A19-048 Service Bulletin/Repair Instructions

Service Bulletin
19-048
April 26, 2019
Version 1
™
Apple CarPlay Will Not Launch

AFFECTED VEHICLES

Year
Model
Trim
VIN Range
2019
Fit
Sport, EX, EX-L, and EX-L

With Navigation
3HGGK5H81KM700739 thru 3HGGK5H83KM719227

3HGGK5H02KM700100 thru 3HGGK5H04KM721871

3HGGK5H65KM700533 thru 3HGGK5H77KM722378
SYMPTOM

™
iPhones cannot connect to Apple CarPlay .

POSSIBLE CAUSE

™
The audio unit will not launch Apple CarPlay when an iPhone is connected to the USB port.

CORRECTIVE ACTION

Update the audio unit software.

WARRANTY CLAIM INFORMATION

The normal warranty applies.

Operation

Number
Description
Flat Rate

Time
Defect

Code
Symptom

Code
Template

ID
Failed Part Number
0100A1
Update the audio unit

software.
0.3 hr
03214
03217
A19048A
39171-T5A-L41
Skill Level: Repair Technician
CUSTOMER INFORMATION:The information in this bulletin 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 should not be attempted by “do-it-yourselfers,” and you should not assume

this bulletin applies to your vehicle, or that your vehicle has the condition described. To determine whether this information applies, contact an

authorized Honda automobile dealer.

©
2019 American Honda Motor Co., Inc. — All Rights Reserved
Page 1 of 8
REPAIR PROCEDURE

NOTES

•
Before updating the software, write down the customer's audio unit presets.
•
Connect a fully charged battery to the vehicle, and leave it connected during the entire procedure to maintain steady

voltage.
•
Apply the parking brake to keep the headlights turned off during the update.
1. From your computer's desktop, open Honda Firmware Downloader. Refer to job aid: Honda Firmware Downloader

for any additional information. Make sure the USB flash drive is empty and formatted to FAT 32.

2. Enter the VIN. This is important as the software can be different depending on the trim level. Enter the service

bulletin number, then select the download icon when the correct software is found.

NOTE

The software download may take up to 10-15 minutes depending on the size of the file and the quality of your

internet connection.
3. Once the download is complete, return to the vehicle.

4. Verify the software version.

4.1. From the home screen, press the Day/Night button, MENU icon, and VOL/Power/AUDIO knob in sequence

and hold them for about 5 seconds.
Page 2 of 8
4.2. Select Detail Information & Setting.
4.3. From the Detail Information & Setting screen, press and hold the MENU icon for 5 seconds until the display

transfers to the Developer Diag screen.

4.4. From the Developer Diag screen, select Detail Version Info. Then, confirm the current TEGRA Build

Version and SH Main Software Version. Refer to the tables below for current and new versions.
Software Details
Current Software Versions

Models with Navigation
Models without Navigation
TEGRA Build Version
81.019.00.B.1025
81.019.00.B.1021
Touch Version
T5AR04
T5AR04
Page 3 of 8
5. Once the software update is downloaded onto the USB flash drive, insert it into the USB port.
6. A screen will automatically appear with the prompt Would you like to update?. Make sure each software version of

Tegra/Touch in the New section are correct. Select Yes to update the software.
NOTE

If the screen does not appear, the software may not have correctly downloaded onto the USB flash drive. Try to

download the software again.

Software Details
New Software Versions

Models with Navigation
Models without Navigation
TEGRA Build Version
82.01C.00.B.1025
82.01C.00.B.1021
Touch Version
T5AR04
T5AR04
NOTE

In case the USB flash drive gets unplugged, a USB memory device unplugged message will appear. Select OK to

clear the screen, and connect the USB flash drive once again to continue the software update.

7. After selecting Yes, the unit will reboot and the version update will start. The screen below will display for about

30 minutes.
Page 4 of 8
8. Once the update is complete, the unit will reboot again. Remove the USB drive tool from the port.
9. After the update is complete, the following screen will appear. To bypass this screen, press and hold the Day/Night

button and Home icon.
10. Select OK.
11. Go to SOFTWARE UPDATE CONFIRMATION to confirm the software update.
Page 5 of 8
SOFTWARE UPDATE CONFIRMATION PROCEDURE

After the version update is complete, you must confirm that the software is up-to-date.

1. From the HOME screen, press the Day/Night button, MENU icon, and VOL/Power/AUDIO knob in sequence and

hold them for about 5 seconds.
2. Select Detail Information & Setting.
3. From the Detail Information & Setting screen, press and hold the MENU icon for 5 seconds until the display

changes to the Developer Diag screen.
Page 6 of 8
4. From the Developer Diag screen, select Detail Version Info and confirm the TEGRA Build Version and SH Main

Software Version.
Software Details
New Software Versions

Models with Navigation
Models without Navigation
TEGRA Build Version
82.01C.00.B.1025
82.01C.00.B.1021
Touch Version
T5AR04
T5AR04
Page 7 of 8
5. Insert the USB flash drive into the USB port to start the factory data reset (FDR) procedure.

6. A screen will automatically appear with the prompt Would you like to update?. Select FDR.

NOTE

The FDR takes about 3 minutes to complete.
7. After the FDR is complete, the following screen will appear. To bypass this screen, press and hold the Day/Night

button and Home icon.
8. Select OK, and park the vehicle outside in an open area to acquire the GPS signal.
9. Once the procedure is complete, input the customer's audio unit presets, and have the service advisor tell the

customer that any previously paired devices must be paired again. After informing the customer about the need for

pairing, make sure to document it on the repair order.

END
Page 8 of 8

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