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2022 Eclipse Cross - Forward Collision Mitigation System Service Required

0

Chris P. · rep 0 · May 25, 4:05 AM · 1 replies · solved · Question

Vehicle: 2022 Mitsubishi Eclipse Cross SEL

Hello everyone,

I'm experiencing an issue with my 2022 Mitsubishi Eclipse Cross SEL. I've got about 18,000 miles on it. Recently, a warning message popped up on my dash saying 'Forward Collision Mitigation System Service Required' and the FCM system is now inactive. There's no check engine light, but the safety feature is definitely not working.

I've tried cleaning the front radar sensor area (behind the Mitsubishi emblem) and the windshield where the camera is located, but the message persists. It didn't happen after any specific event like a bump or heavy rain. It just appeared one morning.

Has anyone had this problem with their Eclipse Cross? Is this usually a sensor replacement, or could it be a software glitch? Any insights before I head to the dealership would be great.

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 25, 4:05 AM

0

ClearTheCode admin answer:

The 'Forward Collision Mitigation System Service Required' message on your 2022 Mitsubishi Eclipse Cross SEL indicates a fault within the complex system designed to prevent or mitigate frontal collisions. While cleaning the sensors is a good first step, the persistence of the warning suggests a deeper issue.

Common Causes for FCM System Errors:

  1. Sensor Obstruction/Damage: Even if you've cleaned the visible areas, the radar sensor (behind the front emblem) or the camera (at the top of the windshield) could be internally faulty, misaligned, or have a subtle obstruction not easily seen.
  2. Wiring Issues: Damaged, corroded, or loose wiring and connectors to the radar unit or camera can interrupt communication with the vehicle's ECU.
  3. Software Glitch/Module Failure: The FCM control module itself could be experiencing a software error or a hardware failure. Sometimes a simple reset might help, but often it requires dealer-level diagnostics.
  4. Recent Body Work or Impact: Even a minor fender bender, if it affected the mounting points of the sensors, could cause misalignment and trigger this error. While you mentioned no specific event, sometimes damage isn't immediately obvious.
  5. Windshield Replacement: If the windshield was recently replaced, the camera might need recalibration.

Diagnostic Steps (Limited for DIY):

  1. Check for DTCs: While there's no check engine light, a specialized scanner (often dealer-level) can pull specific diagnostic trouble codes (DTCs) related to the FCM system, which will pinpoint the exact sensor or module at fault.
  2. Visual Inspection: Carefully inspect the front bumper area, especially behind the Mitsubishi emblem, for any signs of impact or damage that might affect the radar unit's mounting or position. Also, check the camera area on the windshield for any cracks or obstructions.
  3. Battery Disconnect (Temporary Reset): You can try disconnecting the negative battery terminal for 15-20 minutes to attempt a system reset. Reconnect and see if the error clears. Note: This may reset other vehicle settings like radio presets.

When to See a Shop: Given the complexity and safety-critical nature of the FCM system, it is highly recommended to take your Eclipse Cross to a Mitsubishi dealership or a specialized automotive electronics shop. They have the proprietary diagnostic tools to read the specific FCM fault codes, perform sensor recalibrations (which are often required after sensor replacement or even certain software updates), and accurately diagnose whether it's a sensor, wiring, or module issue. Do not ignore this warning, as the system is a key safety feature.

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