2010–2015 Toyota Prius: Red triangle, loss of power or no-start (inverter IPM failure)
Likely causes, ranked
- Inverter Intelligent Power Module failure (covered by Toyota programs)$0–$0Shop
Real-owner fix counts will appear here as reports come in.
DIY or shop: See DIY or shop section
Parts to check
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Symptom: A red triangle and warning lights, limp mode, or the car shuts down and won't restart.
Likely causes
- Inverter IPM. Toyota issued recalls and extended IPM coverage. PriusChat owners discuss the warranty enhancement and getting prior repairs reimbursed.
DIY or shop?
Dealer.
Useful steps
- Check your VIN for all three recalls.
- Ask the dealer about the ZE3 and 23TE02 coverage.
- Keep repair receipts for possible reimbursement.
Vehicle focus: 2010–2015 Toyota Prius.
Safety / mechanic note
A sudden shutdown in traffic is dangerous. Verify with a dealer.
Related trouble codes
Recalls & service bulletins
Recalls
- 14V053000 2010–2014 Prius: IPM transistors in the inverter can overheat and fail, causing limp mode or a stall. Details
- 18V684000 2010–2014 Prius and 2012–2014 Prius v: hybrid system may shut down from inverter failure; software update. Details
- 20V369000 2013–2015 Prius and 2014–2017 Prius v not in 18V684: same issue. Details
Technical service bulletins
- ZE3 Toyota extended coverage for the inverter IPM on certain 2010–2014 Prius (15 years, no mileage limit). Details
- 23TE02 Toyota program expanding IPM coverage after a class settlement. Details
NHTSA complaints: 186 keyword-matched complaints (of 4,840 unique complaints filed under NHTSA model names PRIUS, 2010–2015; NHTSA complaints API by model year, queried 2026-10-15).
Always check your VIN for open recalls at nhtsa.gov/recalls.
Sources
What actually fixed it?
Had this problem? Tell other owners what the real fix was. Reports are counted above; we never show made-up numbers.