NHTSA ID Number: 11023830
Manufacturer Communication Number: Circular 21ZV
TSB/Document Date: 2025-10-03
Summary
In affected vehicles, the turbocharger housing included an unintended and unused hose port. To avoid possible oil seepage or a small air leak over time, Volkswagen
will proactively replace the turbocharger. Based on engineering judgement, this incorrect part is not anticipated to impact performance, fuel consumption, or emissions.
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TSB/Document ID: Circular 21ZV
Replacement Service Bulletin Number:
MFR Communication Date: 2025-09-09
MFR Internal Campaign ID/Software Version: 21ZV
Communication Type: Service Campaign
NHTSA Components: ENGINE
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
Emissions Service Action
Code: 21ZV
Subject
Document History
Affected Vehicles
Turbocharger Compressor Housing
Date
09/09/2025
Country
USA
USA
CAN
CAN
Summary
Original publication
Beginning
Model Year
2024
2024
2024
2024
Ending
Model Year
2024
2024
2024
2024
Vehicle
JETTA
TAOS
JETTA
TAOS
Vehicle
Count
45
62
5
2
Check Campaigns/Actions screen in Elsa on the day of repair to verify that a VIN qualifies for repair under this
action. Elsa is the only valid campaign inquiry & verification source.
About this Service
Action
Code Visibility
Campaign status must show “open.”
If Elsa shows other open action(s), inform your customer so that the work can also be completed at
the same time the vehicle is in the workshop for this campaign.
In affected vehicles, the turbocharger housing included an unintended and unused hose port.
To avoid possible oil seepage or a small air leak over time, Volkswagen will proactively replace
the turbocharger. Based on engineering judgement, this incorrect part is not anticipated to
impact performance, fuel consumption, or emissions.
On or about September 09, 2025, the campaign code will be applied to affected vehicles.
Owner Notification
Owner notification will take place in September 2025. Owner letter examples are included in
this bulletin for your reference.
Emissions Campaigns
Requirements
(CALIFORNIA ONLY)
The California Air Resources Board and the Department of Motor Vehicles (DMV) require
emissions-related campaigns to be completed prior to vehicle registration renewal. When
campaign work is done you must provide the owner with a signed “Vehicle Emission Recall –
Proof of Correction” certificate (RC EMISCAVWAU). Order certificates online via the
Compliance Label Ordering portal at www.vwhub.com.
Additional Information
Please alert everyone in your dealership about this action, including Sales, Service, Parts
and Accounting personnel. Contact Warranty if you have any questions.
Dealers must ensure that every affected inventory vehicle has this campaign completed before
delivery to consumers
Fill out and affix Campaign Completion Label (CAMP 010 000) after work is complete.
Labels can be ordered at no cost via the Compliance Label Ordering portal at www.vwhub.com.
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. 2025 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
Confidential
21ZV Page 1 of 10
Parts Information
Criteria
Model
ALL
01
Taos 4-Motion
Quantity
Part Number
P.O.C. Part Description
1
04E-145-853-E
RETAINER
1
04E-253-039-H
GASKET
1
05E-145-702-A
EXMANTURBO
1
5C0-253-115-A
GASKET
1
5Q0-253-725-H
CLIP
4
WHT-000-001-N
NUT
1
WHT-003-247
2
WHT-005-363-A
2
WHT-006-990-A
As needed
See ETKA/POC
G12 EVO Coolant
1
WHT-011-270
SEAL RING
1
WHT-011-271
SEAL RING
1
WHT-008-582
SEAL RING
3
WHT-000-729-A
1
02E-409-359
4
N -910-889-01
SCREW
1
N -015-081-8
NUT
1
N -102-058-02
NUT
3
N -912-332-01
HEX. NUT
1
WHT-005-437-A
12POINT S
3
N -908-461-02
SCREW
1
N -107-847-01
1
N -107-848-01
SCREW
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. 2025 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
21ZV Page 2 of 10
Ordering Method:
Reference POC comments individually by part number, or in the POC Campaign List
Initial Allocation: NO
There will be no parts allocation.
NOTE
Your dealer’s Estimated Remaining Repairs by campaign can be found in Parts on Command.
Click on “View Campaign List” and review the Estimated Remaining Repairs column.
NOTE
Campaign parts should always be ordered as per the parts information in this circular. The ordering system will
supersede the part, if applicable.
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. 2025 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
21ZV Page 3 of 10
Claim Entry Instructions
The labor times listed here may differ from the labor operations and labor times listed in ELSA.
After campaign 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 a customer declines campaign work, refer to the “Customer Declines Campaign/Update Repair” section in the
Campaign/Update Policy and Procedures Manual.
Service Number
21ZV
Damage Code
0099
Parts Vendor Code
Claim Type
WWO
Sold vehicle: 7 10
Unsold vehicle: 7 90
Causal Indicator
Vehicle Wash/Loaner
Mark EXMANTURBO* as causal part
Do not claim wash/loaner under this action.
Loaner/rental coverage cannot be claimed under this action. However, loaner/rental
may be covered under the current loaner/mobility program. Please refer to the
Volkswagen Warranty Policy and Procedures Manual for loaner claims information and
reimbursement details.
Criteria I.D.
01
LABOR
Model
Labor Op
Time Units
Taos
(FWD ONLY)
2130 19 47
SEE ELSA
Turbocharger remove+reinstall
Taos
(4-MOTION ONLY)
2130 19 45
SEE ELSA
Turbocharger remove+reinstall
Jetta
2130 19 45
SEE ELSA
Turbocharger remove+reinstall
2130 55 95
SEE ELSA
Turbocharger replace
2706 89 50
SEE ELSA
Connect battery charger
0150 00 60
Time stated on
diagnostic protocol
GFF/Guided Functions
ALL
Description
PARTS
Model
ALL
Quantity
Part Number
Description
1.00
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