Audi A6 won't start - help needed with DTC_03599

Hello dear Community, I own an Audi A6, model year 2009, with a diesel engine and a mileage of 172,000 km. My vehicle starts briefly and then dies again. I receive the error message DTC_03599. Could someone help me understand what this error means and how I can fix it? Thank you in advance for your support!

(Translated from German)

1 comment(s)

DTC_03599 typically relates to an issue with the fuel system, possibly the fuel pump or fuel pressure. Start by checking the fuel pump relay and fuse to ensure they are functioning properly. If they are fine, inspect the fuel pump itself for any signs of failure. Let me know how it goes or if you have any further questions!

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