A9124022062466_5

Technical Service Bulletin
91 Apple CarPlay cannot be started using Wi-Fi connection (Wireless CarPlay)
91 24 02 2062466/5 April 18, 2024. Supersedes Technical Service Bulletin Group 91 number 24-70 dated
February 15, 2024 for reasons listed below.
Model(s)
Year
A6, A7, A8, and
Q8
2019 - 2025
Q3
2019 - 2024
e-tron quattro
VIN Range
Vehicle-Specific Equipment
All
Not Applicable
2019
2021 - 2023
A6 allroad, S6,
S7, S8, Q7, SQ7, 2020 - 2025
SQ8, and RS Q8
e-tron Sportback
quattro
2020 - 2023
A8 e quattro
2020 - 2021
RS 6 Avant, and
RS 7
2021 - 2025
A7 e quattro
2021 - 2022
A4, A4 allroad,
S4, e-tron GT,
and RS e-tron
GT
2022 - 2025
A3, S3, RS 3, Q4
e-tron quattro,
2022 - 2024
and Q4
Sportback e-tron
Q4 Sportback etron
2023 - 2024
Q8 e-tron, Q8
Sportback e-tron,
SQ8 e-tron, and 2024 - 2025
SQ8 Sportback
e-tron
Condition
REVISION HISTORY
© 2024 Audi of America, Inc.
Internal
Page 1 of 13
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Audi of America, Inc., its affiliated companies, and its licensors. All rights are reserved to make changes at any time without notice. No part of this
document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may
these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.
Technical Service Bulletin
Revision
Date
Purpose
5
-
Revised Condition (added reference to TSB 2073333)
4
02/15/2024
Revised Header (added model years)
Revised Condition (updated to template)
Revised Service (updated troubleshooting guide)
Revised Warranty (added labor ops)
3
11/08/2022
Revised Header (Added Model Year)
Revised Additional Information (Included TSB reference)
Customer states:
• The customer can’t reliably connect their iPhone to the vehicle via Apple CarPlay.
• Automatic and/or manual connection attempts fail.
• Connection via USB cable works normally.
Workshop findings:
• The complaint can be reproduced with the customer’s iPhone.
• When trying other Apple or Android devices, a wireless ASI connection is possible without any issues.
• Wired Apple CarPlay works normally.
For MY24 (A4/A5/A6/A7/A8/Q5/Q7/Q8/Q8 etron/e-tron GT) and some MY23 (Q7/Q8) vehicles with ConBox
High:
• If wireless Apple CarPlay™ or wireless AndroidAuto™ doesn’t work, but a wired connection does
work, refer to TSB 2073333.
Technical Background
To learn more about Apple CarPlay, please visit Apple's support article titled, "How to use CarPlay with your
iPhone" https://support.apple.com/en-us/HT205634 (Figure 1).
© 2024 Audi of America, Inc.
Internal
Page 2 of 13
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Audi of America, Inc., its affiliated companies, and its licensors. All rights are reserved to make changes at any time without notice. No part of this
document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may
these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.
Technical Service Bulletin
Figure 1. Apple CarPlay screen in Audi MMI.
What is Wireless CarPlay?
Wireless CarPlay uses the vehicle's Wi-Fi to provide the same functionality as wired Apple CarPlay without using
a tethered USB connection to the vehicle's infotainment system. Pairing to the vehicle is performed using the
Bluetooth system.
Which Audi MMI systems support Wireless CarPlay?
MIB2+ with ConBox Low
• 2019 Audi e-tron quattro.
• 2019 A6, A7, A8, Q3, and Q8.
• 2020 A6, A7, A8, Q3, Q7, Q8, and e-tron Sportback.
• 2021 Q3.
MIB3 with ConBox High or OCU3/4
• 2021+ A4, A5, A6, A7, A8, Q5, Q7, and Q8.
• 2021+ e-tron quattro and e-tron Sportback.
• 2022+ A3, A4, A5, A6, A7, A8, Q3, Q5, Q7, Q8, Q4 e-tron, e-tron GT, RS e-tron GT.
