Circular24IO 823

Emissions Service Action
Code: 24iO
Subject
Camshaft Position Sensors
Document History
Affected Vehicles
Date
Summary
08/03/2023
Updated work instructions with sensor part number detail in
the event the colored dots are missing from the sensors.
03/09/2023
Updated labor operation for S5 Cabriolet models.
Added claiming for bleeding coolant system.
02/14/2023
Original publication
Country
USA
USA
USA
USA
USA
USA
USA
USA
USA
USA
USA
CAN
CAN
CAN
CAN
CAN
CAN
CAN
CAN
CAN
CAN
CAN
Beginning
Model Year
2022
2022
2022
2022
2022
2022
2022
2022
2022
2021
2021
2022
2022
2022
2022
2022
2022
2022
2022
2022
2021
2021
Ending
Model Year
2022
2022
2022
2022
2022
2022
2022
2022
2022
2022
2022
2022
2022
2022
2022
2022
2022
2022
2022
2022
2022
2022
Vehicle
A6 ALLROAD
A6 SEDAN
A7
Q7
Q8
S4 SEDAN
S5 CABRIOLET
S5 COUPE
S5 SPORTBACK
SQ5
SQ5 SPORTBACK
A6 ALLROAD
A6 SEDAN
A7
Q7
Q8
S4 SEDAN
S5 CABRIOLET
S5 COUPE
S5 SPORTBACK
SQ5
SQ5 SPORTBACK
Vehicle
Count
45
129
86
757
394
69
103
39
154
2,302
311
3
12
10
198
38
16
9
4
40
451
132
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.
Problem Description

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.
Under certain conditions, tolerance issues related to the engine camshaft position sensors may
elevate tailpipe emissions.
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 Audi dealer. 2023 Audi of America, Inc. and Audi Canada. All Rights Reserved.
August 2023
24iO Page 1 of 15
Corrective Action
Code Visibility
Install updated camshaft position sensors.
On or about February 14, 2023, the campaign code was applied to affected vehicles.
Owner Notification
Owner notification took place in February 2023. 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.accessaudi.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.accessaudi.com.
The 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 Audi dealer. 2023 Audi Group of America, Inc. and Audi Canada. All Rights Reserved.
August 2023
24iO Page 2 of 15
Parts Information
Parts Control Type:
Free Order
Parts will be managed by Free Order
Initial Allocation:
NO
There will be no parts allocation. Please reference the Repair Projection Tool (below)
to view your potential VIN population.
Repair Projection Tool:
(right click to open)
Criteria
01
Quantity
Part Number
P.O.C. Part Description
Ordering Method
1
06M-998-601
REPAIR KIT
Free Order
Up to 1.0 L
G -12E-050-1G DSP
G12 EVO Coolant (U.S. ONLY)
POC
Up to 1.0 L
G -12E-050-2G DSP
G12 EVO Coolant (CANADA ONLY)
POC
NOTE
The specified part numbers reflect the status at the start of this action. Interim updates made in ETKA can cause a
listed part number to become unavailable. In this case, the new part number specified in ETKA should be used.
The 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 Audi dealer. 2023 Audi Group of America, Inc. and Audi Canada. All Rights Reserved.
August 2023
24iO Page 3 of 15
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 customer refused campaign work:
 U.S. dealers: Submit the request through Audi Warranty Online under the Campaigns/Update option.
 Canada dealers: Upload the repair order [signed by customer] to Audi WIN/Operations/Campaign Closure.
Service Number
Damage Code
Parts Vendor Code
Claim Type
24iO (Letter O, not number zero)
0099
002
Sold vehicle: 7 10
Unsold vehicle: 7 90
Causal Indicator
Vehicle Wash/Loaner
Criteria I.D.
