Readiness code, checking
Special tools and equipment
- VAG1551 Scan Tool (or VAG1552) with VAG1551/3 cable
Work procedure
- Connect VAG 1551 scan tool (VAG1552). Switch ignition on and select Engine Control Module (ECM) using address word 01 (connecting scan tool and selecting ECM. Refer to VAG1551 Scan Tool (ST), connecting and selecting "Engine Electronics" address word 01 ).
| Rapid data transfer HELP Select function XX |
Indicated on display
- Press buttons -1- and -5- to select "Readiness code" function 15. Press -Q- button to confirm input.
After all diagnostics have been successfully completed, display reads:
| Readiness code 00000000 - Test complete |
Indicated on display
- Press → button.
- Press buttons -0- and -6- to select "End data transfer" function 06. Press -Q- button to confirm input.
| Readiness code 00101101 - Test not complete |
If indicated on display:
One of the diagnostic tests was not completed successfully:
- Press → button.
- Generate readiness code. Refer to Readiness code, generating
Explanation of 8-digit readiness code
| Readiness code is not generated unless all indicated positions display a 0 | ||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Diagnostic function |
| 0 | Catalytic converter | |||||||
| 0 | Catalytic converter heating (no diagnostic yet, always "0") | |||||||
| 0 | EVAP canister system (tank ventilation system) and leak detection system | |||||||
| 0 | Secondary Air Injection (AIR) system | |||||||
| 0 | A/C system (no diagnostic yet, always "0") | |||||||
| 0 | Oxygen sensors | |||||||
| 0 | Oxygen sensor heating | |||||||
| 0 | EGR recirculation (not available, always "0") | |||||||