P3002 Code Meaning, Causes, Symptoms, & Tech Notes
Engine-Codes - Generic - P3002

P3002 Code - HV ECU Communication Malfunction

- Code Popularity: 10,795 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

What are the Possible Causes of the DTC P3002?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other 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
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How to Fix the DTC P3002?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P3002 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the P3002 Code Mean?

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.

P3002 Code - HV ECU Communication Malfunction

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Code P3002 Information for Specific Makes

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