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 III, Volkswagen Polo, Seat 1.6 Magneti Marelli IAW 1AV.V1 032906030G 6160025604
Vendors's code: 6160025604
Product code: 032906030G
Barcode:
Code 39:
ISBN:
325,20 zł
Price
325,20 zł
400,00 zł
Price
400,00 zł
Ask about the product
Engine Control Unit Volkswagen Golf III, Volkswagen Polo, Seat 1.6 Magneti Marelli IAW 1AV.V1 032906030G 6160025604
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from
120,00 zł
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shipping
(Poland)
from
120,00 zł
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shipping
(Poland)
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How can I check whether the 032906030G ECU fits a Golf III, Polo or Seat?
Compare VW number 032906030G and Magneti Marelli number 61600.256.04 with the label on your ECU. This used, working IAW 1AV.V1 unit was used in the Volkswagen Golf III, Volkswagen Polo and Seat with a 1.6 petrol engine.
Engine Control Unit Volkswagen Golf III, Volkswagen Polo, Seat 1.6 Magneti Marelli IAW 1AV.V1 032906030G 6160025604
The same engine control unit was fitted to three cars: the Volkswagen Golf III, the Volkswagen Polo and Seat models with a 1.6 petrol engine. It is a Magneti Marelli IAW 1AV.V1 unit with VW number 032906030G. It controls fuel injection and ignition, and in older cars its faults are often caused by moisture or corrosion.
Numbers to compare
- 032906030G – VW part number
- 6160025604 – Magneti Marelli number, on the label 61600.256.04
- IAW 1AV.V1 – ECU type
The letter G at the end of the VW number denotes the unit version. 032906030 ECUs with other letters differ in software, so compare the full number, not just the car model.
Symptoms worth checking
- the engine will not start or is hard to start,
- the revs fluctuate and the engine stalls at idle,
- no spark on any cylinder,
- signs of moisture or corrosion on the ECU connector.
First inspect the connector and wiring loom, and also check the engine earth – in older cars this is a common source of faults.
Locked or unlocked
The ECU in the locked version holds the data and immobiliser of the car it came from. It is chosen by workshops that unlock, program and match units themselves. We will prepare the unlocked version before dispatch, usually within 1–2 working days.
Whether PIN / CAR PASS, Virgin, IMMO OFF, auto programming or a clone can be used depends on the part number, software and immobiliser – please ask about this before you buy. We describe all the options on the ECU preparation options page.
Questions and answers
| Does the same ECU fit the Polo and Seat? |
|---|
| The data for this unit lists the Volkswagen Golf III, Volkswagen Polo and Seat. However, what decides is whether the number 032906030G matches your ECU. |
| How does it differ from the 032906030N version? |
| By a different letter in the VW number, i.e. a different software or hardware version. Choose an ECU with the same letter as yours. |
| What condition is the ECU in? |
| Used, working, in good condition. You will find the warranty period in the product specification table. |
Send a photo of the label to contact@auto24parts.com and we will check compatibility.
