The automatic transmission control unit (often designated as TCU or TCM) is a crucial electronic component responsible for smooth and trouble-free gear shifting. Its failure, most often caused by overheating, short circuits, or water damage, results in jerking, an inability to shift gears, or the vehicle entering limp mode. Purchasing a new module at an authorized dealership is a massive expense, which is why replacing it with a fully functional, used original is the most reasonable solution.
Automated Manual Transmission Control Unit Suzuki Aisin 32481110741 3888063JB1 63JA
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Product code: C9A1-33692
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Code 39:
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€813.01
Price
€813.01
€1,000.00
Price
€1,000.00
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Automated Manual Transmission Control Unit Suzuki Aisin 32481110741 3888063JB1 63JA
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Transmission Control Unit 32481110741 – does it fit your Suzuki?
This is a used, working Aisin automated manual transmission control unit with part numbers 32481110741, 3888063JB1 and 63JA. The car model is not specified – the unit is matched by its numbers. Before buying, compare the numbers with the label on the control unit in your car.
Automated Manual Transmission Control Unit Aisin 32481110741 – Suzuki
An automated manual gearbox is a manual gearbox in which the clutch and gear changes are operated by actuators. The control unit (TCU) decides when to disengage the clutch and change gear and controls the actuators – the driver has no clutch pedal. This unit comes from a Suzuki; the car model is not specified, so it is matched by its numbers.
Part numbers to compare
- 32481110741 – control unit manufacturer number (Aisin), on the label: 324811-10741
- 3888063JB1 – Suzuki part number, on the label: 38880-63JB1
- 63JA – additional marking
The same numbers should appear on the control unit in your car. The car model alone is not enough – control units differ in software version and configuration.
Signs of a faulty transmission control unit
When the transmission control unit starts to fail, the most common signs are:
- inability to engage a gear or pull away,
- a gearbox or clutch fault message,
- jerky gear changes,
- no communication with the control unit in the diagnostic tool.
Before replacing it, check the battery and power supply – automated manual gearboxes are sensitive to low voltage – as well as the earth connections and connectors, and read the fault codes. After replacement, the gearbox usually needs an adaptation (including clutch bite point learning) with a diagnostic tool.
Frequently asked questions
| Which car does the 32481110741 control unit fit? |
|---|
| The control unit comes from a Suzuki; the car model is not specified. It is matched by its numbers – compare them with the label on the control unit in your car. |
| Which number should I compare? |
| Ideally all of them: 32481110741 is the control unit manufacturer number, 3888063JB1 is the Suzuki part number and 63JA is an additional marking. You will find them all on the control unit label. |
| Does the control unit need programming after replacement? |
| Usually yes – after fitting, the gearbox is adapted (including clutch bite point learning) with a diagnostic tool. |
| What condition is this control unit in? |
| It is a used part in good working condition. The warranty period is shown in the product specification table. |
Not sure whether this control unit fits your car? Send us a photo of your control unit label and we will confirm compatibility.
