Work step 1: Check DTC memory

WARNING: This page is about a different car, the 2004 Audi A6, 2003 Audi A6, 2002 Audi A6, 2001 Audi A6, and 2000 Audi A6. However, it is still accessible from the selected car via links, so may be relevant.

Connect Vehicle Diagnostic, Test and Information System VAS 5051 or VAG 1551 Scan Tool to vehicle and select control module for engine electronics using "address word" 01. See VEHICLE DIAGNOSTIC, TESTING AND INFORMATION SYSTEM VAS 5051 OR VAG 1551 SCAN TOOL, CONNECTING AND SELECTING FUNCTIONS . The ignition is switched on.

When indicated on display

Fig 1: VAS 1551 Scan Tool - Work Step 1, 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: VAS 1551 Scan Tool - Work Step 1, 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.