P2003 AUDI - Diesel Particulate Filter Efficiency Below Threshold Bank 2
Tech notesTo resolve this, you will have to change the Diesel Particulate Filter and reset the code with an OBD scanner.
P2003 Audi DescriptionThe Diesel Particulate Filter (DPF) is monitored for conditions where it may be overloaded. The monitor compares the calculated restriction of the DPF to two thresholds. By exceeding the first threshold for a sufficient period of time, a wrench light will be illuminated. By exceeding the second threshold for a sufficient period of time, a wrench light and a MIL will be illuminated and engine output will be limited and EGR is disabled.
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