and stores Diagnostic Trouble Codes (DTC) when an error is detected in the receives information.
    OBDII Code P3002 Toyota - HV ECU Communication Malfunction -

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    Related Information

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