Subaru Engine ECU Repair – Misfire Issue Part Numbers: 22611AL631 / TN112300-5411 / 22611AM02A / 112300-4433
From January 1st, 2026, we will be strictly Trade Only for New Zealand Info here
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 go ahead with the repair, we’ll put this towards the total cost. Our full terms of trade is the link can be found here
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 /
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:
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Subaru Legacy (2010–2014)
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Subaru Outback (2010–2014)
Typical ECU Faults Include:
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Cylinder misfire across one or more banks
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Ignition driver failure
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No-start conditions or engine hesitation
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Intermittent ECU communication or power issues
Common Diagnostic Trouble Codes (DTCs):
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P0300 – Random/Multiple Cylinder Misfire Detected
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P0301–P0304 – Misfire Detected on Cylinders 1–4
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P0351–P0354 – Ignition Coil Circuit Faults
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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.