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 T5 1.9 TDI Bosch EDC16U1 038906016A 0281010735
Vendors's code: 0281010735
Product code: 0281010735
Barcode:
Code 39:
ISBN:
£215.83
Price
£215.83
£265.47
Price
£265.47
Select a product option:
Individual variants may differ in price
product option
Important: Depending on the ECU type and vehicle model, not all of the options listed below may be available.
To select the correct option for your vehicle and ECU, please contact us before purchasing:
contact@auto24parts.com
1. Locked
This option is intended for professional workshops with the required specialist equipment and technical knowledge.
The ECU has been removed from a vehicle intended for recycling and still contains the immobilizer data and other information from the previous vehicle. Before it can be used in another car, it must be unlocked and then programmed using specialist automotive diagnostic equipment.
2. Unlocked
Several preparation methods may be available. The possible options depend on the ECU type, vehicle model and immobilizer system. Please contact us before purchasing, as some preparation methods are not available for every ECU.
Our electronics specialists can prepare the ECU in one of the following ways:
a) ECU with PIN code (Car Pass)
The PIN code is supplied, but programming with a suitable diagnostic tool is still required. After installing the ECU, it must be reset using the supplied PIN code and then programmed to the vehicle’s immobilizer system.
b) VIRGIN ECU
The data from the previous vehicle is removed and the ECU is restored to a clean, factory-like state. After installation, it must be programmed to the vehicle using a compatible specialist diagnostic tool. Unless another preparation method is specified in the product description, this is the standard unlocking option for most of our ECUs.
c) Plug & Play – IMMO OFF
The immobilizer function is disabled in the ECU. After installation, the engine can start without additional immobilizer programming. Please note that the vehicle will no longer have an active immobilizer function, and an immobilizer warning light or fault code may remain, depending on the vehicle model.
d) Plug & Play – Automatic Programming
After installation, the ECU automatically learns and saves the required vehicle data. No additional programming is normally required.
e) Plug & Play – 1:1 Clone
The data from your original ECU is copied to another fully functional ECU. The cloned unit is then ready for installation without additional programming.
You must send us your original ECU so that we can transfer its data to the replacement unit.
The original ECU must have working communication with the vehicle, a diagnostic tool or our programming equipment. If the required data cannot be read, a complete 1:1 clone may not be possible.
3. Complete Plug & Play Set
A complete matched set containing the ECU, immobilizer components and all other parts required to start the vehicle without additional programming. All components supplied in the set must be installed in the vehicle.
Important:
Dispatch time depends on the selected option. If an unlocked or specially prepared version is ordered, the preparation service usually requires an additional 1–2 business days.
Ask about the product
Engine Control Unit Volkswagen T5 1.9 TDI Bosch EDC16U1 038906016A 0281010735
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How can I check whether the EDC16U1 038906016A ECU fits my T5?
Read the label on your current module: it must show VW number 038906016A and Bosch number 0 281 010 735. This used, working Bosch EDC16U1 ECU comes from a Volkswagen T5 1.9 TDI.
Engine Control Unit Volkswagen T5 1.9 TDI Bosch EDC16U1 038906016A 0281010735
The Bosch EDC16U1 is an ECU from the Electronic Diesel Control family, i.e. a module that manages a diesel engine. This unit, with VW number 038906016A and Bosch number 0281010735, comes from a Volkswagen T5 1.9 TDI. It controls fuel injection and turbo boost. It is used, in working order and in good condition.
ECU markings
- 038906016A – VW part number
- 0281010735 – Bosch number, as printed on the label 0 281 010 735
- EDC16U1 – Bosch ECU family
Here the VW number ends in just the letter A, which denotes a specific software and hardware version. Other 038906016 ECUs for the T5 have different suffixes and are not always interchangeable.
Typical symptoms of a faulty EDC16U1
- the engine will not start despite a good power supply and fuel,
- no communication with the module during diagnostics,
- limp mode with a clear loss of power,
- the engine cutting out intermittently.
First rule out faults in the wiring loom, earths and fuses. It is also worth reading the fault memory of the other modules, as a power supply problem often leaves traces in several places at once.
Choosing an ECU option
We send the locked version with the data and immobiliser of the previous T5 – this is the option for workshops that will unlock, program and match the ECU themselves. The unlocked version is prepared before dispatch, which usually takes 1–2 working days.
For EDC16U1 ECUs, not every method is possible in every case – PIN / CAR PASS, Virgin, IMMO OFF, auto programming or cloning depend on the number, software and immobiliser. Please ask before buying. Description: ECU preparation options.
Questions and answers
| What does EDC16U1 mean? |
|---|
| It is the designation of the Bosch Electronic Diesel Control ECU family to which this module belongs. |
| Will 038906016A replace 038906016AL? |
| Do not assume so – they are different versions. Compare the full number with the label. |
| What condition is the module in? |
| It is a used part, in working order and in good condition. You will find the warranty period in the product features table. |
Want to confirm that the EDC16U1 is a match? Email contact@auto24parts.com.
