P3000: owner reports and bulletins

Powertrain (generic, all makes). We haven't written the explanation for this code yet. Below is what owners and manufacturers have filed with NHTSA.

Got P3000 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

4 complaints filed with NHTSA mention P3000, 2 of them since 2015, across 4 different models. The component owners most often filed it under: tires.

Manufacturer service bulletins that name P3000

3 technical service bulletins and manufacturer communications filed with NHTSA mention P3000, from 1 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • TOYOTA PRIUS (2001, 2002, 2003, 2004), bulletin 10109589: Tech Tip: When a DTC is detected by the HV Battery ECU, the HV Control ECU will automatically store a P3000, Information Code 123 ?HV Battery Control System Malfunction? DTC. The purpose of the P3000/123 is to capture th…

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.