• 2024+ Q8 e-tron
• The type of ConBox system is important to note because the Wi-Fi and Bluetooth are controlled differently for
each system. For MIB2+ MMI, the Wi-Fi hotspot is controlled by the ConBox Low module, and the MMI
controls the Bluetooth system. For the MIB3 MMI system, the Wi-Fi and Bluetooth systems are controlled by
the ConBox High module.
The MY 2020 A4/A5 models with MIB3 do not support Wireless CarPlay.
© 2024 Audi of America, Inc.
Internal
Page 3 of 13
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Audi of America, Inc., its affiliated companies, and its licensors. All rights are reserved to make changes at any time without notice. No part of this
document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may
these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.
Technical Service Bulletin
How does the apple iPhone establish a Wireless CarPlay connection to the vehicle’s infotainment
system?
Initiating a Wireless CarPlay session can be performed using two different methods.
1. Bluetooth Connection to the vehicle.
2. Wi-Fi connection to the vehicle.
It is important to understand that the two different “pairing” methods have major differences. The first difference is
how the vehicle recognizes the iPhone when the ignition is first started, and the second is how the iPhone uses
data during a CarPlay session.
• The vehicle establishes the Wireless CarPlay session for the Bluetooth pairing method when the vehicle sees
the Apple iPhone connected to Bluetooth.
• For the Wi-Fi pairing method, the vehicle establishes the Wireless CarPlay session when the vehicle sees the
Apple iPhone connected to the in-vehicle Wi-Fi hotspot.
Data usage for each method:
• For the Bluetooth pairing method, the phone always uses the phone’s data plan (LTE) to send and receive
data.
• The phone always attempts to use the Wi-Fi hotspot data for the Wi-Fi pairing method. In some cases, if the
Wi-Fi Assist is turned on in the “Cellular” settings of the iOS, the phone will attempt to use the phone’s data
plan. It is important to note that this doesn’t always work in all situations. The customer should contact their
mobile network provider or Apple customer support if they have issues with this feature.
When using Wired or Wireless CarPlay, the MMI does not store any personal or location data from the
phone. The MMI functions as a remote display for the phone, and only video, audio, and vehicle GPS
data are passed between the phone and the MMI. When the CarPlay session is ended, only the phone's
MAC ID is stored in the MMI. When using navigation applications on the phone, the vehicle's GPS
location information is provided to the phone. The phone's current and historical location information is
never sent to the MMI and is not possible to be stored in the MMI.
The complaints can be caused by various MMI or phone settings, as well as changes caused, for example, by
iOS updates and/or outdated iOS software. We always suggest using the newest available software on the mobile
device.
Production Solution
Not applicable.
Service
Initial Pairing for Wireless CarPlay
© 2024 Audi of America, Inc.
Internal
Page 4 of 13
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Audi of America, Inc., its affiliated companies, and its licensors. All rights are reserved to make changes at any time without notice. No part of this
document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may
these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.
Technical Service Bulletin
Prerequisites
1. SIRI must be enabled and configured in the iPhone (Check Settings >> General).
2. Bluetooth must be turned on in the iPhone and MMI (Only used for setup).
3. The iPhone must be discoverable via Bluetooth, which is achieved by opening the Bluetooth pairing menu on
the iPhone.
4. Wi-Fi must be turned on in the iPhone, but no pairing is needed (if it is not on, the iOS software should prompt
the user to turn it on).
5. Make sure that the Bluetooth name in the vehicle’s Bluetooth settings matches the WiFi SSID name in the
vehicle’s WiFi settings (see Figure 1/2).
6. Make sure that a WiFi password is set in the vehicle’s WiFi settings (see Figure 2).
Figure 1:
Bluetooth name
© 2024 Audi of America, Inc.
Internal
Page 5 of 13
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Audi of America, Inc., its affiliated companies, and its licensors. All rights are reserved to make changes at any time without notice. No part of this
document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may
these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.