Mark REPAIR KIT* as causal part
Do not claim wash/loaner under this action
01
Replace bank 1 and bank 2 intake camshaft position sensors (G40 & G163)
LABOR
All Models EXCEPT S5 Cabriolet:
Labor Op
Time Units
Description
2866 19 43
SEE ELSA
Camshaft position sensor remove+reinstall
(G163)
2866 19 94
SEE ELSA
Camshaft position sensor remove+reinstall
(G40)
2425 19 43
SEE ELSA
Air cleaner remove+reinstall
(if necessary)
1901 01 99
30
Bleed cooling system
(if necessary)
S5 Cabriolet ONLY:
Labor Op
Time Units
Description
2866 19 43
SEE ELSA
Camshaft position sensor remove+reinstall
(G163)
2866 19 99
10
Camshaft position sensor remove+reinstall
(G40)
2425 19 43
SEE ELSA
Air cleaner remove+reinstall
1901 01 99
30
Bleed cooling system
(if necessary)
Continued on next page
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 Audi dealer. 2023 Audi of America, Inc. and Audi Canada. All Rights Reserved.
August 2023
24iO Page 4 of 15
PARTS (all models)
Quantity
Part Number
Description
1.00
06M998601
REPAIR KIT*
Up to 0.26
G 12E050S0
COOLANT
(U.S. ONLY)
Up to 10.00
G 12E050S0
COOLANT
(CANADA ONLY)
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 Audi dealer. 2023 Audi of America, Inc. and Audi Canada. All Rights Reserved.
August 2023
24iO Page 5 of 15
Customer Letter Example (USA)




This notice applies to your vehicle:   , 
Subject: Emissions Service Action 24iO – Camshaft Position Sensors
Dear Audi Owner,
In cooperation with the United States Environmental Protection Agency and the California Air Resources Board, we are informing
you of our decision to conduct an emissions service action on certain 2021-2022 model year Audi vehicles. Our records show
that you are the owner of a vehicle affected by this action.
What is the issue?
Under certain conditions, tolerance issues related to the engine camshaft position sensors may
elevate tailpipe emissions.
What will we do?
Your authorized Audi dealer will install updated camshaft position sensors. This work will take
about two hours to complete and will be performed for you free of charge. Please keep in mind
that your dealer may need additional time for the preparation of the repair, as well as to
accommodate their daily workshop schedule.
What should you do?
In order to limit any possible inconvenience, please contact your authorized Audi dealer as soon as
possible to schedule this service. For your convenience, you can also visit www.audiusa.com and click
on the “Find a Dealer” link to locate a dealer near you and schedule this service.
Lease vehicles and
address changes
If you are the lessor and registered owner of the vehicle identified in this action, please forward
this letter immediately via first-class mail to the lessee within ten (10) days of receipt. If you have
changed your address or sold the vehicle, please fill out the enclosed prepaid Owner Reply card
and mail it to us so we can update our records.
Important information for California regulations require that this campaign be completed prior to the time you renew your
California Vehicle Owners vehicle registration. Therefore, please make sure that this campaign is completed prior to
the renewal of your vehicle registration, and that you furnish proof of completion to the
– California Regulations
Department of Motor Vehicles (DMV) in the form of a copy of the dealer’s repair order, including
a signed “Proof of Correction” certificate. You obtain this from your dealer after the campaign has
been completed. Please retain the signed “Proof of Correction Certificate” with your vehicle
records. DO NOT MAIL THIS FORM to the DMV, unless requested.
Can we assist you
further?
If your authorized Audi dealer fails or is unable to complete this work free of charge within a
reasonable time, please contact Audi Customer Experience at 1-800-253-2834 or via our
“Contact Us” page at www.audiusa.com.
Checking your vehicle for
open Recalls and Service
Campaigns
To check your vehicle’s eligibility for repair under this or any other recall/service campaign, please
visit the Recall/Service Campaign Lookup tool at www.audiusa.com and enter your Vehicle
Identification Number (VIN).
We apologize for any inconvenience this matter may cause; however we are taking this action to help ensure your vehicle
continues to meet and exceed your expectations.
Sincerely,
Audi Customer Protection
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 Audi dealer. 2023 Audi of America, Inc. and Audi Canada. All Rights Reserved.
