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.
2012 Toyota Prius Plug-inFACTORY OEM SERVICE PROCEDURE
Audio And Visual System
AUDIO AND VISUAL SYSTEM DTC IDENTIFICATION
| DTC Code | Description |
|---|---|
| B1579 | Voice Recognition Microphone Disconnected |
| B1585 | USB Device Malfunction |
| B15A0 | LAN Master Malfunction |
| B15B0 | Display Screen Malfunction |
| B15B3 | Radio Tuner Malfunction |
| B15B4 | CD Changer Malfunction |
| B15B7 | Bluetooth Module Malfunction |
| U0073 | Sending Malfunction (Navigation to APGS) |
| U0100 | Lost Communication with ECM / PCM "A" |
| U0129 | Lost Communication with Brake System Control Module |
| U0140 | Lost Communication with Body Control Module |
| U0155 | Meter ECU Communication |
| U0293 | Lost Communication with HV ECU |
| U1135 | Lost Communication with Plug-in Control Module |
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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