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 Siemens 06A906033 5WP4001905
Vendors's code: 5WP4001905
Product code: 5WP4001905
Barcode:
Code 39:
ISBN:
€162.60
Price
€162.60
€200.00
Price
€200.00
Ask about the product
Engine Control Unit Volkswagen Golf Siemens 06A906033 5WP4001905
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Where can I find the number 06A906033 on the Golf ECU casing?
VW number 06A906033 is on the label on the casing, next to the Siemens number printed as 5WP40019 05. We offer this used, working petrol engine ECU locked or unlocked.
Engine Control Unit Volkswagen Golf Siemens 06A906033 5WP4001905
The Siemens ECU with VW number 06A906033 is a petrol engine control unit from a Volkswagen Golf. The manufacturer number is 5WP4001905, shown on the label as 5WP40019 05. The unit manages fuel injection and ignition, and we offer it used, working and in good condition.
Numbers to compare
- 06A906033 – VW part number, with no letter at the end
- 5WP4001905 – Siemens number, on the label 5WP40019 05
This VW number has no final letter – if there is a letter after 06A906033 on your unit, it is a different software and hardware version. We do not state the engine size, so compare the numbers.
Signs that the ECU may be faulty
- no start despite a working fuel system,
- engine warning light and stored module faults,
- the ECU does not respond during diagnostics,
- problems after water ingress, a voltage surge or failed programming.
Before deciding on a replacement, check the power supply wires, earths and connector pins. Reading the fault memory with a tester will also help, provided the unit establishes a connection.
How do we prepare the ECU?
You can choose between two versions. With the unlocked version, we prepare the unit before dispatch – this usually takes 1–2 working days. With the locked version, we ship it with the data and immobiliser of the previous car; this option is used by workshops that will unlock, program and match the ECU themselves.
The available solutions – PIN / CAR PASS, Virgin, IMMO OFF, auto programming, clone – depend on the part number, software and immobiliser. Before you buy, ask what is possible for 06A906033. You will find an explanation on the ECU preparation options page.
Questions and answers
| Is 5WP40019 05 the number of this ECU? |
|---|
| Yes – it is Siemens number 5WP4001905, written on the label with a space. |
| Will the locked version work without programming? |
| No. It has to be unlocked, programmed and matched to the immobiliser. |
| What condition is the 06A906033 unit in? |
| It is a used, working part in good condition. You will find the warranty period in the product specification table. |
Questions about compatibility? Email us at contact@auto24parts.com.
