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EyeSight Disabled Warning on 2023 Impreza - No CEL

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Ashley M. · rep 0 · May 22, 3:13 AM · 1 replies · solved · Question

Vehicle: 2023 Subaru Impreza Sport

Hi all,

I'm having an issue with my 2023 Subaru Impreza Sport. The EyeSight system suddenly disabled itself, and I'm getting a 'Check EyeSight System' warning on the dashboard, along with the lane keep assist and adaptive cruise control lights being off. There's no Check Engine Light, and the car drives perfectly fine otherwise.

This happened after I drove through some heavy rain and slush. I've tried cleaning the windshield in front of the cameras, but the warning persists. It's been a couple of days now. I'm a bit concerned since EyeSight is a major safety feature.

Is this a common occurrence after bad weather? What could be causing this without a CEL? Are there any specific things I should check before heading to the dealership?

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 3:13 AM

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ClearTheCode admin answer:

The 'Check EyeSight System' warning on your 2023 Subaru Impreza, especially without a Check Engine Light (CEL), is a common issue that can arise from various factors, many of which are not indicative of a major engine or transmission problem. EyeSight is a sophisticated system that relies on precise camera vision, and anything that obstructs or interferes with its view can cause it to temporarily disable itself.

Common Causes for EyeSight Disablement (No CEL):

  1. Obstruction of Cameras: This is the most frequent cause. Even after cleaning, residual dirt, smudges, ice, snow, heavy rain, or even condensation on the inside of the windshield in front of the cameras can block their view. A poorly placed dash cam or air freshener can also cause issues.
  2. Windshield Damage/Replacement: A chip, crack, or even a poorly installed non-OEM windshield can affect the cameras' calibration and field of view. EyeSight requires a very specific type of windshield and precise calibration after replacement.
  3. Sun Glare/Environmental Factors: Extremely bright sunlight, especially at certain angles, or driving directly into a low sun can temporarily blind the cameras. Heavy fog, smoke, or dust can also cause this.
  4. Sensor Misalignment/Damage: While less common without impact, the EyeSight cameras or associated sensors could become misaligned or damaged. This would typically require professional recalibration.
  5. Low Battery Voltage: In some rare cases, a weak 12V battery can cause various electronic systems, including EyeSight, to malfunction or disable themselves due to insufficient power.

Troubleshooting Steps:

  1. Thorough Windshield Cleaning: Clean the entire windshield, both inside and out, paying extra attention to the area around the EyeSight cameras at the top center. Use a streak-free glass cleaner. Ensure no stickers, suction cups, or objects are blocking the cameras.
  2. Check for Condensation: If it's humid or cold, check for internal condensation on the windshield that might be affecting the cameras.
  3. Restart Vehicle: Sometimes, simply turning the car off, letting it sit for a few minutes, and restarting can clear a temporary glitch.
  4. Check Battery: If you have a multimeter, check your 12V battery voltage. A reading below 12.4V when the car is off might indicate a weak battery.
  5. Inspect for Windshield Damage: Carefully examine your windshield for any new chips or cracks, especially in the camera's field of view.

When to See a Shop:

  • If the warning persists for more than a few days after thorough cleaning and restarting.
  • If you suspect windshield damage or if your windshield has been recently replaced.
  • If you've checked the battery and it seems fine, but the issue continues.
  • If you notice any other unusual electrical issues in the vehicle.
  • EyeSight system recalibration requires specialized equipment and should only be performed by a Subaru dealership or a certified technician.

While not a critical driving issue, a non-functional EyeSight system means you're without key safety features. It's best to have it diagnosed by a professional if the simple troubleshooting steps don't resolve it.

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