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, Audi Hitachi 035905383T
Vendors's code: 035905383T
Product code: 035905383T
Barcode:
Code 39:
ISBN:
€243.90
Price
€243.90
€300.00
Price
€300.00
Ask about the product
Engine Control Unit Volkswagen, Audi Hitachi 035905383T
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Where on the Hitachi unit's casing is the number 035905383T?
You will find part number 035905383T on the label or printed on the casing of the Hitachi unit. It is a used ECU in working order for Volkswagen and Audi petrol models.
Engine Control Unit Volkswagen, Audi Hitachi 035905383T
This Hitachi unit, part number 035905383T, comes from a Volkswagen or Audi with a petrol engine. The data does not give the vehicle model, engine size or ECU family, so the only reliable matching criterion is the part number. The unit is used, in working order and in good condition. If your vehicle has a part with the same number fitted, you can replace it with this one. Before ordering, though, it is worth sending us a photo of the label – with less common units, that confirmation saves time and hassle.
How to identify this unit
- 035905383T – Volkswagen / Audi part number
- Hitachi – unit manufacturer
The letter T at the end of the number identifies the part version. Compare the full number, including that letter – units with a different suffix may differ in build. If in doubt, send us a photo of the label.
Symptoms of a faulty unit
- the engine won't start or cuts out for no obvious reason,
- rough running and hesitation under load,
- problems that only appear once the engine is warm,
- damage after a voltage surge in the electrical system.
Before replacing it, check the power supply, earth and connector condition – corroded contacts often produce similar symptoms.
Versions available
You can buy the unit locked – with the data and immobiliser of the vehicle it came from, for workshops that unlock, program and match it themselves – or unlocked, prepared by us before dispatch, usually within 1–2 working days.
The availability of methods (PIN / CAR PASS, Virgin, IMMO OFF, auto programming, cloning) depends on the part number, software and immobiliser, and for this unit you should definitely ask before buying. See also ECU preparation options.
Questions and answers
| Which Volkswagen or Audi model does 035905383T fit? |
|---|
| The data does not specify a model. Match it solely by the number on the unit fitted to your vehicle. |
| What should I send before ordering? |
| A photo of the label showing all the numbers of your current unit. |
| What condition is the unit in? |
| Used, in working order and in good condition. You will find the warranty period in the product features table. |
Not sure it's the right unit? Email contact@auto24parts.com and attach a photo of the label.
