Circular 91VH_20251202 Service Campaign

•
Diagnosis and repair of pre-existing conditions in the vehicle are not covered under this action.
NOTE

•
All campaign software updates must be completed during a single, standalone ODIS Diagnostic Session.

You must fully complete this campaign and send all logs before beginning any other campaigns or

operations.
•
If there are any ODIS “Hot-Fix” patches installed, they must be removed from the scan tool before beginning

this operation. ODIS “Hot-Fix” patches may affect the update process.
Before starting the software update, the following conditions must be met:

•
ODIS Service version MUST be completely up to date.
•
ODIS Feedback must be set up correctly:

o
•
Dealership’s internet firewall settings must meet the specified requirements.

o
•
•
See communication: Diagnostic Device Hardware & Windows®, Number: VHW-24-10 / Subject:

VAS Diagnostic Device Firewall Settings / Date: December 20, 2024
ODIS user must have GRP access.

o
•
Offboard Diagnostic Information System Service (ODIS Service) Number: VOS-25-22 / Subject:

New ODIS Support Feedback Procedure Date: Mar. 7, 2025
See communication: Offboard Diagnostic Information System Service (ODIS Service), Number:

VOS-24-35 / ODIS log in Procedure for Group Retail Portal (GRP) Date: Mar. 27, 2024
Windows Power Options must be set according to the ODIS tester setup directions:

o
See communication: Diagnostic Device Hardware & Windows®, Number: VHW-22-13 / Subject:

Change Power Options in Windows® 10 / Date: Nov. 1, 2022
o
The “Device Power Management” sections from the VAS 6150X Diagnostic Laptop – Unpacking

and Setup Instructions can also be referenced.
Dealership’s Edge Box must be installed and configured correctly:

o
See communication: D3 Edge Box server Installation and Troubleshooting Guide.
•
Only one key can be in the vehicle when performing this software flash.
•
The vehicle key’s battery must be ok.
•
Any additional keys must be a minimum of 20 meters away from the vehicle.
•
The car MUST NOT be hooked up to a high-voltage charger.
•
If the work steps must be interrupted for any reason, the best stopping point is at one of the bus sleep steps.
91VH Page 11 of 46
CRITICAL REPAIR STEP
STOP!

Ensure that port 8080 on your diagnostic device is enabled for incoming TCP connections. Please contact your

local IT administrator as needed. If there are any support-related queries, please contact ODIS service support.

The relevant firewall settings can be found in the table below.

See communication: Diagnostic Device Hardware & Windows®, Number: VHW-24-10 / Subject: VAS Diagnostic

Device Firewall Settings / Date: December 20, 2024

Configuration:
Communication between ODIS service and TCP port 8080
Direction:
Inbound
Firewall profile:
Private network
Program path to be

released:
All programs
Protocols & ports:
TCP/Local port/8080
Local IP address:
Any IP address
Remote IP address:
192.168.13.69, 192.168.13.100-192.168.13.254
CRITICAL REPAIR STEP
STOP!

•
Check for pre-existing faults.
•
Any module with a “Faulty Control Module” fault must be addressed prior to starting the flash. The flash may

fail for the affected control module.
•
Diagnosis and repair of pre-existing conditions are not covered under this action.
91VH Page 12 of 46
CRITICAL REPAIR STEP
STOP!

Before starting programming, it is essential to

perform the following actions for the -VAS5908battery charger.

The battery charger’s default setting will switch the

charger off automatically after a period of time. To

prevent this, the following must be carried out.

Switch it OFF and then ON again each time the

charger is connected.

The battery charger’s display must have switched off

before it’s restarted.

The charging time can be changed in the charger’s

settings menu (access code = 6161). Refer to the

owner’s manual for further information. DO NOT

change any settings that will damage the charger or

the vehicle.

•
Connect battery charger -VAS5908-.
•
When connecting the charger to the battery,

connect the positive cable to the positive

charging terminal for the battery and connect the

negative cable to the grounding lug on the

chassis. DO NOT connect the ground cable

directly to negative terminal of the battery.

NOTE
If the customer is enrolled in Car-Net and they have

the myVW app downloaded on their phone, they may

receive several notifications during the update

process.
91VH Page 13 of 46
Repair Overview

1. Document customer settings

2. Perform software update of ICAS.3 via USB

3. Perform bus sleep procedure

4. Document 12V battery adaptation values

5. Perform first software update via SVM

6. Perform bus sleep procedure

7. Perform ICAS.1 factory reset

8. Perform second software update via SVM

9. Perform function restoration of the ICAS.1

10. Perform VKMS adaptations

11. Perform 12V battery adaptation

12. Perform manual basic settings

13. Perform test plans generated by the flash process

14. Perform bus sleep procedure

15. Restore customer settings
91VH Page 14 of 46
Step 1 – USB Flash of ICAS3

IMPORTANT!

To ensure the software update does not cause customer dissatisfaction or customer complaints, the vehicle settings

must be documented at this point (photographed) and restored at the end of the flash.

•
Ensure the battery charger is connected.
•
Ensure there is nothing connected to the OBD

diagnosis connection.
•
Ensure that no other

connected.
USB drives
are
NOTE

The ignition must remain on during the entire

flashing process.

•
The hazards must remain on.
•
The driver door must remain open.
•
Insert the seat belt into the driver seat belt

buckle.

