P0A7A
0 owner reports and 17 manufacturer filings across 11 model years from Lexus, Mazda, Toyota.
Where P0A7A shows up
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2017 Toyota Prius v | Electrical System | 3 | — |
| 2016 Toyota Prius v | Electrical System | 3 | — |
| 2016 Toyota Avalon | Engine | 2 | — |
| 2016 Toyota Camry | Engine | 2 | — |
| 2016 Lexus ES | Engine | 1 | — |
| 2016 Lexus GS | Engine | 1 | — |
| 2016 Lexus NX | Engine | 1 | — |
| 2023 Mazda CX-30 | Engine | 1 | — |
| 2022 Mazda CX-30 | Engine | 1 | — |
| 2023 Mazda Mazda3 | Engine | 1 | — |
| 2022 Mazda Mazda3 | Electrical System | 1 | — |
A model year appears here because the code is named in its record, not because every one of these vehicles sets it. Counts are mentions in the federal files, not failure rates — nobody publishes the denominator.
What it gets filed under
Manufacturer filings that name it
Source: NHTSA manufacturer communicationsService bulletins and campaigns whose filed summary names P0A7A. Quoting the document number at a service desk is often the fastest route to a diagnosis someone has already written down.
- 01-004-252025-05-21 · Engine
- Some customers may experience the battery and engine warning lights illuminating with following DTC being stored. P0A7A:00 (ISG) Integrated starter generator (ISG) (internal stator coil driver circuit) U-phase, V-phase, W-phase: Malfunction detected P1BC5:00 (ISG) Integrated starter generator (ISG) (internal stator coil driver circuit) X-phase, Y-phase, Z-phase: Malfunction detected This concern i
- 23TE022023-06-07 · Electrical System
- DP: The Customer Confidence Program is a component of a class action settlement that includes several elements of coverage. The Customer Confidence Program provides coverage as it applies to the intelligent power module (IPM). The specific condition covered by this Customer Confidence Program 23TE02 is failure of the IPM located inside the inverter assembly of the hybrid system indicated by DTCs P
- 23TE02-12023-02-16 · Electrical System
- DP: The Customer Confidence Program is a component of a class action settlement that includes several elements of coverage. The Customer Confidence Program provides coverage as it applies to the intelligent power module (IPM). The specific condition covered by this Customer Confidence Program 23TE02 is failure of the IPM located inside the inverter assembly of the hybrid system indicated by DTCs P
- TSB0011232023-02-16 · Electrical System
- TSB: Some 2010 ? 2015 model year Prius and 2012 ? 2017 model year Prius V vehicles may exhibit a MIL ON condition with Diagnostic Trouble Codes (DTCs) P0A7A and/or P0A78, indicating a malfunction has occurred in the inverter assembly with converter. Follow the Repair Procedure in this bulletin to identify the specific components within the inverter assembly with converter that need to be replaced
- T-SB-0142-16_Rev2019-05-23 · Electrical System
- TSB: REVISION NOTICE May 23, 2019 Rev1: ? The Applicable Warranty has been updated. Any previous printed versions of this bulletin should be discarded. Some 2012 ? 2016 model year Avalon Hybrid, Camry Hybrid, and RAV4 Hybrid vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P0A7A (Generator Inverter Performance) and information code 122 generator inverter fail signal detec
- T-SB-0142-162016-10-03 · Engine
- TSB: Some 2012 ? 2016 model year Avalon HV, Camry HV and RAV4 HV vehicles may exhibit a MIL ?ON? condition with DTC P0A7A with information code 122 (Generator Inverter Fail Signal Detection). Follow the procedure in this bulletin to address this condition. NOTE This TSB applies ONLY if information code 122 is present.
What P0A7A means
Source: SAE J2012 / OBD-IIP0A7A sits in the generic range of the OBD-II standard, so it means the same thing on every vehicle sold in the United States — but WhichTrim does not carry a definition for it and will not invent one. What is on this page is the record: who named it and on what.
A stored code names the test that failed, never the part that caused it. It is the starting point of a diagnosis, not its conclusion — the same code has several possible causes and the cheap one is not always right.
Common questions about P0A7A
Source: NHTSA files and the OBD-II standardCan I keep driving with P0A7A stored?
Nobody can answer that from the code alone, and a site that does is guessing. A steady light generally means the fault was logged and the vehicle is in a reduced-risk mode; a flashing light means stop soon, because a misfiring engine can destroy a catalytic converter in minutes. The safe read of this page is the mileage and the components, not permission.
Does a code mean the car is recalled?
No. Recalls are filed by campaign and matched by VIN, and none of them are triggered by a scan tool. If you want to know whether an open recall applies to one specific vehicle, check the VIN at nhtsa.gov/recalls — that is the only source that settles it.
Why do the counts here differ from other sites?
Because these are not estimates. Every number on this page is a count of documents in NHTSA's own files: manufacturer communications that name the code in their filed summary, and owner complaints that name it in the narrative. We do not model, weight or extrapolate them.
Will clearing the code fix it?
Clearing turns the light off and erases the freeze-frame data a technician would have used to work out what happened. If the condition is still there the code returns, usually within a few drive cycles, and the diagnosis now starts from less information than before.