Work procedure

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. 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, 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 .
- SAE P2xxx-DTCs. See SAE P2XXX-DTCS .
NOTE:
- The DTC tables are sorted by SAE code.
- In addition, emission-relevant malfunctions are indicated in the instrument cluster via the lighting up of 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.