Readiness Code Reading

Checking Readiness Code

NOTE: The readiness code will be erased:
- When Diagnostic Trouble Code (DTC) memory is erased.
- When the Engine Control Module (ECM) harness connector is disconnected (e.g. to connect the VAG 1598/22 test box).
- When the battery is disconnected.

Required special tools and test equipment
VAG 1551 Scan Tool (ST) with VAG 1551/3 adapter cable

Checking
- Connect VAG 1551/VAG 1552 Scan Tool (ST) and press buttons -0- and -1- to insert "Engine Electronics" address word 01 (with ignition switched on).[1][2]Scan Tool Connecting and Initial Checks

Indicated on display


Rapid data transfer HELP
Select function XX


- Press buttons -0- and -8- to select "Read Measuring Value Block" function 08, and press -Q- button to confirm input.

Indicated on display


Read Measuring Value Block HELP
Input display group number XXX


- Press buttons -0-, -8- and -6- to input display group number 86 (086), and press -Q- button to confirm input.

Indicated on display (1-4 = display fields)


Read Measuring Value Block 86 ->
1 2 3 4


- Check readiness code values in display field 1.

Specified value: 00000000

NOTE: The readiness code is generated as soon as only zeros are shown in display field 1.

- Press -> button.

Indicated on display


Rapid data transfer HELP
Select function XX


- Press buttons -0- and -6- to select "End Output" function 06, and press -Q- button to confirm input.

If the readiness code was not generated, generate readiness code again. Readiness Code, Generating
- Check readiness code. If DTC memory has been erased, or ECM has been disconnected from B+, generate readiness code again. Readiness Code, Generating

Explanation of 8-digit readiness code