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TECHNICAL SERVICE BULLETIN 22-2226
Sirius Satellite Radio And Various SYNC4 Concerns 20 June 2022

This bulletin supersedes 21-2310.

Model:

Ford
2021 F-150

2021 Mustang Mach-E

Summary
This article supersedes TSB 21-2310 to update the Issue, Action, Service Procedure.

Issue: Some 2021 Mach-E/F-150 vehicles may experience at least one of the following symptoms: audio settings
resetting after a key cycle, Android Auto connection concerns, Sirius presets missing more than three pages after a
key cycle, touchscreen freezing/locking up, Pro-Power Onboard messaging confusion after a tripped circuit breaker
(F-150 only), WiFi keyboard defaulting to UK English, windows media audio (WMA) files not playing properly from a
universal serial bus (USB) device, intermittent blank touchscreen, Apple CarPlay connection concerns, Bluetooth®
connectivity concerns, Sirius XM loading concerns and/or unable to change Sirius XM channels. This may be due to
the software in the accessory protocol interface module (APIM). To correct the condition, follow the Service
Procedure to reprogram the APIM.

NOTE: The APIM software update that addresses the symptom listed in this article may have been sent via
Ford Power-Up software updates delivered over-the-air (OTA) to connected vehicles that have automatic
updates enabled through the SYNC 4 screen. Enter the vehicle identification number (VIN) in Professional
Technician System (PTS) and check the OTA Dashboard under the Connected Vehicle tab for OTA update
history. If an update to the APIM has been successfully completed recently and the customer is reporting the
symptoms are no longer present, this article may not apply.

Action: Follow the Service Procedure to correct the condition on vehicles that meet all of the following criteria:

* 2021 Mustang Mach-E/F-150
+ One or more of the following customer symptoms:

- Audio settings resetting after a key cycle

- Android Auto connection concerns

- Sirius presets missing more than three pages after a key cycle
- Touchscreen freezing/locking up

- Pro-Power Onboard messaging confusion after a tripped circuit breaker (F-150 only)
- Wi-Fi keyboard defaulting to UK English

- WMA files not playing properly from a USB device

- Intermittent blank touchscreen

- Apple CarPlay connection concerns

- Bluetooth® connectivity concerns

- Sirius XM loading concerns

- Unable to change Sirius XM channels

Warranty Status: Eligible under provisions of New Vehicle Limited Warranty (NVLW)/Service Part Warranty
(SPW)/Special Service Part (SSP)/Extended Service Plan (ESP) coverage. Limits/policies/prior approvals are not
altered by a TSB. NVLW/SPW/SSP/ESP coverage limits are determined by the identified causal part and verified
using the OASIS part coverage tool.

Labor Times

age Operation |_.
Description No. Time
2021 F-150/Mustang Mach-E: Reprogram The Appropriate Modules And Any Additional MT222226 | Actual
Repairs As Required By The Software Update And Service Procedure (Do Not Use With Any Time
Other Labor Operations)

Repair/Claim Coding
Causal Part: 14G670
Condition Code: | 04

Service Procedure

NOTE: Ask the customer to bring their spare key fob to assist in the Ford Diagnosis and Repair System
(FDRS) programming. The time required to complete this procedure will vary depending on several factors
including the number of module software updates required, available internet bandwidth, universal serial
bus (USB) flash drive variability, and the potential that controller area network (CAN) flashing (software
update via the data link connector [DLC] with FDRS) may be required. It is recommended to connect to the
internet with an ethernet cable and use a USB 3.0 capable flash drive when performing software updates.

NOTE: The following modules may each require more than one software update: gateway module (GWM),
telematic control unit (TCU), accessory protocol interface module (APIM), instrument panel cluster (IPC)
and/or image processing module A (IPMA).

1. Start an FDRS session and navigate to Toolbox tab > Datalogger > body control module (BCM) and select the
“BATT_SOC’ PID. Verify the PID reads 80% or higher. If state of charge (SOC) is less than 80%, charge the
battery then navigate back to Toolbox tab > BCM > Reset Battery Monitor Sensor Learned Values application.
Perform the battery monitor sensor (BMS) reset.

(1). If the battery is unable to achieve an 80% SOC then a new battery may be required. Use the Rotunda GR-
190, GRX-3590 or DCA-800 tester to verify if replacement is required. If the battery is replaced, fully recharge the
new battery. Then disconnect the Rotunda charger and perform a BMS reset using the FDRS scan tool.

2. Reconnect the battery charger and set it to maintain a vehicle voltage of 12.6 - 13.6 volts. A low battery state of
charge while performing a software update to any module may result in a repeat Restart Required message in the
vehicle center screen or a message on the FDRS saying Part Number Validation Failed or DID Validation Failed.

3. Close all the doors on the vehicle. If a door must be left open during the service procedure, the door latch should
be mechanically latched to simulate a closed door.

4. Are there any updates available for the GWM, TCU, APIM, IPC and/or IPMA modules?
(1). Yes - proceed to Step 5.
(2). No - this article does not apply. Refer to Workshop Manual (WSM), Section 415-00.

NOTE: IPC software updates are only required on F-150 vehicles equipped with the High-Level IPC, 12-Inch
Display and all Mustang Mach-E vehicles.

5. Perform the Module Software Updating Procedures outlined below for the following modules: GWM, TCU, APIM,
IPC and IPMA. Perform a network test after each software update using the latest software level of the FDRS scan
tool. This will refresh the list of modules that have available software updates based current module software
levels. Continue performing software updates to the GWM, TCU, APIM, IPC and IPMA until all available software
updates for those modules are complete. If any error conditions are experienced during programming, refer to
WSM Section 418-01A > General Procedures > Module Programming for the Error Condition Table.

6. If the in-vehicle SYNC screen does not indicate that the USB flash drive has started to download, this may require
recovery of the APIM module. Refer to related Technical Service Bulletins (TSB) or Special Service Messages
(SSM) for APIM recovery using the FDRS service tool.

Module Software Updating Procedure
The following instructions apply when performing a software update on any of the following modules:
*GWM
*TCU
+> APIM
*IPC

NOTE: A blank 64GB or larger USB flash drive is required, and a USB 3.0 USB flash drive is recommended
for fastest software installation. Make sure the USB flash drive being used is formatted as exFAT file system.
To confirm the USB flash drive is formatted as exFAT, hold down the Windows icon keyboard key and press
the E keyboard key. Right click on the USB flash drive, then select Properties. If File System under the