P0A3E: owner reports and bulletins
Got P0A3E on your scanner? Tell the mechanic your year, make, model and any symptoms and you'll get the likely cause and what to check first. Ask about this code.
What owners report to NHTSA
5 complaints filed with NHTSA mention P0A3E, 1 of them since 2015, across 3 different models. The component owners most often filed it under: electrical system.
Most-reported models
| Vehicle | Complaints | Model years reported |
|---|---|---|
| FORD ESCAPE HYBRID | 3 | 2007, 2008 |
Manufacturer service bulletins that name P0A3E
2 technical service bulletins and manufacturer communications filed with NHTSA mention P0A3E, from 1 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:
- KIA NIRO (2018, 2019), bulletin 10152899: TSB -COMBINATION TSB / SERVICE ACTION: COOLANT LEAK ? OBC INLET HOSE DETACHING (SA365) - This bulletin provides the procedure to install an onboard charger (OBC) quick disconnect spacer on some 2018-2019MY Niro (DE PHEV)…
- KIA NIRO PHEV (2018, 2019), bulletin 10165621: TSB: COMBINATION TSB / SERVICE ACTION: COOLANT LEAK OBC INLET HOSE DETACHING (SA365) - This bulletin has been revised to include additional information.This bulletin provides the procedure to install an onboard charger (…
Sources: NHTSA Office of Defects Investigation complaint database and manufacturer communications file, snapshots September 2026. A complaint or bulletin that mentions a code is a report about that vehicle, not a statement that the code has one cause.