Work procedure

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2004 Audi A6, 2003 Audi S6, 2003 Audi A6, 2002 Audi S6, and 2002 Audi A6. However, it is still accessible from the selected car via links, so may be relevant.

Connect diagnostic tester. See CONNECT DIAGNOSTIC TESTER .
Start engine and let run at idle.

NOTE: If the engine does not start up, crank engine using starter for at least 5 seconds, do not switch off ignition afterward under any circumstances.

In diagnostic function "33 - OBD", select "Mode 7: Check test results of components that are continuously monitored".

The number of stored malfunctions or "0 malfunctions detected" is displayed.

End diagnosis and switch ignition off.
Repair stored malfunction(s) according to DTC table:
- SAE P0xxx-DTCs. See SAE P0xxx-DTCs .
- SAE P1xxx-DTCs. See SAE P1XXX-DTCS .

NOTE:

The DTC tables are sorted by SAE code.
In addition, "emission"-relevant malfunctions are indicated in the instrument cluster via the Malfunction Indicator Lamp (MIL) -K83-.
E-Gas -relevant malfunctions are also indicated by the Electronic Power Control (EPC) Warning Lamp -K132- ("EPC warning lamp") in the instrument cluster.