Toyota P3004
The warning lights and stored hybrid system DTCs can be triggered due to conditions detected not specific
Quick answer
For certain U.S. 2012–2015 Toyota Prius vehicles, P3004 is listed in Toyota Customer Support Program material concerning inverter/IPM-related failures. Contact an authorized Toyota dealer to have eligibility and the actual fault confirmed.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
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1. What does P3004 mean?
For certain U.S. 2012–2015 Toyota Prius vehicles, P3004 is listed in Toyota Customer Support Program material concerning inverter/IPM-related failures. Contact an authorized Toyota dealer to have eligibility and the actual fault confirmed.
2. Technical explanation
Verified Toyota program material states that P3004 may indicate the condition addressed by Customer Support Program 23TE03. The program concerns IPM and inverter coverage when P3004, P0A94, P0A1A, or P324E is present. Toyota states that coverage may include IPM repair or replacement when the IPM failed due to a thermal event, including certain cases where thermal damage is identified regardless of the detected DTC.
3. What system is affected?
The verified material identifies the IPM (intelligent power module), inverter, and other internal inverter components that may be damaged by IPM failure.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
Not yet established by verified evidence.
6. Possible causes
- Toyota program material identifies IPM failure due to a thermal event as a covered condition in certain cases.
- No broader root-cause diagnosis for P3004 is established by the supplied verified evidence.
7. Can I still drive the vehicle?
Not yet established by verified evidence.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- Arrange inspection with an authorized Toyota dealer.
- Provide the dealer with DTC P3004 and ask them to check eligibility under Customer Support Program 23TE03.
10. Step-by-step troubleshooting
- A dealer should confirm whether P3004 is present and determine the source of the fault.
- A dealer should evaluate whether the IPM or other internal inverter components have failed and whether the failure meets Toyota program criteria.
11. When to contact service
Contact an authorized Toyota dealer. Toyota’s verified FAQ says an owner who believes they have experienced the program condition should contact a Toyota dealer.
12. What the service center may check
- Confirm the vehicle is a U.S. 2012–2015 Toyota Prius within the applicable program population.
- Confirm whether DTC P3004 is present.
- Inspect and diagnose the IPM and internal inverter components.
- Determine whether IPM failure was due to a thermal event or otherwise meets the program’s stated criteria.
- Verify program eligibility from the vehicle’s date of first use and program terms.
13. Possible repair or resolution
- Toyota states that Customer Support Program 23TE03 may provide repair or replacement of the IPM when the stated coverage criteria are met.
- The program may also cover other internal inverter components potentially damaged by IPM failure when P3004 is present.
- The supplied evidence describes 20 years of coverage with no mileage limitation from the date of first use for the listed program, subject to Toyota’s program criteria.
14. Affected vehicles
- Toyota Prius · 2012–2015 · US
- Toyota Prius · 2012–2014 · US
- Toyota Prius · 2013–2015 · US
15. Related TSBs / service bulletins
- Toyota Customer Support Program 23TE03: 20-year coverage for IPM and inverter for DTC P0A94, P0A1A, P324E, or P3004, subject to stated conditions.
- NHTSA Manufacturer Communication 10240055, published June 7, 2023: https://static.nhtsa.gov/odi/tsbs/2023/MC-10240055-9999.pdf
- NHTSA Manufacturer Communication 10235231, published February 16, 2023: https://static.nhtsa.gov/odi/tsbs/2023/MC-10235231-9999.pdf
- NHTSA Manufacturer Communication 10182972, published October 7, 2020: https://static.nhtsa.gov/odi/tsbs/2020/MC-10182972-9999.pdf
16. Recall information
No recall relationship is established by verified evidence.
17. Official manufacturer information
Official NHTSA-hosted Toyota manufacturer communications describe P3004 as one of the DTCs associated with Toyota Customer Support Program 23TE03 for certain inverter/IPM failures. Program applicability and coverage must be confirmed by Toyota using the individual vehicle information.
- NHTSA: NHTSA Manufacturer Communication PDF 10132898: ZE3_Dealer Packa · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10182972: 20TE10 - FAQ - P · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10235231: 23TE02-1 · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10240055: 23TE02 · official_tsb
19. Frequently asked questions
What does P3004 mean in this Toyota program material?
The supplied Toyota material lists P3004 as one of the DTCs indicating a condition addressed by its Customer Support Program for IPM and inverter-related failures. It does not establish a complete universal definition of P3004.
Which vehicles are supported by the supplied applicability evidence?
The evidence identifies U.S. Toyota Prius model years 2012–2015. Dealer verification is still required.
Is P3004 covered by Toyota?
Toyota program material states that P3004 may qualify for Customer Support Program 23TE03 coverage for eligible IPM/inverter failures, subject to the program criteria and vehicle eligibility.
Is this a recall?
The supplied evidence identifies a Toyota Customer Support Program and manufacturer communications. It does not establish that this is a recall.