Subaru 2020MY Impreza User Manual

Bulletin Number: 15-221-18R; Revised 02/12/21 Page 1 of 45
Continued...
NUMBER: 15-221-18R
DATE: 04/11/18
REVISED: 02/12/21
APPLICABILITY: 2017-21MY Impreza
2018-21MY Crosstrek
2018-19MY Legacy and Outback
2019-21MY WRX and WRX STI
2019-21MY Ascent
2018-21MY BRZ
SUBJECT: Harman Audio / Infotainment: Harman Generation
3.0 and 3.1 Operating Tips
SERVICE BULLETIN
ATTENTION:
GENERAL MANAGER q
PARTS MANAGER q
CLAIMS PERSONNEL q
SERVICE MANAGER q
IMPORTANT - All
Service Personnel
Should Read and
Initial in the boxes
provided, right.
© 2018 Subaru of America, Inc. All rights reserved.
TABLE OF CONTENTS
Click on a title below to jump to the section.
Click the bulletin number/date located in the footer to return to page 1
SECTION TITLE PAGE
0.0 General 2
1.0 Rear View Camera (RVC)/ Back-up Camera 12
2.0 Clock 15
3.0 Head Unit or Display On/Off 17
4.0 Audio Output 19
5.0 Audio source: sXM/AM/FM 21
6.0 Application: Android Auto and CarPlay 24
7.0 Notifications 32
8.0 Bluetooth (BT)/Hands free phone Operation 32
9.0 Navi Operation 38
10.0 DTCs 40
11.0 Setup 41
12.0 Software Update 44
HOME

Subaru 2020MY Impreza Specifications

General

Brand	Subaru
Model	2020MY Impreza
Category	Automobile Accessories
Language	English

Summary

General Information and Troubleshooting

Head Unit Lockup Issues

Symptoms and causes of the head unit freezing or becoming unresponsive.

Blank or Black Display Problems

Issues related to the display being black or the backlight being off.

Partially Displayed HMI

Audio Output Concerns

Concerns regarding no audio, poor audio quality, or loss of audio control.

CarPlay Not Launching

Troubleshooting steps for CarPlay not launching after connecting an iPhone.

Backup Camera Display Issues

Issues with the backup camera display when the vehicle is in reverse.

Head Unit Reset Procedures

Explains different reset procedures for the head unit and their effects.

ACC Delay Impact on Shutdown

Restart vs. Factory Reset

Differentiates between restarting and factory resetting the head unit.

MySubaru App Communication Errors

Rear View Camera (RVC) and Backup Camera

No Backup Camera After Replacement or Disconnect

Addresses no backup camera function after HU replacement or battery disconnect.

Red Area in Backup Camera with RAB

Explains the red area in the backup camera display with RAB systems.

Park Assist Lines Not Moving

Issues with park assist lines on the backup camera not functioning correctly.

Audio Output Behavior and Troubleshooting

Android Auto and CarPlay Applications

CarPlay/Android Auto Usage Guide

Explanation of CarPlay/Android Auto and how to connect them.

Android Auto Launch Failures

Troubleshooting Android Auto launch failures after USB connection.

CarPlay Functionality After Engine Shutdown

Inconsistent CarPlay/Android Auto Launch

Addressing inconsistent launching of CarPlay/Android Auto due to connectivity.

Automatic CarPlay/Android Auto Launch

Android Auto Stops Working with iPhone Connected

CarPlay Operation Troubleshooting

Common CarPlay operation issues and troubleshooting steps.

No Audio During CarPlay Session

Restoring audio playback when it's interrupted during CarPlay use.

Android Auto Volume Adjustment

Bluetooth and Hands-Free Phone Operation

Messaging Feature Issues

New Pairing Not Possible (Device List)

New Pairing Not Possible (Bluetooth Toggle)

Phonebook Download Failures

Messaging Functionality Failure

Audio Interruption During Bluetooth Pairing

Voice Recognition Dialing Issues

Starlink Connectivity Problems

Navigation System Operation

Navigation Guidance Volume Changes

Inability to Use Multiple Navigation Apps

Map Display 'Whiteout' Issue

Diagnostic Trouble Codes (DTCs)

Code B2242 HVAC Communication Failure

Code B2253 Speaker Coil Current Damage

Software Update Procedures

Troubleshooting Failed Head Unit Updates

Troubleshooting failed head unit software updates due to incorrect procedure.