Technical Service Bulletin
Figure 2:
WiFi SSID
Pairing for Wireless connection using the MMI system:
1. The customer
should establish
an Audi
Smartphone
Interface (ASI)
paring using the
MMI and accept
the prompt to
enable wireless
CarPlay (see
Figure 3).
Figure 3. Initial Apple CarPlay pairing prompt on iPhone
© 2024 Audi of America, Inc.
Internal
Page 6 of 13
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Audi of America, Inc., its affiliated companies, and its licensors. All rights are reserved to make changes at any time without notice. No part of this
document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may
these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.
Technical Service Bulletin
2. Accept the prompts in the MMI to enable wireless CarPlay. The MMI shares the Wi-Fi security
credentials to the iPhone over Bluetooth upon accepting. It’s important to note that the customer will
never need to manually pair the iPhone to the Wi-Fi hotspot in the vehicle.
3. At this point, Apple CarPlay should be active in the MMI. Turn off Bluetooth on the iPhone and turn it
back on if the CarPlay session is not active. Once the MMI sees the phone via Bluetooth, it will
connect to Wireless CarPlay over the Wi-Fi hotspot, and then Bluetooth will be disabled in the MMI.
When using the ASI pairing method above: The iPhone does not use the Wi-Fi hotspot for data
consumption. Instead, a private channel for communication is set up between the MMI and the iPhone
ONLY for Wireless CarPlay. This is why the Audi hotspot name will not be shown in the settings of the
iPhone when connected to the MMI for Wireless CarPlay. The iPhone will continue to use the LTE
network for data. The Bluetooth system is not used once the Car Play session is active in the MMI and
automatically turned off.
Troubleshooting
Concern: Intermittently after starting the vehicle, wireless CarPlay cannot be started. Upon touching
the tile in the MMI, the tile turns green, but CarPlay does not start.
Solution: Cycle the CarPlay Toggle in the Bluetooth Settings for the vehicle in the iPhone Settings
menu (Figure 3).
Figure 3. Toggle CarPlay option in Bluetooth Settings in iPhone.
This situation can occur when the MMI attempts to start Wireless CarPlay and cannot find
the iPhone on the MMI's Wi-Fi network. Typically, when this occurs, the iPhone is still active
on a different Wi-Fi hotspot (home or work network). Wireless CarPlay sessions operate over
Wi-Fi, but Bluetooth communication is used initially to tell the MMI that the iPhone is present
and ready to use Wireless CarPlay (and shares the Wi-Fi security information).
After the MMI attempts to connect to the iPhone for CarPlay over the Wi-Fi, it soon realizes it
cannot find the iPhone because it is connected to a different hotspot. This also can happen if
© 2024 Audi of America, Inc.
Internal
Page 7 of 13
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Audi of America, Inc., its affiliated companies, and its licensors. All rights are reserved to make changes at any time without notice. No part of this
document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may
these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.
Technical Service Bulletin
the iPhone is manually paired to the 2.4Ghz band of the car's Wi-Fi hotspot. The MMI has
two bands for Wi-Fi, 2.4Ghz (labeled AUDI_XXXX) and 5Ghz (labeled AUDI_XXXX_5Ghz).
Apple CarPlay uses the 5Ghz band, and this is automatically chosen when the first pairing is
done. If the customer tries to pair the iPhone to the 2.4Ghz band manually, it can create this
concern because, from this point on, the iPhone is constantly switching between the two
bands, which can upset Wireless CarPlay.
To fix this issue, in the iPhone settings, go to the Bluetooth settings (Figure 3, Step 1) for the
MMI and select the little "(i)" next to the MMI's name (Figure 3, Step 2) and then cycle the
"CarPlay" option off and back on (Figure 3, Step 3). If CarPlay does not automatically start,
then reselect it in the MMI. This step will need to be repeated anytime this issue occurs again
in the future.
Concern: Since the latest iOS update, the customer has had issues with Wireless CarPlay not
connecting at times.
Solution: Delete all phone pairings in the ASI and Bluetooth settings from the MMI by long-pressing
the tile and then select “delete” (see Figure 4).
