Does the 0281018227 engine control unit fit Audi?
The ECU with number 0281018227 and designation 03L906018CN EDC17C46 is an original Bosch engine control unit used in Audi Q3 2.0 TDI (8U platform). It manages fuel injection, turbocharging and emissions control.
Exact number matching ensures full compatibility with the vehicle.
What does 03L906018CN mean?
03L906018CN is the Audi/VW part number identifying the exact ECU version together with Bosch number 0281018227.
What does EDC17C46 mean?
EDC17C46 is a Bosch diesel ECU system responsible for fuel injection, rail pressure and emission control.
Which cars use 0281018227?
Mainly Audi Q3 2.0 TDI (around 2011–2015) with different power variants.
Does 0281018227 require programming?
Yes — it may be locked, virgin or ready to install depending on version. Immobilizer adaptation is often required.
How to check compatibility?
Compare 0281018227 or 03L906018CN with your current ECU.
Why is 0281018227 important?
It uniquely identifies the EDC17C46 ECU version for Audi Q3.
Is 03L906018CN plug & play?
Sometimes yes, but often requires coding and immobilizer adaptation.
Symptoms of faulty ECU
No start, no communication, limp mode or injection errors.
What to check before buying?
Match numbers, check condition and choose correct ECU variant.
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