Repair

P0A7A on your 2023 Prius is NOT an alternator code — it's much more serious. P0A7A = Generator Inverter Performance / Drive Motor "A" Inverter Performance. On the 5th Gen Prius, that means the MG1 Inverter inside the Hybrid Inverter Assembly is detecting low performance, overheating, or an internal fault. MG1 is the small motor-generator that starts the engine and charges … [Read more...] about What is P0A7A Error Code for 2023 Prius (5th Gen, MXWH60)?

A 2023 Toyota Prius does not have a traditional alternator — that's why you're not finding one. The 12V battery is charged by a DC-DC Converter inside the hybrid inverter assembly, which steps down power from the high-voltage hybrid battery. The engine also has two motor-generators (MG1 / MG2) inside the transaxle that act as generators. If your 12V system isn't charging, … [Read more...] about How to change DC-DC Converter for 2023 Prius (5th Gen, MXWH60)