Subaru Engine ECU Repair – Misfire Issue Part Numbers: 22611AL631 / TN112300-5411 / 22611AM02A / 112300-4433

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Subaru Engine ECU Repair – Misfire Issue
Part Numbers: 22611AL631 / TN112300-5411 / 22611AM02A / 112300-4433

This is a repair service for Subaru engine control modules (ECUs) suffering from misfire-related faults, commonly found in Subaru Legacy and Outback models.

Supported Models & Years:

  • Subaru Legacy (2010–2014)

  • Subaru Outback (2010–2014)

Typical ECU Faults Include:

  • Cylinder misfire across one or more banks

  • Ignition driver failure

  • No-start conditions or engine hesitation

  • Intermittent ECU communication or power issues

Common Diagnostic Trouble Codes (DTCs):

  • P0300 – Random/Multiple Cylinder Misfire Detected

  • P0301–P0304 – Misfire Detected on Cylinders 1–4

  • P0351–P0354 – Ignition Coil Circuit Faults

  • U0100 – Lost Communication with ECM/PCM

We perform full bench testing and component-level repair to restore the ECU to reliable operation without requiring expensive replacement. All work is done in-house with high-quality parts.

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