

Turn the hazards on.

CAUTION
The procedure may cancel itself if the hazard warning
lights are not switched on. The hazard warning lights
prevent the system from switching to bus sleep mode
during the update.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These procedures are
not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To determine whether this information
applies, contact an authorized Volkswagen dealer. 2022 Volkswagen of America, Inc. All Rights Reserved.
August, 2022

24HV Page 6 of 14

Release Date

08/30/2022

Technical Service Bulletin

24HV UPDATE
Engine Control Module Software Update – (FED_EMS)


Confirm that scan tool is communicating with the
diagnostic head by USB .
o

If the Bluetooth symbol is shown then disconnect the diagnostic
head from the vehicle and reconnect
the USB cable to the diagnostic head
and then reattach to the vehicle.



Upon ODIS startup, verify the “Diagnosis”
operating mode is selected .



Once the GFF scan is complete, select “Special
functions” , then “Adapting software”
, then select “Perform test” .

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These procedures are
not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To determine whether this information
applies, contact an authorized Volkswagen dealer. 2022 Volkswagen of America, Inc. All Rights Reserved.
August, 2022

24HV Page 7 of 14

Release Date

08/30/2022

Technical Service Bulletin

24HV UPDATE
Engine Control Module Software Update – (FED_EMS)


Select the correct option to “Update software via
action code” OR “Software update via
measured code”.

NOTE
The different options to perform the SVM operation
may vary based on model.

NOTE
Using Bluetooth or WiFi for this action is
PROHIBITED!
Damage caused to electronic components (e.g. ECM,
TCM, etc.) during the SVM flash process is not
covered.


Enter the corrective action code (SVM code) as
listed below.

SVM code

49C5


Select “Accept” and follow the on
screen prompts.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These procedures are
not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To determine whether this information
applies, contact an authorized Volkswagen dealer. 2022 Volkswagen of America, Inc. All Rights Reserved.
August, 2022

24HV Page 8 of 14

Release Date

08/30/2022

Technical Service Bulletin

24HV UPDATE
Engine Control Module Software Update – (FED_EMS)


During the flash, this screen appears when each
operation is performed:



Select Complete/Continue after each
operation is completed.



When the SVM update is complete a
confirmation message is displayed .



Select “Complete/Continue” .

TIP
If the software in the vehicle is already current, a
message may appear indicating this. If this occurs,
complete the ODIS test plan and send the diagnostic
protocol online.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These procedures are
not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To determine whether this information
applies, contact an authorized Volkswagen dealer. 2022 Volkswagen of America, Inc. All Rights Reserved.
August, 2022

24HV Page 9 of 14

Release Date

08/30/2022

Technical Service Bulletin

24HV UPDATE
Engine Control Module Software Update – (FED_EMS)
NOTE


It is IMPERATIVE that ALL of the ignition
cycle on/off delay requests are fulfilled in their
entirety during this flash process .



Failing to wait for the ignition on/off timing
cycle to complete (progress bar and
countdown timer ) before cycling
the ignition on/off MAY damage a control
module.



Damage to control modules as a result of
failing to wait the specified time displayed by
the progress bar and countdown timer
are NOT covered under this
action.



After the software update is completed and
before sending the GFF Log Online:



o

Select the “Control Module” tab.

o

Scroll down and right click on the
module that was updated (0001).

o

Select “Identify
.

Control

Module”

Exit GFF and send diagnostic protocol online
when prompted.

NOTE
Static communication faults may store in various
control modules during the flash. These faults can
only be cleared by following one of these steps:


Drive the vehicle a short distance (around the
parking lot, for example).



After selecting “Yes”, turn the ignition off for
30 seconds, turn it back on and repeat the
GFF exit program.



Clear faults using OBD (an additional key
cycle may also be required).

