Work step 1: Check DTC memory

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 Audi S8, 2003 Audi A8, 2002 Audi S8, 2002 Audi A8, and 2001 Audi A8. However, it is still accessible from the selected car via links, so may be relevant.

Connect Vehicle Diagnostic, Test and Information system VAS5051 or VAG1551 scan tool to vehicle and select control module for engine electronics using "address word" 01. See VEHICLE DIAGNOSTIC, TESTING AND INFORMATION SYSTEM VAS5051 OR VAG1551, CONNECTING AND SELECTING FUNCTIONS . Ignition is switched ON.

When indicated on display

Fig 1: VAG1551 Scan Tool Display - Generating Readiness Code: Check DTC Memory (1 Of 2)

Courtesy of AUDI OF AMERICA, INC.

Press buttons -0- and -2- to select function "Check DTC Memory" and press -Q- button to confirm input.

Number of stored DTCs or "No DTC recognized" will be indicated on display.

Fig 2: VAG1551 Scan Tool Display - Generating Readiness Code: Check DTC Memory (2 Of 2)

Courtesy of AUDI OF AMERICA, INC.

If a DTC is stored:

Repair malfunction, erase DTC memory. Road test vehicle and then re-check DTC memory as a control measure.

If no DTC is stored:

Press -->button.