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.
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HOMESERVICE MANUALSTOYOTA2018PRIUS TWO ECOREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTEXTERIOR LIGHTSLIGHTING SYSTEM (W/O AFS) - DIAGNOSTIC CODES & CIRCUIT TESTSLIGHTING SYSTEM (W/O AFS)DTC U0125-87: LOST COMMUNICATION WITH MULTI-AXIS ACCELERATION SENSOR MODULE MISSING MESSAGE; DTC U0129-87: LOST COMMUNICATION WITH BRAKE SYSTEM CONTROL MODULE MISSING MESSAGE; DTC U0140-87: LOST COMMUNICATION WITH BODY CONTROL MODULE MISSING MESSAGE; DTC U0293-87: LOST COMMUNICATION WITH HYBRID POWERTRAIN CONTROL MODULE MISSING MESSAGE [07/2020 -]DESCRIPTION
2018 Toyota Prius Two Eco
DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message [07/2020 -]: Description
2018 Toyota Prius Two EcoSECTION Description
These DTCs are stored if a CAN communication malfunction occurs between the forward recognition camera and other ECUs.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U0125-87 | Lost Communication with Multi-axis Acceleration Sensor Module Missing Message | The forward recognition camera does not receive data from the airbag ECU assembly (yaw rate sensor) for approximately 5 seconds or more. |
|
| U0129-87 | Lost Communication with Brake System Control Module Missing Message | The forward recognition camera does not receive data from the skid control ECU (brake booster with master cylinder assembly) for approximately 5 seconds or more. |
|
| U0140-87 | Lost Communication with Body Control Module Missing Message | The forward recognition camera does not receive data from the main body ECU (multiplex network body ECU) for approximately 5 seconds or more. |
|
| U0293-87 | Lost Communication with Hybrid Powertrain Control Module Missing Message | The forward recognition camera does not receive data from the hybrid vehicle control ECU for approximately 5 seconds or more. |
|
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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.