Using VAG 1551 Scan Tool (All Models)
- Ensure ignition is off. Connect scan tool to DLC. See Fig 1
and Fig 2
. On all models, scan tool should alternately display 1-RAPID DATA TRANSFER and 2-BLINK CODE OUTPUT.
- Turn ignition on. Operate scan tool and observe display. Press "1" button to select RAPID DATA TRANSFER function. Press PRINT button to turn on printer. Indicator light on button should come on.
- Press "0" and "1" buttons to select ENGINE ELECTRONICS function. Press "Q" button to enter input. Press right arrow button, then "0" and "2" buttons to select READ DTC MEMORY function. Press "Q" button to enter input.
- Scan tool will display DTCs (if any). If NO FAULTS (DTCs) RECOGNIZED is displayed, press right arrow button to return to RAPID DATA TRANSFER function.
- On 2.0L and 2.8L, if one or more DTCs are stored, proceed to 2.0L & 2.8L DTC IDENTIFICATION table under DIAGNOSTIC TROUBLE CODE DEFINITIONS
to translate DTC to a system or affected circuit description. To repair DTC, proceed to appropriate test number in appropriate BASIC TESTING - GASOLINE
article.
- After repairs on all models, press "0" and "5" buttons to select ERASE DTC MEMORY function. Press "Q" button to enter input. After DTCs are erased, press right arrow button.
- Press "0" and "6" buttons to select END DATA TRANSFER function. Press "Q" button to enter input. Enter RAPID DATA TRANSFER function and test drive vehicle for at least 10 minutes.
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Courtesy of VOLKSWAGEN UNITED STATES, INC.