ECU 03C906016T / 0261S05590 for the Audi A3 1.4 TSI
Looking for the 03C906016T ECU? This Bosch MED17.5.5 numbered 0261S05590 is prepared as IMMO OFF Plug & Play for: Audi A3 1.4 TSI, so it needs no programming or key coding. We check it before dispatch, and the warranty is 6 months.
Label markings
- OEM number: 03C906016T (03C 906 016 T)
- Bosch number: 0261S05590
- ECU type: Bosch MED17.5.5
Vehicle compatibility
The ECU is listed for: Audi A3 1.4 TSI. The label numbers decide – OEM 03C906016T and Bosch 0261S05590 must match your ECU. The model and engine size alone are not enough: a different number, e.g. 03C906016AN (0261S06084), means a different version of the ECU.
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
A failed ECU can show different symptoms, for example:
- the engine does not start
- hard starting on a cold or warm engine
- rough engine running
- recurring ignition or injection errors
Before buying an ECU, rule out the power supply, earth and wiring – they can cause the same symptoms.
Other Audi engine ECUs in stock
Full range: Audi engine ECUs · Bosch ECUs
Frequently asked questions about the 03C906016T / 0261S05590 ECU
Does the 03C906016T 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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How do I check that 0261S05590 fits my car?
Compare OEM number 03C906016T and Bosch number 0261S05590 with the label on your old ECU. If both match, the ECU fits.
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Is the car model enough to choose the ECU?
No. The label numbers 03C906016T and 0261S05590 decide. A different number means a different version of the ECU.
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