Figure 4: Delete pairing.
Delete BOTH vehicle Wi-Fi hotspots from the phone under Settings>Wi-Fi>Edit (top
right)>remove vehicle hotspots from the list of known networks.
© 2024 Audi of America, Inc.
Internal
Page 8 of 13
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Audi of America, Inc., its affiliated companies, and its licensors. All rights are reserved to make changes at any time without notice. No part of this
document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may
these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.
Technical Service Bulletin
Figure 5: delete Wi-Fi pairing on the phone.
Delete the vehicle Bluetooth settings under Settings>Bluetooth>blue “i” next to the
device>select “Forget this device”.
Figure 6: Delete Bluetooth pairing from the phone.
Delete the vehicle CarPlay settings under Settings>General>CarPlay>select the
vehicle>select “Forget this car”.
© 2024 Audi of America, Inc.
Internal
Page 9 of 13
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Audi of America, Inc., its affiliated companies, and its licensors. All rights are reserved to make changes at any time without notice. No part of this
document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may
these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.
Technical Service Bulletin
Figure 6: Delete CarPlay pairing from the phone.
Reset network settings and pairings on the iPhone and the vehicle: Tap Settings > General >
Reset > Reset Network Settings (Figure 7).This also resets ALL SAVED Wi-Fi networks and
the associated passwords, cellular settings, and VPN and APN settings that have been used
before.
Figure 7. Reset Network Settings for Apple iPhone.
Re-pair the phone according to the steps listed above under Service
© 2024 Audi of America, Inc.
Internal
Page 10 of 13
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Audi of America, Inc., its affiliated companies, and its licensors. All rights are reserved to make changes at any time without notice. No part of this
document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may
these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.
Technical Service Bulletin
Concern: Since the Audi Connect PLUS plan has expired, the customer can no longer use Wireless
CarPlay.
Solution: Either turn on Wi-Fi assist or delete pairings for Wi-Fi and Bluetooth and perform a new
Bluetooth pairing only.
For this scenario, the customer must have connected the iPhone manually to the MMI's
hotspot using the SSID and password given by the MMI (Wi-Fi pairing method). When the
customer does this, the iPhone uses the Wi-Fi hotspot in the car for sending and receiving
data. If the customer does not have an active Audi connect PLUS plan (not required for
Wireless CarPlay) and the iPhone does not have Cellular Wi-Fi assist turned on, the iPhone
will disconnect from the vehicle's Wi-Fi hotspot if internet data is not provided. Leaving
Cellular Wi-Fi Assist on forces the iPhone to stay connected to a Wi-Fi hotspot that does not
provide internet data but will utilize LTE for the internet data only. This solution only works
with some iOS versions and can break during an iOS update.
If the previous solution does not work, delete the MMI Wi-Fi hotspot settings in the iPhone,
delete the Bluetooth pairing in the phone and MMI, pair the phone again to Bluetooth and
accept the prompts for Wireless CarPlay. DO NOT manually connect the iPhone to the Wi-Fi
hotspot in the car.
Why this is important: If you connect a phone to the Wi-Fi hotspot in the vehicle, the iPhone
will try to use the MMI for data consumption. Since no data can be obtained with an expired
Plus subscription, then Wireless CarPlay will not work since data is required for CarPlay in
general.
Concern: What if Apple CarPlay does not turn on automatically after turning on the car?
Solution: Check to ensure the iPhone is not connected to a different Wi-Fi hotspot.
Wireless Apple CarPlay requires that the customer's phone be connected to the Wi-Fi
hotspot of the vehicle, either directly or via the private channel (not seen in the iPhone Wi-Fi
settings). Check to ensure that the iPhone is not connected to the customer's home or work
Wi-Fi hotspot. If the iPhone shows no connection to any Wi-Fi hotspot, it could be connected
to the Wi-Fi using the private Wireless CarPlay. The key here is to ensure the iPhone is not
connected to another Wi-Fi hotspot outside of the car.
