Available functions
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.
The requirements for selecting the desired functions can be taken from the following table.
AVAILABLE FUNCTIONS - VAG 1551
| Address words and functions on VAG1551 scan tool | Ignition ON, engine not running |
Engine idling | Vehicle being driven | |
|---|---|---|---|---|
| Address words | ||||
| 00 | Automatic Test Sequence | yes | yes | yes |
| 01 | Engine Electronics | yes | yes | yes |
| Functions | ||||
| 01 | Check Control Module Version | yes | yes | yes |
| 02 | Check DTC Memory | yes | yes | yes |
| 03 | Output Diagnostic Test Mode (DTM) | yes | no | no |
| 04 | Basic setting | yes | yes | yes |
| 05 | Erase DTC Memory | yes | yes | yes |
| 06 | End Output | yes | yes | yes |
| 07 | Code Control Module | yes | no | no |
| 08 | Read Measuring Value Block | yes | yes | yes |
AVAILABLE FUNCTIONS - VAG 1551, ADDRESS WORD 33
| Mode under Address word 33: | |
|---|---|
| Mode 1: Transmit diagnostic data | Switch ignition ON or let engine run at idle |
| Mode 2: Transmit operating conditions | Switch ignition ON or let engine run at idle |
| Mode 3: Check DTC Memory | Switch ignition ON or let engine run at idle |
| Mode 4: Erase diagnostic data | Switch ignition ON or let engine run at idle |
| Mode 5: Output of oxygen sensor signals | Switch ignition ON or let engine run at idle |
| Mode 6: Transmit measured values | Switch ignition ON or let engine run at idle |
| Mode 7: Check DTC Memory | Switch ignition ON or let engine run at idle |
| Mode 8: Check tank leak test | Switch ignition ON or let engine run at idle |
| Mode 9: Read out vehicle information | Switch ignition ON or let engine run at idle |
Mode 1 to 9 can be selected under address word 33.
- Individual measured values can be read out under mode 1. Mode 1 is not recommended for authorized Audi service centers, since the data can be obtained much more accurately under address word 01 function 04 or function 08.
- Mode 2 displays operating conditions, for which malfunctions are recognized.
- With mode 3 the DTC memory will be checked and with mode 4 the DTC memory will be erased.
- Mode 5 displays the static dimensions of the oxygen sensors, which are legally required. Since these dimensions are not directly relevant to oxygen sensor diagnostics, mode 5 is insignificant for the authorized Audi center.
- With mode 6 all measured values can be checked from components and systems that are not constantly monitored.
- Using mode 7, DTCs can be checked for which the Malfunction Indicator Light (MIL) is not yet lit (MIL is not on, no DTCs under mode 3).
- Under mode 8 the tank leak test will be checked.
AVAILABLE FUNCTIONS - VAS 5051
| Address words and functions on VAS 5051 scan tool | Ignition ON, engine not running |
Engine idling | Vehicle being driven | |
|---|---|---|---|---|
| Address words | ||||
| 00 | Check all fault memories | yes | yes | yes |
| 01 | Engine Electronics | yes | yes | yes |
| Functions | ||||
| 02 | Check fault memory | yes | yes | yes |
| 03 | Final control diagnosis | yes | no | no |
| 04 | Basic settings | yes | yes | yes |
| 05 | Erase fault Memory | yes | yes | yes |
| 06 | End Output | yes | yes | yes |
| 07 | Code Control Block | yes | no | no |
| 08 | Read Data Block | yes | yes | yes |
| 09 | Read single measured value | yes | yes | yes |
| 10 | Adaptation | yes | no | no |
| 11 | Log-in procedure | yes | no | no |
| 15 | Readiness code | yes | yes | yes |
AVAILABLE FUNCTIONS - VAS 5051, ADDRESS WORD 33
| Mode under Address word 33: | |
|---|---|
| Mode 1: Obtain data | Switch ignition ON or let engine run at idle |
| Mode 2: Obtain operating conditions | Switch ignition ON or let engine run at idle |
| Mode 3: Check fault Memory | Switch ignition ON or let engine run at idle |
| Mode 4: Reset/delete diagnosis data | Switch ignition ON or let engine run at idle |
| Mode 5: Obtain lambda test results | Switch ignition ON or let engine run at idle |
| Mode 6: Test results - non-continuously monitored components | Switch ignition ON or let engine run at idle |
| Mode 7: Test results - continuously monitored components | Switch ignition ON or let engine run at idle |
| Mode 8: Tank leak test | Switch ignition ON or let engine run at idle |