Does the 0281018458 engine control unit fit Audi?
The ECU with number 0281018458 and designation 03L906018JH EDC17C46 is an original Bosch engine control unit used in Audi A4 B8 and Audi A5 2.0 TDI. It manages fuel injection, turbocharging and emissions control.
What does 03L906018JH mean?
03L906018JH is the Audi/VW part number identifying the exact ECU version together with Bosch number 0281018458.
What does EDC17C46 mean?
EDC17C46 is a Bosch diesel ECU family responsible for injection, rail pressure, turbo control and emissions.
Which cars use 0281018458?
Audi A4 B8 2.0 TDI, Audi A5 2.0 TDI and selected VW 2.0 TDI EA189 models.
Does 0281018458 require programming?
Yes — it may be locked, virgin or plug & play. Immobilizer adaptation is often required.
How to check compatibility?
Compare 0281018458 or 03L906018JH with your current ECU.
Why is 0281018458 important?
It uniquely identifies the EDC17C46 ECU version used in Audi A4/A5 2.0 TDI.
Is 03L906018JH plug & play?
Depending on version, coding or immobilizer adaptation may be required.
Symptoms of faulty ECU
No start, no communication, limp mode or injection/turbo faults.
What to check before buying?
Match numbers, check condition and ECU version (locked/unlocked).
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