Countries: Document ID: !K0800593

+ Availability: FleetISIS, IsSIR Revision: 0
| WW Major System: ELECTRICAL SYSTEM Created: 4/14/2021
Current Language: English Last Modified: 4/22/2021

Knowledge Base Other Languages: NONE Author: Charles Schroeder
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Title: Radio Clock Changes Time Automatically
Applies To: Vehicles built after March 2020 - Excluding CV

CHANGE LOG

Please refer to the change log text box below for recent changes to this article:

(04/22/2021 - Initial Article Release.

DESCRIPTION

The radio found in all models may change the displayed time when the radio station is changed. This may result in the clock changing time zones or
displaying an inaccurate time. The radio receives the time as part of the Radio Data System (RDS) information received from the radio station that
you are tuned to. The radio software can be updated to remove time information so the clock will only use the manually set time and ignore the time
information from RDS.

The software update only applies to the part numbers listed.
Radio part number can be located on the tag on the top of the radio, or in parts catalog for the VIN you are working on

4154492C1
4154490C1
4154488C1
4154494C91
4154497C91

sey

DISPLAY

RADIO

SYMPTOMS

Diagnostic Trouble Codes & Dashboard Indicator Lights:

DTC/Light Description

No Faults or Warning Lights

Customer Observations or Concerns:

e Radio clock may be inaccurate
e Radio clock may change time after changing radio stations

SPECIAL TOOLS / SOFTWARE

Tool Description Tool Number Comments Instructions

USB Flash Drive Obtain Locally

SERVICE PARTS INFORMATION

Kit Description Part Number Quantity Required Notes

Not Applicable

DIAGNOSTIC STEPS
Step | Action Decision
Yes: Update the radio software following the
DIAGNOSTIC: Repair Steps.
ia Is there a driver complaint of the clock
changing time or displaying inaccurate time? No: Repair complete, no action required.

REPAIR STEP(S)

You will need to download the radio software and place the files onto a USB flash drive. Then insert the flash drive to the radio and update the radio
software.

Download radio software to your computer:

1. Radio software ZIP file (Click Here)

2. Open the .zip folder shown at the bottom of the screen (Figure 1, Item 1)

Figure 1 - Open the downloaded .zip folder

REPAIR STEP(S)

ou will need to download the radio software and place the files onto a USB flash drive. Then insert the flash drive to the
radio and update the radio software.

Download radio software to your computer:

1. Radio software ZIP file (Click Here)
2. Extract the folder to your computer desktop

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1. Open the downloaded .zip folder found at the bottom of the screen

3. Extract the folder to your computer desktop (Figure 2, Items 1 - 4)

Figure 2 - Extract the folder from the .zip file

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1. Click the extract button

3. Choose Desktop and click OK