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, Seat 1.9 TDI Bosch 038906019NQ 0281012287
Vendors's code: 0281012287
Product code: 0281012287
Barcode:
Code 39:
ISBN:
€284.55
Price
€284.55
€350.00
Price
€350.00
Ask about the product
Engine Control Unit Volkswagen, Seat 1.9 TDI Bosch 038906019NQ 0281012287
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How can I check whether ECU 038906019NQ will fit my 1.9 TDI?
Remove or take a look at the sticker on the casing of your current ECU: the VW number should read 038906019NQ and the Bosch number 0281012287 (0 281 012 287). This used, working module comes from a 1.9 TDI engine in a Volkswagen or Seat.
Engine Control Unit Volkswagen, Seat 1.9 TDI Bosch 038906019NQ 0281012287
The 1.9 TDI engine fitted to Volkswagen and Seat vehicles works with an ECU that controls fuel injection and turbo boost based on readings from the sensors. The 038906019NQ unit shown here was made by Bosch. When the module fails, the vehicle usually will not start or runs in limp mode.
Numbers on the label
- 038906019NQ – Volkswagen part number
- 0281012287 – Bosch number, as printed on the label 0 281 012 287 – a diesel ECU series
038906019 ECUs come in many variants that differ in their final letters. The NQ suffix is a specific software and hardware version, so compare it with your module.
When the ECU may be faulty
- the 1.9 TDI engine will not start despite a correct power supply,
- the diagnostic tool cannot see the engine ECU,
- lack of power and faults that replacing the sensors does not clear,
- intermittent engine running after water ingress or a short circuit.
First check the wiring loom, the ECU connector and the earth leads.
How we prepare this ECU
The module is available in two versions. By ordering the unlocked version, you ask us to prepare it before dispatch, usually within 1–2 working days. The locked version keeps the data and immobiliser of the previous car – this is the choice for workshops that will unlock, program and match the ECU themselves.
Not every method – PIN / CAR PASS, Virgin, IMMO OFF, auto programming or cloning – can be used with every ECU; it depends on the number, software and immobiliser. Please ask us before buying. More: ECU preparation options.
Questions and answers
| Can I use a 038906019 ECU with a suffix other than NQ? |
|---|
| We do not recommend it. Other letters indicate a different software or hardware version. |
| Does this ECU fit a Seat 1.9 TDI? |
| Yes, if your Seat was factory-fitted with module 038906019NQ / 0281012287. |
| Is the ECU in working order? |
| Yes, it is a working used part in good condition. You will find the warranty period in the product features table. |
Unsure about number 038906019NQ? Email contact@auto24parts.com.
