Complete Guide: Suzuki SX4 2.0L 2WD Automatic Engine ECU Kit 2010–2014 | OEM 33910-54LD / 112400-2830
Introduction: Why Buy Your ECU from AutoMan Spare Parts
Welcome to www.automanspareparts.com, your trusted source for 100% Genuine OEM ECUs. We proudly hold the reputation of being New Zealand’s No.1 ECU supplier, stocking hundreds of verified OEM engine computers at the cheapest global prices with fast international shipping to the USA, Mexico, UAE, Australia, Europe, Asia, and beyond.
If you’re searching for a reliable replacement ECU for the Suzuki SX4 2.0L (2010–2014), this guide gives you every technical detail you need.
Complete Guide to Suzuki SX4 ECU Kit 33910-54LD / 112400-2830 (2010–2014)
1. Overview of the Suzuki SX4 2.0L ECU Kit
The Engine Control Unit (ECU) plays a critical role in the performance of the Suzuki SX4 2.0L 2WD Automatic, managing engine timing, fuel injection, idle speed, gearbox communication, and emissions.
This replacement kit includes:
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Immobilizer module (if applicable)
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Ignition keys (in complete sets)
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Matching lockset (optional depending on the kit)
This ensures a smoother installation and reduces programming needs.
2. OEM Part Numbers Covered
The following genuine Suzuki OEM ECU part numbers are compatible:
| Component | OEM Part Number |
|---|---|
| Engine ECU | 33910-54LD |
| Module ID | 112400-2830 |
| Interchange Numbers | 54LD, 3391054LD, 1124002830 |
These OEM ECUs are known for durability and long life compared to aftermarket or cloned alternatives.
3. Compatibility Guide (2010–2014 Models)
Vehicle Compatibility Table
| Vehicle Model | Engine | Transmission | Drive Type | Year Range | Compatible ECU |
|---|---|---|---|---|---|
| Suzuki SX4 | 2.0L (J20B) | Automatic | 2WD | 2010 | 33910-54LD |
| Suzuki SX4 | 2.0L (J20B) | Automatic | 2WD | 2011 | 33910-54LD |
| Suzuki SX4 | 2.0L (J20B) | Automatic | 2WD | 2012 | 33910-54LD |
| Suzuki SX4 | 2.0L (J20B) | Automatic | 2WD | 2013 | 33910-54LD |
| Suzuki SX4 | 2.0L (J20B) | Automatic | 2WD | 2014 | 33910-54LD |
If your OEM ECU label reads 33910-54LD or 112400-2830, this guide applies perfectly.
4. Common Symptoms of a Faulty ECU in Suzuki SX4
If your ECU is failing, your vehicle might show:
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Engine misfiring or rough idle
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No start or intermittent start
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Transmission not shifting correctly
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Check Engine Light with ECU-related codes
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Poor fuel economy
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Immobilizer mismatch
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Loss of throttle response
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Random electrical failures
Replacing the ECU with a genuine OEM unit almost always restores factory performance.
5. Do You Need Programming When Replacing This ECU?
Programming depends on the type of ECU kit you install:
A. Full Matched Kit (ECU + Immobilizer + Keys)
No programming required.
This is plug and play. The car starts immediately.
B. ECU Only (Bare Engine Computer)
Programming is required, including:
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Immobilizer coding
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VIN writing
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Key matching
Most automotive locksmiths, dealerships, or ECU specialists can perform this.
AutoMan Spare Parts can guide you to the correct programming steps if needed.
6. Why Buy Genuine OEM From AutoMan Spare Parts?
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No.1 OEM ECU Supplier in New Zealand
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Largest stock of used & tested OEM ECUs
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Affordable prices—lowest rates globally
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Fast worldwide shipping
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Strict testing & quality control
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Expert support for programming and installation
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Guaranteed compatibility
Visit: www.automanspareparts.com
FAQ – Suzuki SX4 ECU Kit (2010–2014)
1. Does the Suzuki SX4 ECU 33910-54LD need coding?
If buying ECU only, yes. If buying a full matched kit, no coding is needed.
2. Are these genuine OEM ECUs?
Yes. AutoMan Spare Parts sells only authentic OEM parts, never clones.
3. Do you ship internationally?
Yes. Fast shipping to USA, Canada, Europe, Mexico, UAE, Middle East, Australia, and more.
4. Can I install this ECU myself?
Basic installation is simple, but immobilizer programming may require a professional.
5. What engine does this ECU fit?
The J20B 2.0L Petrol engine in Suzuki SX4 2010–2014.