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These procedures are
not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To determine whether this information
applies, contact an authorized Volkswagen dealer. 2022 Volkswagen of America, Inc. All Rights Reserved.
August, 2022

24HV Page 10 of 14

Release Date

08/30/2022

Technical Service Bulletin

24HV UPDATE
Engine Control Module Software Update – (FED_EMS)


Release the parking brake.



Disconnect the VAS tester.



Switch off and disconnect the battery charger.



Reinstall the battery cover.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These procedures are
not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To determine whether this information
applies, contact an authorized Volkswagen dealer. 2022 Volkswagen of America, Inc. All Rights Reserved.
August, 2022

24HV Page 11 of 14

Release Date

Technical Service Bulletin

08/30/2022

24HV UPDATE
Engine Control Module Software Update – (FED_EMS)

Warranty
Claim Entry Instructions
After Update has been completed, enter claim as soon as possible to help prevent work from being duplicated
elsewhere. Attach the ELSA screen print showing action open on the day of repair to the repair order.
If customer refused campaign work or vehicle is out of the specified warranty parameter for this Update:


U.S. dealers: Submit request via WISE under the Campaigns/Update/Recall Closure option.



Canada dealers: Upload the repair order [signed by customer] to Volkswagen WIN/Operations/Campaign
Closure.
Service Number

24HV

Damage Code

0099

Parts Vendor Code
Claim Type

WWO
Sold vehicle: 7 10
Unsold vehicle: 7 90

Causal Indicator
Vehicle Wash/Loaner

Mark labor as causal
Do not claim wash/loaner under this action
U.S.A.: Loaner/rental coverage cannot be claimed under this action. However,
loaner/rental may be covered under the Alternate Transportation Program. Please refer
to the Volkswagen Warranty Policy and Procedures Manual for loaner claims information
and reimbursement details.
Canada: Loaner/rental coverage cannot be claimed under this action. Please refer to the
Volkswagen Service Loaner Program to determine loaner eligibility.

Criteria I.D.

01
LABOR
Labor Op

Time Units

Description

2706 89 50

10

Connect battery charger

2470 25 99

Time stated on
diagnostic protocol
(Up to 40 TU)

Update engine control module software

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These procedures are
not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To determine whether this information
applies, contact an authorized Volkswagen dealer. 2022 Volkswagen of America, Inc. All Rights Reserved.
August, 2022

24HV Page 12 of 14

Release Date

08/30/2022

Technical Service Bulletin

24HV UPDATE
Engine Control Module Software Update – (FED_EMS)
Additional Actions Some of the affected vehicles may be involved in additional Actions. Please check your
ELSA Campaign/Action Information screen so that any additional required work can be
done simultaneously.
Verifying Vehicle
Eligibility

To verify vehicle eligibility for this Update, always check the ELSA Campaign/Action
Information screen. The ELSA system is the only binding inquiry and verification system;
other systems are not valid and may result in non-payment of a claim.

Help for Claim
Entry

For questions regarding claim entry, contact Volkswagen Warranty.

Required
Customer
Notification

Inform your customer in writing by recording on the Repair Order any and all work that
was conducted on the vehicle, including any and all updates completed under this Update.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These procedures are
not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To determine whether this information
applies, contact an authorized Volkswagen dealer. 2022 Volkswagen of America, Inc. All Rights Reserved.
August, 2022

24HV Page 13 of 14

Release Date

08/30/2022

Technical Service Bulletin

24HV UPDATE
Engine Control Module Software Update – (FED_EMS)

Required Special Tools
Diagnostic Tester
Battery Tester/Charger
capable of minimum 70
Amp continuous supply

-VAS6150X/VAS6160X(or equivalent)

Additional Information
All parts and service references provided in this Update are subject to change and/or removal. Always check
ELSA for the most current version of this document.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These procedures are
not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To determine whether this information
applies, contact an authorized Volkswagen dealer. 2022 Volkswagen of America, Inc. All Rights Reserved.
August, 2022

24HV Page 14 of 14