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.
Engine control unit Daihatsu 2797009030 8966187765
Vendors's code: 8966187765
Product code: 2797009030
Barcode:
Code 39:
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Engine control unit Daihatsu 2797009030 8966187765
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from
£22.77
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shipping
(Poland)
from
£22.77
-
shipping
(Poland)
Price 30 euros applies shipments to 5 kg on worldwide. Above this weight, please contact us by email to check price
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Daihatsu engine control unit - what should you check before buying?
This is a used engine control unit in working order for Daihatsu - numbers 279700-9030 / 2797009030; 89661-87765 / 8966187765. Before buying, compare the numbers with the label on the module in your car.
Daihatsu engine control unit
This engine control unit is intended for Daihatsu. It is a used part, in working order and in good technical condition.
Numbers to compare
- 279700-9030 / 2797009030 - manufacturer's number - Denso
- 89661-87765 / 8966187765 - part number (OEM / vehicle)
According to the listing data: Daihatsu (model), Denso (manufacturer).
How an engine control unit works
The control unit communicates with the car's other modules over the CAN bus, including the ABS, the gearbox and the dashboard. That is why the software version and the hardware number matter when choosing a replacement. The module stores fault codes which, once diagnostic equipment is connected, help to establish whether the sensors, the wiring or the control unit itself is at fault.
Locked or unlocked version?
An unlocked control unit is prepared by us before dispatch (approx. 1-2 working days), so you do not have to do it yourself. If you program control units yourself, you can choose the locked variant: it still holds the previous car's data and immobiliser coding, and you carry out the unlocking and matching yourself. The unlocking options depend on the number, the software and the immobiliser - not every method (PIN / CAR PASS, Virgin, IMMO OFF, auto programming, clone) works with every control unit. You can also read our guide to engine control unit variants or ask us about your particular case.
How to match this part
We also stock other control units for this model and engine, with different numbers. Match the part by the number on the module, not by the model alone. The same type of engine was sometimes managed by different versions of the module, so the number comes first, and only then the model and year.
How to recognise a faulty control unit
- the engine will not start or cuts out,
- the engine warning light (check engine) is on,
- the control unit does not communicate with diagnostic equipment,
- the car goes into limp mode.
Inspect the control unit connectors: corrosion or burnt pins can cause symptoms similar to faulty electronics.
Frequently asked questions
| What does ‘used, in working order’ mean? |
|---|
| We sell it as a used part, in working order and in good condition; the warranty period is shown in the listing features. |
| Does the control unit need coding after replacement? |
| That depends on the make, model and version. The module usually has to be matched to the car, especially when it works with an immobiliser. |
Not sure? Email contact@auto24parts.com and we will help you choose the right control unit for your car.
