P3000 on the 2004 Toyota PRIUS
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| T-TT-0303-14 | 2018-04-23. Service bulletin. TechTip: 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 the state of the Hybrid Control System when the HV Battery ECU DTC sets. It does not indicate a malfunction of the HV Control ECU. |
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| T-TT-0303-14 | 2018-04-02. Service bulletin. TechTip: 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 the state of the Hybrid Control System when the HV Battery ECU DTC sets. It does not indicate a malfunction of the HV Control ECU. |
| T-TT-0303-14 | 2017-08-01. Service bulletin. 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 the state of the Hybrid Control System when the HV Battery ECU DTC sets. It does not indicate a malfunction of the HV Control ECU. |
| 02304 | 2004-07-29. Service bulletin. MALFUNCTION INDICATOR LAMP (MIL) ON HV BATTERY DIAGNOSTIC TROUBLE CODES (DTCS) P3000, P3056 AND/OR OTHER DIAGNOSTIC TROUBLE CODES (DTCS). *MJ |
4 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.