Pre-Collision System Sensor Fusion Error
2017-2020 Toyota 86 2.0L H4
Description
The pre-collision system detects a mismatch between radar and camera object detection data.
Symptoms
- PCS temporarily disabled
- Intermittent PCS warnings
- False collision alerts or no alerts
- System unreliable in certain conditions
Common Causes
- Radar or camera misalignment
- Sensor calibration drift
- One sensor partially blocked
- Environmental interference
Diagnostic Steps
- Perform radar alignment check
- Calibrate forward camera
- Clean all sensor surfaces
- Check for software updates
- Test in controlled conditions
Repair Notes
Calibrate all PCS sensors. Perform both static and dynamic calibration as required.
Related Codes
Other Chassis Codes
- C0021LF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
- C0025LF Wheel Speed Sensor Circuit Intermittent
- C0026RF Wheel Speed Sensor Circuit Intermittent
- C0027LR Wheel Speed Sensor Circuit Intermittent
- C0028RR Wheel Speed Sensor Circuit Intermittent
- C0035Left Front Wheel Speed Sensor Circuit
- C0036Left Front Wheel Speed Signal Erratic
C0425 on Other Vehicles
Toyota 4Runner
2010-2024 4.0L V6
Toyota Alphard
2023-2025 2.4L I4 Turbo T24A-FTS
Toyota Alphard
2023-2025 2.5L I4 Hybrid A25A-FXS
Toyota Aqua
2011-2021 1.5L I4 Hybrid 1NZ-FXE
Toyota Aqua
2021-2025 1.5L I3 Hybrid M15A-FXE
Toyota Avalon
2013-2018 2.5L I4
Toyota Avalon
2013-2018 3.5L V6
Toyota Avalon
2019-2022 3.5L V6
Common Questions
What does code C0425 mean on a 2017-2020 Toyota 86?
C0425 stands for "Pre-Collision System Sensor Fusion Error". The pre-collision system detects a mismatch between radar and camera object detection data.
What are the symptoms of C0425 on a Toyota 86?
Common symptoms of C0425 include: PCS temporarily disabled, Intermittent PCS warnings, False collision alerts or no alerts, System unreliable in certain conditions.
What causes C0425 on a 2017-2020 Toyota 86?
Common causes of C0425 include: Radar or camera misalignment, Sensor calibration drift, One sensor partially blocked, Environmental interference.