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.
2018 Toyota Prius Two EcoFACTORY OEM SERVICE PROCEDURE
Front Camera System
FRONT CAMERA SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| C1000-1C | Control Module Internal Temperature Sensor "A" Circuit Circuit Voltage Out of Range |
| C1005-1C | Control Module Internal Temperature Sensor "B" Circuit Circuit Voltage Out of Range |
| C100A-62 | Control Module Internal Temperature Sensor A/B Correlation Signal Compare Failure |
| C1A93-46 | Main Microcomputer in Front Recognition Camera Calibration/Parameter Memory Failure |
| C1A94-45 | Image Processing Microcomputer in Front Recognition Camera Program Memory Failure |
| C1A94-47 | Image Processing Microcomputer in Front Recognition Camera Watchdog/Safety MCU Failure |
| C1A94-87 | Image Processing Microcomputer to Main Microcomputer in Front Recognition Camera Missing Message |
| C1A95-00 | Image Processing Module Malfunction in Front Recognition Camera |
| C1A96-1C | Power Supply Circuit in Front Recognition Camera Circuit Voltage Out of Range |
| C1AA8-00 | Front Recognition Camera Optical Axis Misalignment Malfunction |
| C1AAE-00 | Front Recognition Camera Heater Malfunction |
| U0125-87 | Lost Communication with Multi-axis Acceleration Sensor Module Missing Message |
| U0126-87 | Lost Communication with Steering Angle Sensor Module Missing Message |
| U0129-87 | Lost Communication with Brake System Control Module Missing Message |
| U0140-87 | Lost Communication with Body Control Module Missing Message |
| U0293-87 | Lost Communication with Hybrid Powertrain Control Module Missing Message |
| U0300-51 | Internal Control Module Software Incompatibility Not Programmed |
| U0300-57 | Internal Control Module Software Incompatibility Invalid/Incompatible Software Component |
| U0322-51 | Software Incompatibility with Body Control Module Not Programmed |
| U0322-57 | Software Incompatibility with Body Control Module Invalid/Incompatible Software Component |
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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