Work sequence
- Connect the VAG 1551 scan tool (VAG 1552). Then switch ignition on and select engine control module with the "Address word" 01. (Connecting scan tool and selecting engine control module → VAG1551 scan tool, connecting and selecting engine control module .)
Indicated on display:
| Rapid data transfer HELP Select function XX |
- Press keys 1 and 5 for the "Readiness code" function and confirm entry with Q key.
Must appear on display when all diagnostic functions have been successfully completed:
Indicated on display:
| Readiness code 00000000 - Test complete |
- Press → key.
- Press keys 0 and 6 for "End data transfer" function and confirm input with Q key.
Indicated on display:
| Readiness code 00101101 - Test not complete |
One of the diagnostic checks has not run through successfully:
- Press → key.
- Generate readiness code. For engine code AWW → Readiness code for engine code AWW, generating ; for engine code AWP → Readiness code for engine code AWP, generating
Significance of 8 digit number block for readiness code
| The readiness code is generated only when all display zones show 0 | ||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Diagnostic function |
| 0 | Catalyst | |||||||
| 0 | Catalyst heating (currently no diagnostic/always "0" ) | |||||||
| 0 | Evaporative Emission (EVAP) system (tank venting system) | |||||||
| 0 | Secondary air system (not fitted/always "0" | |||||||
| 0 | Air conditioner (currently no diagnostic/always "0" ) | |||||||
| 0 | Oxygen sensors | |||||||
| 0 | Oxygen sensor heating | |||||||
| 0 | Exhaust gas recirculation system (not fitted/always "0" ) | |||||||