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 MANUALSTOYOTA2025HIGHLANDER PLATINUMREPAIR AND DIAGNOSISGENERAL INFORMATIONDTC INDEXDTC INDEX (5 OF 6)PRE-COLLISION DTCSPRE-COLLISION SYSTEM
2025 Toyota Highlander Platinum
Pre-Collision System
2025 Toyota Highlander PlatinumSECTION Pre-Collision System
PRE-COLLISION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [12/2019 - 09/2020]
| DTC Code | Description |
|---|---|
| C1425-71 | Stop Light Relay Actuator Stuck |
| U0100-87 | Lost Communication with ECM/PCM "A" Missing Message |
| 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 |
| U0235-87 | Lost Communication with Cruise Control Front Distance Range Sensor Single Sensor or Center Missing Message |
| U023A-87 | Lost Communication with Image Processing Module "A" Missing Message |
| U0293-87 | Lost Communication with Hybrid/EV 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 |
| U0418-81 | Invalid Data Received from Brake System Control Module Invalid Serial Data Received |
PRE-COLLISION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [09/2020 - 10/2022]
| DTC Code | Description |
|---|---|
| C1425-71 | Stop Light Relay Actuator Stuck |
| U0100-87 | Lost Communication with ECM/PCM "A" Missing Message |
| 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 |
| U0131-87 | Lost Communication with Power Steering Control Module Missing Message |
| U0235-87 | Lost Communication with Cruise Control Front Distance Range Sensor Single Sensor or Center Missing Message |
| U023A-87 | Lost Communication with Image Processing Module "A" Missing Message |
| U0293-87 | Lost Communication with Hybrid/EV 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 |
| U0328-51 | Software Incompatibility with Steering Angle Sensor Module Not Programmed |
| U0328-57 | Software Incompatibility with Steering Angle Sensor Module Invalid/Incompatible Software Component |
| U0418-81 | Invalid Data Received from Brake System Control Module Invalid Serial Data Received |
PRE-COLLISION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [10/2022 - 11/2023]
| DTC Code | Description |
|---|---|
| C1425-71 | Stop Light Relay Actuator Stuck |
| U0100-87 | Lost Communication with ECM/PCM "A" Missing Message |
| 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 |
| U0131-87 | Lost Communication with Power Steering Control Module Missing Message |
| U0235-87 | Lost Communication with Cruise Control Front Distance Range Sensor Single Sensor or Center Missing Message |
| U023A-87 | Lost Communication with Image Processing Module "A" Missing Message |
| U0293-87 | Lost Communication with Hybrid/EV 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 |
| U0328-51 | Software Incompatibility with Steering Angle Sensor Module Not Programmed |
| U0328-57 | Software Incompatibility with Steering Angle Sensor Module Invalid/Incompatible Software Component |
| U0418-81 | Invalid Data Received from Brake System Control Module Invalid Serial Data Received |
PRE-COLLISION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [11/2023 - ]
| DTC Code | Description |
|---|---|
| C1425-71 | Stop Light Relay Actuator Stuck |
| U0100-87 | Lost Communication with ECM/PCM "A" Missing Message |
| U0101-87 | Lost Communication with TCM Missing Message |
| U0126-87 | Lost Communication with Steering Angle Sensor Module Missing Message |
| U0129-87 | Lost Communication with Brake System Control Module Missing Message |
| U0131-87 | Lost Communication with Power Steering Control Module Missing Message |
| U0235-87 | Lost Communication with Cruise Control Front Distance Range Sensor Single Sensor or Center Missing Message |
| U0293-87 | Lost Communication with Hybrid/EV 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 |
| U0328-51 | Software Incompatibility with Steering Angle Sensor Module Not Programmed |
| U0328-57 | Software Incompatibility with Steering Angle Sensor Module Invalid/Incompatible Software Component |
| U0418-81 | Invalid Data Received from Brake System Control Module Invalid Serial Data Received |
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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.