Solution: The phone offers a setting to disable the automatic CarPlay connection to the vehicle. Please
check the setting in the phone and make sure it is active if you desire CarPlay to
automatically start when you enter the vehicle.
Concern: Wireless CarPlay works intermittently. What could be causing this?
Solution: Unlock iPhone or turn off USB accessories security feature (Customer must be aware of this
security feature before turning it off).
Apple has instituted security features in iOS, starting with iOS 12. The newest feature locks
out the use of connected USB accessories, including the MMI, if the iPhone has not been
unlocked in the last hour before connecting the iPhone to the vehicle's USB or wirelessly for
CarPlay. Unlock the iPhone to fix the customer's concern.
Question: What is the 5Ghz Wi-Fi hotspot seen in the vehicle?
© 2024 Audi of America, Inc.
Internal
Page 11 of 13
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Audi of America, Inc., its affiliated companies, and its licensors. All rights are reserved to make changes at any time without notice. No part of this
document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may
these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.
Technical Service Bulletin
Answer:
5Ghz Wi-Fi is part of the dual-band high-speed Wi-Fi system in the MMI. Most modern home
routers are now dual-band, offering a 2.4Ghz band and a 5Ghz band. In most cases, upon
pairing the iPhone to the MMI, the iPhone will connect to the 5Ghz hotspot, which is normal,
but this connection may NOT be shown in the iPhone Settings >> Wi-Fi when the iPhone is
connected for Wireless CarPlay. 5Ghz allows for higher bandwidth but has a shorter signal
range. This is critical for a Wireless CarPlay since video and audio are streamed wirelessly.
Further Troubleshooting information can be found on Audi ZenDesk
(→ https://audi.zendesk.com)
If you would like to submit a technical repair inquiry about Apple CarPlay™, please fill out the
attached form (en_fragebogen_audi_smartphone_interface.xlsx) completely and attach it with
all required information and documentation to the technical repair inquiry.
Warranty
Only if the pairings were deleted and reestablished:
Claim Type:
• 110 Up to 48 Months/50,000 Miles.
• G10 for CPO Covered Vehicles – Verify Owner.
• If the vehicle is outside of any warranty, this Technical Service Bulletin is
informational only.
Service Number:
9109
Damage Code:
AD39
Labor Operations: Check display and operating unit control unit
9196 0199
20 TU
Diagnostic Time:
GFF
No allowance
0 TU
Road test prior to the service procedure
No allowance
0 TU
Road test after the service procedure
No allowance
0 TU
Claim Comment:
As per TSB 2062466/4
All warranty claims submitted for payment must be in accordance with the Audi Warranty Policies and Procedures
Manual. Claims are subject to review or audit by Audi Warranty.
© 2024 Audi of America, Inc.
Internal
Page 12 of 13
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Audi of America, Inc., its affiliated companies, and its licensors. All rights are reserved to make changes at any time without notice. No part of this
document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may
these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.
Technical Service Bulletin
Otherwise:
This TSB is informational only and not applicable to any Audi Warranty.
Additional Information
The following Technical Service Bulletin may be helpful:
• TSB 2068435/1, 91 MIB3: Failure to establish a Bluetooth connection with iOS 16.0.x (iPhone).
All part and service references provided in this TSB (2062466) are subject to change and/or removal. Always
check with your Parts Department and/or ETKA for the latest information and parts bulletins. Please check the
Repair Manual for fasteners, bolts, nuts, and screws that require replacement during the repair.
©2024 Audi of America, Inc. All rights reserved. The information contained in this document is based on the
latest information available at the time of printing and is subject to the copyright and other intellectual property
rights of Audi of America, Inc., its affiliated companies, and its licensors. All rights are reserved to make changes
at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or
transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may
these materials be modified or reposted to other sites without the prior expressed written permission of the
publisher.
© 2024 Audi of America, Inc.
Internal
Page 13 of 13
All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other
intellectual property rights of Audi of America, Inc., its affiliated companies, and its licensors. All rights are reserved to make changes at any time without notice. No part of this
document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may
these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.