Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2001 Toyota PriusFACTORY OEM SERVICE PROCEDURE
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODES
| DTC | Description |
|---|---|
| P1600 | Back Up Power Source Circuit Malfunction |
| P3001 | Battery ECU Malfunction |
| P3002 | HV ECU Communication Malfunction |
| P3005 | High Voltage Fuse Snapped |
| P3006 | Battery SOC Are Uneven |
| P3009 | Leak Detected |
| P3010 | Battery Total Resistance Malfunction |
| P3011-P3029 | Battery Block # Malfunction |
| P3030 | Battery Voltage Detective line Snapped |
| P3060 | Battery Temperature sensor Circuit Malfunction |
| P3076 | Abnormal Air Flow by Battery Cooling Fan |
| P3077 | Battery Cooling Fan Motor Circuit Malfunction |
| P3115 | HV Battery Current Sensor Malfunction |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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