Toyota 1KZ ECU Repair Service
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
Toyota 1KZ ECU Repair Service
Common Overdrive & Starting Faults
This is a repair service for Toyota 1KZ engine ECUs, which are known to fail with issues such as:
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Overdrive not engaging
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Intermittent or complete no-start conditions
These failures are typically caused by aged or leaking electrolytic capacitors, which damage the PCB over time.
Our Repair Process Includes:
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Chemical removal of conformal coating using a controlled hot bath
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Desoldering and replacement of all electrolytic capacitors with equal or higher-spec components
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Track repair and restoration where corrosion or leakage has caused damage
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Re-coating the ECU with a clear, protective conformal layer
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Oven bake curing for long-term durability
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Full reassembly and bench testing
This process restores the ECU’s reliability and avoids the cost and complexity of replacement or reprogramming.