Audi A3 Common ECU Fault

The ECU in the 2003-2008 Audi A3 1.9 – 2.0 TDI, manufactured by Bosch under the ‘EDC16U1’ system, is prone to common failures. When this occurs, the engine may not start, and the issue may progress from intermittent to a permanent failure. Quick ignition cycles might temporarily allow the engine to start, but the problem typically persists.

Signs of failure include the engine management light not illuminating on the instrument cluster and diagnostic equipment struggling to communicate with the engine system to retrieve fault codes.

We offer a solution by testing and repairing your ECU within 2-3 working days or providing pre-programmed replacement units from our stock. Both options come with an unlimited mileage Lifetime Warranty*.

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Common Failure Symptoms

• Intermittent non-start.
• Engine management light on.

Common Fault Codes

• Intermittent no communication to the ECU.

Compatible Part Numbers

• 0 281 011 847 / 03G 906 016 BA
• 0 281 011 364 / 03G 906 016 G
• 0 281 011 904 / 03G 906 016 FG
• 0 281 011 453 / 03G 906 016 AT
• 0 281 011 905 / 03G 906 016 FF
• 0 281 011 832 / 03G 906 016 CC
• 0 281 011 383 / 03G 906 016 J
• 0 281 011 891 / 03G 906 016 EA
• 0 281 011 892 / 03G 906 016 DT

Test and Rebuild Process

• Each Audi A3 engine ECU is rigorously tested on Hardware In the Loop testing rigs.
• Inspected by a team of technicians before the rebuild.
• Defective components replaced with higher-grade ones.

Programming

• Retains all original programming during the test and rebuild.
• Simple plug-and-play, no need for additional programming.

Quality

• Rebuilding done for manufacturers, main dealers, and Audi specialists globally.
• Assurance of extensive experience and high-quality work.

Warranty

• Lifetime unlimited mileage warranty.

How to Get Your Unit Rebuilt?

1. Select your part number and pay for the repair.
2. Print the payment/booking confirmation email.
3. Package the Audi A3 engine ECU securely and include the confirmation email.
4. Send the package via tracked courier (shipping instructions in the confirmation email).
5. Upon receipt, we’ll test, rebuild, and return your engine ECU with a lifetime warranty.

No Upfront Payment Option

1. Fill and submit the repair form.
2. Print the booking confirmation email.
3. Package the Audi A3 engine ECU securely and include the confirmation email.
4. Send the package via tracked courier (shipping instructions in the confirmation email).
5. After testing, we’ll call you with the results. If faulty, payment can be made over the phone.
6. We’ll rebuild your ECU and return it with an unlimited mileage warranty.

Contact us for additional information regarding the 2003-2008 Audi A3 engine ECU.

Contact AUTOTRONICS at 0116 276 7054 or email us at [email protected] for expert assistance. Our experienced engineers are here to solve all your queries and provide top-notch services.

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