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.
Engine Control Unit Skoda Superb Bosch 03L906018CH 0281016851
Vendors's code: 0281016851
Product code: 0281016851
Barcode:
Code 39:
ISBN:
€203.25
Price
€203.25
€250.00
Price
€250.00
Ask about the product
Engine Control Unit Skoda Superb Bosch 03L906018CH 0281016851
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How can I check whether the 03L906018CH unit will fit a Superb?
Compare the VW number on your ECU label with 03L906018CH – it must match letter for letter. The Bosch number 0281016851 provides extra confirmation. This unit comes from a Skoda Superb with a diesel engine.
Engine Control Unit Skoda Superb Bosch 03L906018CH 0281016851
A Bosch number starting with 0 281 denotes a diesel engine control unit – and that is the case here: 0 281 016 851. The unit with VW number 03L906018CH comes from a diesel Skoda Superb. It controls injection, turbo boost and starting, and works with the immobiliser. We do not state the engine size – compatibility is judged by the numbers.
Numbers on the label
- 03L906018CH – VW/Skoda part number,
- 0281016851 – Bosch number (as written on the label: 0 281 016 851).
Watch out for similar numbers: 03L906018CH and 03L906018CJ differ by one letter, yet they are different unit versions with different Bosch numbers.
ECU fault symptoms
- no start and no communication with the unit,
- the engine warning light is on and power is restricted,
- the engine cuts out while driving,
- damage after a voltage surge or moisture.
Check the power supply, earths and fuses first – only then suspect the unit itself.
What do you get with each option?
The parcel with the locked version contains an ECU with the donor car's immobiliser and data. Your workshop must unlock, program and match such a unit to the Superb itself. With the unlocked version, we do this work before sending the parcel – it usually takes 1–2 working days.
Possible methods are PIN / CAR PASS, Virgin, IMMO OFF, auto programming and cloning, although some of them may not be possible for a particular unit – it depends on the part number, software and immobiliser. So ask about 03L906018CH before buying. Description: ECU preparation options.
Questions and answers
| Which engine size is this ECU for? |
|---|
| We do not state the engine size – choose the unit by the number 03L906018CH on the label. |
| How does it differ from the 03L906018CJ? |
| It is a different ECU version – a different VW number and a different Bosch number. Do not treat them as interchangeable without checking. |
| What condition is the ECU in? |
| Used, fully working and in good condition. You will find the warranty period in the product specification table. |
Send a photo of the label to contact@auto24parts.com – we will tell you whether the unit is suitable.
