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

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Price Exclusive of GST

Our minimum assessment fee is $150 + GST (Excluding Headlights). This just covers the time to check the unit over. If you proceed with the repair, we’ll apply this to the total cost. Our full terms of trade can be found here. Has repair work been attempted by your customer? Link here !

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Australian customers, we can pick up from your Workshop. Click Here to arrange a pickup

International Customers:
When sending a unit from overseas, please declare it as “Repair and Return” with a low customs value (around $100 USD) to avoid unnecessary import fees. - All Repair Prices are quoted in NZD

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.