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.
2016 Toyota Prius V TwoFACTORY OEM SERVICE PROCEDURE
Can Communication System
POWER MANAGEMENT CONTROL ECU OUTPUT DTCS (TECHSTREAM DISPLAY/PM1 GATEWAY) DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| U0104 | Lost Communication with Driving Support ECU |
| U023A | Lost Communication with Front Camera Module |
| U1002 | Lost Communication with Gateway Module (Power Management1) |
POWER MANAGEMENT CONTROL ECU OUTPUT DTCS (TECHSTREAM DISPLAY/PM2 GATEWAY) DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| U0100 | Lost Communication with ECM / PCM |
| U0129 | Lost Communication with Brake System Control Module |
| U0164 | Lost Communication with A/C ECU |
| U1002 | Lost Communication with Gateway Module (Power Management2) |
DRIVING SUPPORT ECU ASSEMBLY OUTPUT DTCS (TECHSTREAM DISPLAY/PRE-COLLISION 2) DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| U0235 | Lost Communication with Cruise Control Front Distance Range Sensor |
| U1002 | Lost Communication with Gateway Module (Sensor Bus) |
Factory Service Tools
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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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