August 2023
24iO Page 6 of 15
Customer Letter Example (Canada)




This notice applies to your vehicle:   , 
Subject: Emissions Service Action 24iO – Camshaft Position Sensors
Dear Audi Owner,
This notice is sent to you in accordance with the requirements of the Canadian Environmental Protection Act, 1999. Audi
has determined that a defect, which relates to a prescribed emission standard, exists in certain 2021-2022 model year
Audi vehicles. Our records show that you are the owner of a vehicle affected by this action.
What is the issue?
Under certain conditions, tolerance issues related to the engine camshaft position sensors may
elevate tailpipe emissions.
What will we do?
Your authorized Audi dealer will install updated camshaft position sensors. This work will
take about two hours to complete and will be performed for you free of charge. Please keep
in mind that your dealer may need additional time for the preparation of the repair, as well
as to accommodate their daily workshop schedule.
What should you do?
In order to limit any possible inconvenience, please contact your authorized Audi dealer as
soon as possible to schedule this service. On or about February 14, 2023 the necessary
repair instructions and parts will be available to your authorized Audi dealer.
Lease vehicles and
address changes
If you are the lessor and registered owner of the vehicle identified in this action, please
forward this letter immediately via first-class mail to the lessee within ten (10) days of receipt.
If you have changed your address or sold the vehicle, please fill out the enclosed prepaid
Owner Reply card and mail it to us so we can update our records.
Can we assist you
further?
If your authorized Audi dealer fails or is unable to complete this work free of charge within
a reasonable time, please contact Audi Customer Relations Monday through Friday from
8AM to 8PM EST at 1-800-822-2834 or via our “Contact Audi Canada” page at
www.audi.ca.
We apologize for any inconvenience this matter may cause; however we are taking this action to help ensure your vehicle
continues to meet and exceed your expectations.
Sincerely,
Audi Customer Protection
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 Audi dealer. 2023 Audi of America, Inc. and Audi Canada. All Rights Reserved.
August 2023
24iO Page 7 of 15
Repair Overview
•
Replace intake camshaft position sensors
(G40 & G163).
NOTE
•
These repair instructions may differ from the labor operations and labor times listed in ELSA.
•
Damages resulting from improper repair or failure to follow these work instructions are the dealer’s
responsibility and are not eligible for reimbursement under this action.
•
This procedure must be read in its entirety prior to performing the repair.
•
Due to variations in vehicle equipment and options, the steps/illustrations in this work procedure may not
identically match all affected vehicles.
•
Diagnosis and repair of pre-existing conditions in the vehicle are not covered under this action.
•
When working during extreme temperatures, it is recommended that the vehicle be allowed to acclimate
inside the shop to avoid temperature-related component damage/breakage.
Required Tools
Bit Torx T30
-T10573(or equivalent)
Cooling System Charge Kit
-VAS6096-
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. 2023 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
August 2023
24iO Page 8 of 15
Repair Instruction
Section A - Check for Previous Repair
•
Enter the VIN in Elsa and proceed to the
“Campaign/Action” screen.
TIP
On the date of repair, print this screen and keep a
copy with the repair order.
•
Confirm the Campaign/Action is open . If the status is closed, no further work is
required.
•
Note the Applicable Criteria ID  for use
in determining the correct work to be done and
corresponding parts associated.
CRITICAL REPAIR STEP
STOP!
If multiple software update Campaign/Actions are
open, they must be performed in order of the Start
date . The oldest should be performed
first.
•
All Safety Recalls must be completed prior to
completing this campaign.
•
Proceed to Section B.
