Reading Readiness Code

Readiness code is returned to 0 1 1 0 1 1 0 1 if DTC memory is erased, voltage supply to ECM is lost, or a new ECM is installed.

1. To read readiness code, connect VAS 5051 or equivalent scan tool to DLC. DLC is located behind cover under left side of steering column. See Figure.
2. Turn ignition on. On scan tool, press "01" to select diagnostic function 01- ENGINE ELECTRONICS. Press "Q" button to confirm entry.
3. Press "08" to select diagnostic function 08 - READ MEASURED VALUE BLOCK. Press "Q" button to confirm entry.
4. On scan tool, enter "086" to select DISPLAY GROUP 086. Press "Q" button to confirm input.
5. Using scan tool, observe display field 1, in display group 086. See Fig 1 and Fig 2 .
6. Readiness code should display 0 0 0 0 0 0 0 0 0. If readiness code displays as specified, continue DTC testing or, if no DTCs are stored testing is complete. If readiness code does not display as specified, generate readiness code. See GENERATING READINESS CODE .

Fig 1: Display Group 086: Readiness Code

Courtesy of AUDI OF AMERICA, INC.

Fig 2: Notes On Display Group 086

Courtesy of AUDI OF AMERICA, INC.