A faulty transmission control module (TCM) most often causes limp mode with the gearbox stuck in one gear, harsh jolts when you select D or R, erratic gear changes, flashing PRND letters and a gearbox or engine warning light. However, the same symptoms are often caused by a low gearbox oil level, a weak battery, a poor earth or a faulty sensor. To test a transmission control module, start by checking the battery and reading the fault codes with a diagnostic tool that can talk to the gearbox control unit, then check the power supply, the connector, the oil and the live data. Below we explain the symptoms, the diagnostic steps and what the most common fault codes mean.
Refurbished engine control unit Virgin Opel Corsa D 1.3 CDTI 55568002KQ
Vendors's code: MJD6O3S7
Product code: 3588-66264
Barcode:
Code 39:
ISBN:
£200.82
Price
£200.82
£247.01
Price
£247.01
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Refurbished engine control unit Virgin Opel Corsa D 1.3 CDTI 55568002KQ
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£22.80
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(Poland)
from
£22.80
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(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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What does number 55568002KQ on an engine control unit mean?
Refurbished Opel engine control unit with number 55568002KQ. Send us the numbers from the label on your control unit.
How to check whether control unit 55568002KQ will fit Opel Corsa D?
According to the listing, this is a refurbished control unit for Opel Corsa D with a 1.3 CDTI engine. The main number is 55568002KQ, and the listing confirms that the control unit was inspected before sale. The listing states that this control unit is for: Opel Corsa D. Engine given in the listing: 1.3 CDTI.
Where to find the numbers on an engine control unit
Below are the numbers as they appear in the listing, together with the single-string form used in catalogues:
- 55568002 KQ (catalogue format: 55568002KQ), car manufacturer's original number.
Compare the numbers with the original control unit in your car, and if any of them differs, write to us before buying.
Control unit variant
This listing is for a control unit in the following variant(s): Refurbished. We describe the differences between the variants (locked, unlocked, Virgin, IMMO OFF, Plug and Play, clone, full set) on the ECU preparation options page. Before buying, send us the numbers from the label and we will confirm which variant is available for that number.
The listing describes this control unit as refurbished, not new.
According to the listing, this is a control unit in the Virgin version, meaning it has been cleared of data from the previous vehicle and prepared for reprogramming. After fitting, it requires programming, coding or adaptation using suitable equipment.
What engine starting problems can indicate
- the engine warning light comes on and does not go out,
- the diagnostic tester cannot connect to the control unit,
- the car loses power or goes into limp mode,
- control unit communication or power supply errors appear in the fault memory.
Before buying a control unit, read the fault codes with a diagnostic tester and check the power supply, the earth connections and the connector. Damaged sensors, wiring or fuses can cause similar symptoms, and in that case replacing the control unit will not help.
Questions and answers
| Does a lit engine warning light always mean a faulty control unit? |
|---|
| No. Read the fault codes first, because the cause may be a sensor, the wiring or the power supply. |
| Can I send a photo for a compatibility check? |
| Yes. Contact us and send a photo of the label on the original control unit, and we will help you check whether this part will fit. |
| Does this control unit fit the 1.3 CDTI engine? |
| According to the listing it does, but confirm this with the numbers from the original control unit, because a single model comes with different versions. |
| Is this a new control unit? |
| No. It is a refurbished control unit, not a new part. According to the listing, it was inspected before sale, and you will find the warranty period in the product features table. |
Want to be certain? Send us the numbers from the housing of your control unit, and together we will check whether this part will fit.