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. 2023 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
August 2023
24iO Page 9 of 15
Section B – Repair Procedure
Remove engine cover:
•
See ELSA Repair Manual: Repair manual >
Engine > Servicing - 6-Cylinder 2.9L; 3.0L 4V
TFSI EA839 Engine > 10 Engine Assembly >
Engine Cover > Engine Cover, Removing and
Installing
Remove air filter housing:
•
See ELSA Repair Manual: Repair manual >
Engine > 6-Cylinder Direct Fuel Injection 2.9L;
3.0L 4V TFSI Engine EA 839 > 24 Multiport
Fuel Injection > Air Filter > Air Filter Housing,
Removing and Installing
Remove the right coolant pipes from longitudinal
member (if necessary):
CAUTION
The cooling system can be under pressure. Risk
of scalding by hot steam and hot coolant.
Possibility of scalding the skin and other parts
of the body.
Wear safety gloves.
Wear protective eyewear.
Reduce the pressure: cover the coolant expansion
tank cap with a suitable towel and carefully open.
•
Place rags underneath the hoses or a catch
tray under the vehicle to catch escaping
coolant. Ensure that any spilled coolant is
cleaned with water.
•
Loosen the hose clamps <1> and remove the
coolant hoses.
•
Remove the nuts .
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. 2023 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
August 2023
24iO Page 10 of 15
•
Remove the bolts <1>.
•
Loosen the hose clamps , remove
the coolant hoses and remove the coolant
pipes.
Replacing the camshaft position sensors:
It is essential to observe the following fitting locations
when installing the new camshaft sensors:
•
Install white (part number index “K”) camshaft
position sensor (G40) on bank 1 .
Bank 1 is always on the right/passenger side
of the engine as seen in the direction of vehicle
travel , opposite the gearbox.
•
Install blue (part number index “J”) camshaft
position sensor (G163) on bank 2 (left/driver
side).
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. 2023 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
August 2023
24iO Page 11 of 15
•
Push the upper section of the noise insulation
slightly upward.
•
Disconnect the connector <2>.
•
Remove the bolt  and remove the
camshaft position sensor <1>. (Camshaft
Position Sensor -G40- shown).
•
Install the new sensor in the reverse order of
removal.
•
Torque bolt  to 9 Nm.
Reinstall coolant pipes:
•
Installation is the reverse order of removal.
•
Torque bolts to 9 Nm.
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. 2023 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
August 2023
24iO Page 12 of 15
Fill coolant:
•
See ELSA Repair Manual: Repair manual >
Engine > 6-Cylinder Direct Injection 3.0L 4V
TFSI Engine EA839 > 19 Cooling System >
Coolant System/Coolant > Coolant, Draining
and Filling
Reinstall air filter housing and engine cover:
•
Installation is the reverse order of removal.
Proceed to Section C
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. 2023 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
August 2023
24iO Page 13 of 15
Section C – Campaign Completion Stamp
•
Once the campaign has been completed,
the technician should stamp the repair
order.
•
Stamps are available for ordering through
the Compliance Label Ordering Portal.
Proceed to Section D
Item#: AUD4927ENG
-OR-
Item # AUD4927FRE
Section D – Campaign Completion Label
Install Campaign Completion Label
•
Fill out and affix Campaign Completion
Label, part number CAMP 010 000, next to
the vehicle emission control information
label.
TIP
Ensure Campaign Completion Label does not cover
any existing label(s).
Proceed to Section E
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. 2023 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
August 2023
24iO Page 14 of 15
Section E - Parts Return/Disposal
Properly store (retain), destroy or dispose of removed parts in accordance with all state/province and local
requirements, unless otherwise indicated and/or requested through the Warranty Parts Portal (WPP) for U.S. and
the Part Destruction and Core Disposition Report for Canada.
Proceed to Section F (California only).
Section F – California Only Requirements
CALIFORNIA ONLY Requirements for Emissions Campaigns Having Customer Notification
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 EMIS_CAL VW).
Certificates can be ordered at no cost online via the Compliance Label Ordering portal at www.accessaudi.com.
TIP
Ensure owners are aware of the importance of retaining the completed certificate for their records. It should be
mailed to the California DMV only upon request.
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. 2023 Volkswagen Group of America, Inc. and Volkswagen Canada. All Rights Reserved.
August 2023
24iO Page 15 of 15