Technical Tip

91-16-13TT - MIB2 - Apple CarPlay® Connection Diagnostics

Transaction No:

2045267/7

Release date:

06/12/2020

Condition
ATTENTION:
THIS IS A TECH TIP, NOT A TECHNICAL BULLETIN.
TECH TIPS ARE NOT ASSOCIATED WITH WARRANTY CLAIMING.

Applicable Vehicles
Model(s)

Year

Eng. Code

Trans. Code

VIN Range From

VIN Range To

All
(except Routan)

2015-2021

All

All

All

All

Revision Table
Instance Number

Published Date

Version Number

Reason For Update

2045267/7

6/12/20

91-16-13TT

To include additional model
and model year
applicability,

2045267/1

9/2/16

91-16-13TT

Original publication.

Technical Background
On vehicles with a single USB port, the Apple® authentication chip is in the USB port. On vehicles with 2 USB ports
(one front and one rear), the authentication chip is in the USB hub. CarPlay® will not work from a rear USB port.
For static connection issues with:


No faults



No cable issues



No debris in the phone’s cable port

Swapping the USB port or hub with a known good part should be the first step in diagnosis.

Service
If connection issue occurred after an iOS update, ensure that CarPlay is switched ON in the CarPlay settings of the
phone.
When encountering intermittent CarPlay connection issues, it’s important to test with the customer’s phone. Once an
issue with the USB cable, USB port and USB hub (if equipped) has been ruled out, there’s a good possibility the issue
lies with the customers phone or the phone’s iOS software.

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Technical Tip

91-16-13TT MIB2 - Apple CarPlay® Connection Diagnostics

Transaction No:

2045267/7

Release date:

06/12/2020

Before replacing any parts, follow these steps:
1. Restore “Factory Settings” in the radio.
2. Delete all vehicle profiles from the CarPlay app settings on the customer’s phone (this is found under the
General Settings menu on the phone).
3. Ensure the customer’s phone is at the latest iOS software level.
4. Restart the customer’s phone.
5. Lock the vehicle with the key. Move the key away from the vehicle so it is not picked up by any KESSY
antenna. Wait up to 2 hours to allow the bus to go sleep before testing connection again.
6. Inform the customer that when disconnecting the phone from the USB cable, the best practice is to select the
“Disconnect” icon from the main AppConnect screen.
iOS software can be inconsistent. Following these steps, especially restarting the phone, every once in a while will
ensure a more consistent connection.

Additional Information
© 2020 Volkswagen Group of America, Inc. 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 Volkswagen Group 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.

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