Control Module HVAC: Testing and Inspection

Climatronic Control Module -J255- Coding (Scan Tool Function 07)


NOTE:
- Each replacement Climatronic control module -J255- must be coded after installing.
- Perform function 04, "Basic Setting", after coding.
- If the appropriate vehicle code or the appropriate equipment level is not displayed, the control module must be coded as follows:
- The A/C control head -E87- flashes for 15 seconds when the control module -J255 has not been coded.


- Connect VAG 1551 Scan Tool (ST), input address word 08 "AC/Heating electronics" and press -> until "Select function XX" appears in display. Check Control Module Version (Function 01)

Indicated on display:


Rapid data transfer HELP
Select function XX


- Press buttons -0- and -7- to select function 07 "Coding control module".

Indicated on display:


Rapid data transfer Q
07 - Coding control module

- Press -Q- button to confirm input.

Indicated on display:


Coding control module Q
Enter code number XXXXX


- Using scan tool button pad, enter code number according to coding table and confirm entry with -Q- button.

Coding table

Coding For vehicles
02000 USA/CDN up to 11.98
05000 USA/CDN from 11.98 up to 10.00
17200 USA/CDN from 10.00

- Press -Q- button to confirm input.

The VAG 1551 Scan Tool (ST) display will show the control module coding and part number.


3B1901044A SXX ->
Coding 02000 WSC XXXXX


- Press -> button.

Indicated on display:


Rapid data transfer HELP
Select function XX


NOTE: The code entered and displayed will not be loaded into the Climatronic control module until the ignition has been switched off once.


- End output (function 06). End Output (Function 06)
- Switch off ignition and disconnect Data Link Connector (DLC).