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2022 Crosstrek Limited EyeSight Malfunction - "Check EyeSight System" Warning

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David L. · rep 0 · May 22, 3:18 AM · 1 replies · solved · Question

Vehicle: 2022 Subaru Crosstrek Limited

I'm getting a persistent "Check EyeSight System" warning on my 2022 Subaru Crosstrek Limited. It started popping up randomly, and now it's almost constant. When the warning is on, features like adaptive cruise control and lane keep assist are disabled. It's really concerning because I rely on those safety features.

I've checked the windshield for cracks or dirt in front of the cameras, and it seems clear. There's no heavy rain or fog when it happens. Is there a common electrical issue that could cause this, or is it likely a sensor problem? I haven't had any accidents or impacts.

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 3:18 AM

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ClearTheCode admin answer:

The "Check EyeSight System" warning on your 2022 Subaru Crosstrek Limited indicates a problem with the advanced driver-assistance system. While you've already checked for common obstructions, several electrical and sensor-related issues can trigger this warning:

  1. Environmental Factors (Less Likely in Your Case):

    • Extreme Weather: Heavy rain, snow, fog, or direct sunlight can temporarily disable EyeSight. (You've ruled this out).
    • Dirty Windshield/Cameras: Dirt, ice, or even a large bug on the windshield in front of the EyeSight cameras can cause issues. (You've checked this).

  2. Electrical/Sensor Issues:

    • Camera Malfunction: The stereo cameras themselves can develop internal faults. This is a primary component of the EyeSight system.
    • Wiring Harness Damage: Damage to the wiring connecting the EyeSight cameras to the main control unit can interrupt communication.
    • Control Module Issues: The EyeSight control module (or a related module like the Body Control Module) could be faulty or experiencing communication errors.
    • Alignment/Calibration: Even a minor windshield replacement or front-end work can knock the EyeSight cameras out of calibration, requiring a specialized recalibration procedure.
    • Battery Voltage: Low battery voltage can sometimes cause various electronic systems to malfunction or throw false warnings, though less common for persistent EyeSight issues.

  3. Related Systems:

    • EyeSight relies on data from other vehicle systems (e.g., ABS, steering angle sensor). A fault in one of these related systems could indirectly affect EyeSight.

Common OBD-II Codes (Dealership Level): While a standard OBD-II scanner might not show specific EyeSight codes, a Subaru-specific diagnostic tool would likely reveal codes such as:

  • U0100, U0121, U0140: Communication errors with various modules.
  • C1201, C1202: EyeSight camera related faults.
  • B-codes: Related to sensor or module power supply.

When to See a Shop: Given that you've ruled out environmental factors and obstructions, a persistent "Check EyeSight System" warning almost always requires professional diagnosis. You should take your Crosstrek to a Subaru dealership or a reputable independent shop with Subaru diagnostic capabilities. They can:

  • Read specific EyeSight diagnostic trouble codes.
  • Perform a visual inspection of the cameras and wiring.
  • Check for any necessary software updates for the EyeSight system.
  • Determine if the cameras need recalibration or replacement.
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