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 Volkswagen Golf Bosch 021906258A 0261200495
Vendors's code: 0261200495
Product code: 0261200495
Barcode:
Code 39:
ISBN:
€487.80
Price
€487.80
€600.00
Price
€600.00
Ask about the product
Engine Control Unit Volkswagen Golf Bosch 021906258A 0261200495
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Looking for ECU 021906258A for a Volkswagen Golf?
This used, working Bosch unit has VW number 021906258A and Bosch number 0261200495 (0 261 200 495 on the label). Check whether the same numbers are on your ECU and choose the locked or unlocked version.
Engine Control Unit Volkswagen Golf Bosch 021906258A 0261200495
A Bosch number beginning with 0 261 denotes a petrol engine ECU – as is the case with unit 0261200495. In the Volkswagen Golf it is responsible for fuel metering and ignition. The part has VW number 021906258A and is used, working and in good condition.
Numbers to compare
- 021906258A – VW part number
- 0261200495 – Bosch number, on the label 0 261 200 495
We do not state the engine capacity, so matching is decided by the numbers on the label. Note the letter A at the end of the VW number – it indicates the software and hardware version.
Failure symptoms
- the engine cannot be started, although the starter motor turns,
- the car stalls or jerks with no faults in the ignition system,
- the diagnostic tool cannot see the ECU,
- signs of moisture or overheating on the unit connector.
Before replacing it, check the power leads and earth – a common cause of similar problems.
Which version to choose?
If your workshop unlocks and programs ECUs itself, choose the locked version – it contains the data and immobiliser of the previous car, and the mechanic will match it to the Golf. If you prefer a ready-made solution, order the unlocked version: we will prepare it before dispatch, usually within 1–2 working days.
The method (PIN / CAR PASS, Virgin, IMMO OFF, auto programming or clone) depends on the part number, software and immobiliser, and not every one is possible with this unit. Ask about it before you buy and visit the Engine control unit (ECU) variants page.
Questions and answers
| Which Golf does 021906258A fit? |
|---|
| We do not assign it to a specific engine version. What matters is that the VW and Bosch numbers match the label on your ECU. |
| Will the locked version start the car straight away? |
| No – it needs to be unlocked, programmed and matched to the immobiliser. |
| What condition is this ECU in? |
| It is a used part, working and in good condition. You will find the warranty period in the product features table. |
Not sure about the numbers? Email contact@auto24parts.com.
