Readiness code, checking

Special tools and equipment

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:

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")