NOTE
Observe the ignition status often. Even with the door

open and seat belt buckled, it may be possible that

the ignition turns off on its own. If this occurs, turn

the ignition back on and the update should continue.
91VH Page 15 of 46
•
Place the vehicle key over the reader coil in

the cup holder area as shown.
•
Any additional keys must be a minimum of 20

meters away from the vehicle.
•
Insert the USB drive into one of the USB ports.
•
Turn the ignition ON.

NOTE
The radio may display “Sorry, no playable files are

available” when the ignition is turned on. This is

normal. DO NOT remove the USB drive from the

USB port.
91VH Page 16 of 46
•
Press and hold the home key.
•
During the update, the instrument cluster

display will change multiple times.

NOTE
Observe the ignition status often. Even with the door

open and the seat belt buckled, it may be possible

that the ignition turns off on its own.

CAUTION

Unless an error has occurred, the USB should never

be removed from the USB port while the software

update is in progress.

•
Select “Software update/versions”.
•
Select “Start” when prompted.

NOTE
After selecting the “Start” option, the infotainment

screen will go blank and the red engineering menu

(REM) will populate after a few moments.
•
Select “Update”.
91VH Page 17 of 46
•
Select the applicable USB port.
•
Select “Start update”.
•
Select “Start update”.
NOTE

The infotainment display will show the software

update progress.
91VH Page 18 of 46
•
Once the software update has successfully

completed, select “Resume”.
NOTE

After the update has been completed and the

system is back on the home screen, after a few

moments a message confirming the installation was

completed will populate.

•
Select the option for “OK”.
•
Remove the USB drive.
91VH Page 19 of 46
Check software version and device part

number on infotainment display.
•
NOTE

If software version did not update to 3748, if

there were any update failures while in the REM,

or if the Device part number did not change to

10C035842B:

Turn off ignition

Remove USB if still installed

Reset ICAS3:

•
Open driver door
Remove fuse for the J794/ICAS3 for at least

10 seconds, reinstall fuse and reattempt

update from the beginning.

If the update still does not complete, recreate the

USB and restart from the beginning.

•
CRITICAL REPAIR STEP
STOP!

If a diagnostic session was started, address 005F

and address 8125 must be re-identified before

performing the software update in Step 4.

Failure to do so can result in error code ODS5003E

or ERP0215E when the SVM is attempted in

Step 4.

Proceed to Step 2 for performing a bus sleep.
91VH Page 20 of 46
Step 2 – Perform Bus Sleep Procedure

•
Carry out the following steps in the specified sequence to put the vehicle in a bus sleep.
•
Switch off the ignition.
•
Remove diagnosis interface from the vehicle diagnosis connection.
•
Remove battery charger from the 12V battery.
•
Close front and rear lid as well as all doors.
•
Lock vehicle.
•
Move vehicle key (remote control) at least 20 meters away from the vehicle.
•
Wait at least 15 minutes until the vehicle is in bus silence.
•
Then unlock vehicle again.
•
Connect and switch on battery charger.
•
Insert diagnosis interface on vehicle diagnosis connection.
•
Switch on the ignition.
•
Place a vehicle key (remote control) in the cup holder area on the reader coil.
Proceed to Step 3 for performing recording 12V battery adaptation information
91VH Page 21 of 46
Step 3 – Record 12V Battery Adaptation Information

•
Select the “Test plan” tab
•
Select the “Self-select test plan” option
•
Select “Service Work”
•
Select “Tests on the 12V system”
•
Select “Read 12V battery adjustment” and attach to the

test plan
•
Perform the test
•
Record the 12V battery information.
Proceed to Step 4 for performing software update via SVM
91VH Page 22 of 46
Step 4 – Perform Software Update SVM

CRITICAL REPAIR STEP
STOP!

DO NOT start the flash and leave the vehicle unattended overnight, or for long periods of time. Doing so can cause

irreparable damage to control units or lead to inaccurate log times. Requests for additional GFF time and/or damage

to control units caused by the flash running overnight will be denied.

NOTE

Flashing times will vary. The time it takes to complete the software updates is dependent on several factors.

NOTE

Only one key can be in the vehicle when performing this software flash.

The vehicle key’s battery must be ok.

Any additional keys must be a minimum of 20 meters away from the vehicle.

The car MUST NOT be hooked up to a high-voltage charger.

The seat belt must be inserted into the buckle.

The driver door must be open.

NOTE

As a best practice, document the customer settings

prior to starting the SVM software updates. For

example: Document the customer’s max charge

level setting as this may change after the software

update.

NOTE

The battery charger may shut off automatically after

several hours due to a default setting. Each time the

battery charger is reconnected, it must be turned

OFF and then back ON to reset the charging start

time.

•
Turn battery charger OFF, then back ON.
•
Connect battery charger.
•
Cycle the ignition OFF, then back ON.
•
Confirm that scan tool is communicating with

the diagnostic head by USB <Green Arrow>.

o
If the Bluetooth symbol is shown <Red

Arrow> then disconnect the diagnostic

head from the vehicle and reconnect

the USB cable to the diagnostic head

and then reattach to the vehicle.
91VH Page 23 of 46
•
Upon ODIS startup, verify the “Diagnosis”

operating mode is selected <as shown>.
CRITICAL REPAIR STEP
STOP!

•
Check for pre-existing faults.
•
If any of the modules being updated are offline, the communication issue must be addressed prior to starting

123 4

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Last update on 2026-03-27 / Affiliate links / Images from Amazon Product Advertising API

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