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 1.9 TDI Bosch 038906012FA 0281010650
Vendors's code: 0281010650
Product code: 0281010650
Barcode:
Code 39:
ISBN:
€121.95
Price
€121.95
€150.00
Price
€150.00
Ask about the product
Engine Control Unit Volkswagen Golf 1.9 TDI Bosch 038906012FA 0281010650
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How can I check whether the 038906012FA ECU will fit a Golf 1.9 TDI?
Read the label on your current module and compare the VW number 038906012FA and the Bosch number 0281010650 (written as 0 281 010 650). This used, fully working ECU comes from a Golf with the 1.9 TDI engine.
Engine Control Unit Volkswagen Golf 1.9 TDI Bosch 038906012FA 0281010650
The 1.9 TDI engine in the Volkswagen Golf is controlled by a Bosch module that calculates the injection quantity, controls boost and handles starting. This unit has VW number 038906012FA and Bosch number 0281010650. Replacing the ECU makes sense once you have ruled out power supply and sensor faults.
Markings on the casing
- 038906012FA – Volkswagen part number; FA is the version
- 0281010650 – Bosch number, shown on the label as 0 281 010 650
038906012 numbers differ in their final letters, and each letter is a different software or hardware version. Choose this module if yours ends in exactly FA.
Most common symptoms in the 1.9 TDI
- the engine will not start although the starter motor works,
- limp mode and poor acceleration,
- the glow plug warning light flashes while driving,
- communication errors with the module during diagnostics.
Before buying, check the fuses and earths – it is quick and often solves the problem.
Locked or unlocked
We will prepare the 038906012FA ECU in an unlocked version before dispatch, usually within 1–2 working days. The possible method – PIN / CAR PASS, Virgin, IMMO OFF, auto programming or clone – depends on the part number, software and immobiliser, so please ask about it before you buy.
If you choose the locked version, you get a module with the immobiliser and data from the previous vehicle. This option is for workshops that will unlock, program and adapt the ECU themselves. Read more on the ECU options page.
Questions and answers
| Does it fit every Golf 1.9 TDI? |
|---|
| No. Different ECU versions were used in these cars – the number on the label is what counts. |
| Will 038906012FA replace 038906012FB? |
| They are different versions, so they are not interchangeable without checking. |
| Will the locked version start the engine? |
| Not straight away – it needs to be unlocked, programmed and adapted to the immobiliser. |
| What condition is the ECU in? |
| Used, fully working, in good condition. You will find the warranty period in the product features table. |
Email the numbers of your module to contact@auto24parts.com and we will help you choose the right option.
