Diagnostic Mode 03 - Read DTC Memory: Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 Audi A3 Quattro, 2017 Audi A3 Quattro, 2016 Audi A3 Quattro, 2016 Audi A3, and 2015 Audi A3 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
-- Connect the scan tool.
-- Switch the ignition to the ON position.
-- Select Diagnostic Mode 03: Interrogating fault memory.
-- The stored DTC or DTCs will be displayed on the scan tool screen.
The following table is an example of the DTC information that may be displayed on the scan tool screen:
| Indication example | Explanation |
|---|---|
| P0444 | SAE Diagnostic Trouble Code |
| Evaporative emission canister purge regulator valve | Malfunctioning wiring path or malfunctioning component |
| Circuit open | Malfunction type as next |
-- Refer to the DTC tables below for the diagnostic repair procedures.
- ENGINE CONTROL MODULE, 2014 - 2015 MY --
- ENGINE CONTROL MODULE --, 2016 MY
- ENGINE CONTROL MODULE --, 2017 MY
- ENGINE CONTROL MODULE --, 2018 MY
-- Switch the ignition off.