The automatic transmission control unit (often designated as TCU or TCM) is a crucial electronic component responsible for smooth and trouble-free gear shifting. Its failure, most often caused by overheating, short circuits, or water damage, results in jerking, an inability to shift gears, or the vehicle entering limp mode. Purchasing a new module at an authorized dealership is a massive expense, which is why replacing it with a fully functional, used original is the most reasonable solution.
Engine Control Unit Volkswagen Passat 1.8 Bosch 4B0906018C 0261206049
Vendors's code: 0261206049
Product code: 0261206049
Barcode:
Code 39:
ISBN:
487,80 zł
Price
487,80 zł
600,00 zł
Price
600,00 zł
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Engine Control Unit Volkswagen Passat 1.8 Bosch 4B0906018C 0261206049
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Looking for a 4B0906018C ECU for your Passat 1.8?
This used, working Bosch engine control unit has part number 4B0906018C and Bosch number 0 261 206 049. It comes from a Volkswagen Passat with a 1.8 petrol engine.
Engine Control Unit Volkswagen Passat 1.8 Bosch 4B0906018C 0261206049
The Bosch 4B0906018C module controls the 1.8 petrol engine in the Volkswagen Passat: it meters the fuel, sets the ignition timing and looks after the idle speed. The Bosch number 0 261 206 049 belongs to the numbering used for petrol engine ECUs. A faulty module usually prevents the car from starting.
Numbers on the casing
- 4B0906018C – VW/Audi part number
- 0261206049 – Bosch number, as shown on the label: 0 261 206 049
The letter C at the end of the part number is the software or hardware version. A 4B0906018 ECU with a different letter may not work with your car.
Symptoms of a faulty ECU
- the engine will not start, even though fuel and spark are present in tests,
- jerking and rough running with no faults in the ancillaries,
- internal ECU fault in diagnostics,
- no communication with the module.
Start by checking the power supply, earths and the condition of the connector. If the wiring is fine but the tester still cannot connect to the module or reports an internal fault, replacing the ECU with one carrying the same number is a sensible step.
Locked or unlocked
The 4B0906018C ECU is available in two versions. We prepare the unlocked one before dispatch (usually 1–2 working days). The locked one contains the data and immobiliser of the previous car – it is bought by workshops that will unlock, program and adapt it themselves.
Not every method (PIN / CAR PASS, Virgin, IMMO OFF, auto programming, clone) is possible – it depends on the number, software and immobiliser. Please ask before buying. Details: ECU preparation options.
Questions and answers
| Does this ECU fit a Passat 1.8? |
|---|
| According to our data, yes – confirm this by comparing the number 4B0906018C and the Bosch number with your label. |
| Is 0261206049 a petrol ECU number? |
| Yes, Bosch 0 261 numbers refer to petrol engine ECUs. |
| What condition is the ECU in? |
| It is a used part, working and in good condition. You will find the warranty period in the product features table. |
Email contact@auto24parts.com – we will help you choose the right module.
