Toyota P324E
The warning lights and stored hybrid system DTCs can be triggered due to conditions detected not sp
Quick answer
For certain U.S. Toyota Prius vehicles, P324E is listed in Toyota customer-support-program material concerning inverter/IPM failures. Contact an authorized Toyota dealer to have the vehicle inspected and to determine program eligibility.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
Watch Videos
Relevant videos play here without leaving this diagnostic page.
No sufficiently relevant embeddable video has been accepted for this diagnostic yet.
Videos are supporting material and never override OEM or regulator evidence.
1. What does P324E mean?
For certain U.S. Toyota Prius vehicles, P324E is listed in Toyota customer-support-program material concerning inverter/IPM failures. Contact an authorized Toyota dealer to have the vehicle inspected and to determine program eligibility.
2. Technical explanation
Verified Toyota program material identifies P324E as one of the hybrid-system DTCs associated with a condition involving the intelligent power module (IPM) and internal inverter components. The material states that, when P324E is present, the program covers IPM failure and other internal inverter components potentially damaged by IPM failure, subject to program terms and exclusions. The supplied evidence does not establish a fuller code definition beyond this program context.
3. What system is affected?
Hybrid inverter / intelligent power module (IPM) and potentially affected internal inverter components.
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 associates P324E with IPM failure and potentially damaged internal inverter components.
- The supplied evidence does not establish a specific root cause for P324E in an individual vehicle.
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 by an authorized Toyota dealer.
- Provide the dealer with DTC P324E and ask them to check applicable Toyota customer support program coverage.
- Do not attempt high-voltage inverter or IPM diagnosis or repair yourself.
10. Step-by-step troubleshooting
- A Toyota dealer can confirm whether P324E is present and assess the inverter/IPM condition.
- Program eligibility, vehicle applicability, exclusions, and the required repair determination must be confirmed by Toyota or an authorized dealer.
11. When to contact service
Contact an authorized Toyota dealer promptly for diagnosis and customer support program eligibility review.
12. What the service center may check
- Confirm stored hybrid-system DTCs, including P324E.
- Inspect and diagnose the IPM and internal inverter components as applicable.
- Determine whether the failure is covered under the applicable Toyota customer support program.
13. Possible repair or resolution
- Toyota program material states that coverage may include repair or replacement of the IPM when the IPM has failed due to a thermal event, including certain circumstances where thermal-event failure cannot be ruled out.
- For P324E, Toyota material states that the program covers IPM failure and other internal inverter components potentially damaged by IPM failure, subject to program terms and exclusions.
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 20TE10 FAQ: identifies P324E among DTCs associated with IPM failure and potentially damaged internal inverter components.
- Toyota Customer Confidence Program 23TE03: states 20-year coverage with no mileage limitation from date of first use for specified inverter/IPM conditions associated with P0A94, P0A1A, P324E, or P3004. Dealer confirmation of applicability is required.
16. Recall information
- No recall is established by the supplied verified evidence.
17. Official manufacturer information
NHTSA-hosted Toyota manufacturer communications: 20TE10 FAQ (published October 7, 2020); 23TE02/23TE03 program material (published February 16, 2023 and June 7, 2023).
- 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 P324E mean for these Toyota vehicles?
Verified Toyota program material lists P324E as a hybrid-system DTC associated with IPM failure and potentially damaged internal inverter components. A more specific standalone definition is not established by the supplied evidence.
Which vehicles may be affected?
The supplied applicability data identifies U.S. Toyota Prius model years 2012 through 2015. Exact program eligibility must be confirmed by Toyota or an authorized dealer.
Is there special coverage?
Toyota program material for 23TE03 states 20-year coverage with no mileage limitation from the date of first use for specified inverter/IPM conditions including P324E. Coverage remains subject to the program terms, exclusions, and dealer verification.
What should an owner do?
Contact an authorized Toyota dealer for diagnosis and to determine whether the vehicle qualifies for the applicable customer support program.