ECU 03C906027G / 0261S04348 for the VW Golf VI 1.4
03C906027G (0261S04348) is a Bosch MED17.5.5 engine ECU for the VW Golf VI 1.4. We sell it as an IMMO OFF Plug & Play version – after fitting it does not have to be programmed to the car's immobiliser. Every unit is checked before dispatch; warranty: 6 months.
Label markings
- OEM number: 03C906027G (03C 906 027 G)
- Bosch number: 0261S04348
- ECU type: Bosch MED17.5.5
Vehicle compatibility
Compare OEM number 03C906027G and Bosch number 0261S04348 with the sticker on your ECU. If both match, the ECU fits – even if your car is not named in the description. A similar number, e.g. 0261S02263, is a different version and needs separate checking.
Installation and preparation
The immobiliser is switched off in the ECU itself, so once connected there is no programming and no errors. Want to keep the data from your own ECU? We will make a clone on request, from the ECU or files you send.
Symptoms of a failed ECU
An ECU fault may be indicated by, among others:
- the engine does not start
- no diagnostic communication with the ECU
- the engine stalls while running
- recurring injection errors
Power supply, earth, wiring and fuses can cause similar symptoms – run a diagnosis before replacing the ECU.
Other VW engine ECUs in stock
Full range: Volkswagen engine ECUs · Bosch ECUs
Frequently asked questions about the 03C906027G / 0261S04348 ECU
Does the 03C906027G ECU need programming?
No. It is an IMMO OFF Plug & Play version – after fitting you do not program it to the immobiliser.
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Do errors appear after fitting?
No. The 03C906027G ECU is an IMMO OFF version and runs without errors after fitting.
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How do I check that 0261S04348 fits my car?
Compare OEM number 03C906027G and Bosch number 0261S04348 with the label on your old ECU. If both match, the ECU fits.
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