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Clock Shows Dashes And Cannot Be Set After Battery Disconnect (PIT5652E)

Publication date: 2019-11-15
Reference number: PIT5652E
Supersedes refnos: 19-NA-262, PIT5652, PIT5652A, PIT5652B, PIT5652C, PIT5652D

CLOCK SHOWS DASHES AND CANNOT BE SET AFTER BATTERY DISCONNECT

CLOCK SHOWS DASHES AND CANNOT BE SET AFTER BATTERY DISCONNECT

TECHNICAL SERVICE BULLETIN

Reference Number(s): 19-NA-262, Date of Issue:  Nov 15, 2019
Supercedes: This bulletin replaces PIT5652E. Please discard PIT5652E.

SERVICE INFORMATION

Brand: Model: Model Year: VIN: Engine: Transmission:
from to from to
Cadillac DTS 2006 2011   All All
STS 2005 2011
Chevrolet Avalanche 2007 2011
Corvette 2005 2010
Silverado 2007 2011
Suburban
Tahoe
GMC Sierra 2007 2011
Yukon
Yukon XL
HUMMER H2 2008 2009
Pontiac Grand Prix 2004 2009
Saab 9-5 2005 2009
Involved Region or Country  North America
Additional Options (RPOs)  Equipped with Infotainment system RPO U3R, U3U, US4, UUK, UUL, UVB, UYS or YQ4
Condition  Some customers may comment that after the vehicle battery was disconnected or replaced, the clock no longer displays on the radio or displays dashes. The technician may also find that the clock cannot be set through the radio menu.
Cause  The cause of the condition may be an internal software issue in which the GPS system week counter rolled over to zero, creating the issue.
Correction  Refer to the latest version of PIT3830 before continuing with the Service Procedure. If the concern remains after reviewing PIT3830, then proceed to the proper program and RPO below and follow the steps.
NOTE:

There is no manual clock set fix or software update correction for the following programs: 2005-2007 Cadillac STS with RPO YQ4, 2008-2009 HUMMER H2 with RPO UVB or UUK, 2004-2009 Pontiac Grand Prix with RPO US4, 2005-2009 Saab 9-5 with RPO U3U. Please apologize to the customer for this inconvenience and inform them that the clock will return on its own on August 16, 2020.

SERVICE PROCEDURE

Truck, SUV, or Cadillac DTS Radios with RPOs U3R, U3U, UUK, UUL or UVB

  1. Turn the vehicle and radio on.
  2. If the "CAUTION" screen is displayed, press "OK."
    GM5440780Courtesy of GENERAL MOTORS COMPANY
  3. Press the hard "Menu" button on the right side of the radio.
    GM5440779Courtesy of GENERAL MOTORS COMPANY
  4. At the top of the display, press the "Display" soft key.
    GM5440777Courtesy of GENERAL MOTORS COMPANY
  5. In the lower left of the next screen, press and hold in the lower left of the screen for 5 - 10 seconds (there will not be a button shown, the button is hidden).
    GM5440774Courtesy of GENERAL MOTORS COMPANY
  6. When the screen to Enter PIN Code appears, enter "660" (Other codes that may work if the next page icon is missing are 295660, 3657, 9448, 1791, 1765, 1756, 3366, 296645).
    GM5440762Courtesy of GENERAL MOTORS COMPANY
  7. Select "Next Page" from the "Screen Diagnostic" page.
    GM5440775Courtesy of GENERAL MOTORS COMPANY
  8. Select "Set Time."
    GM5440781Courtesy of GENERAL MOTORS COMPANY
  9. Enter the current date and time, then select "Set" from the lower right of display.
    GM5440764Courtesy of GENERAL MOTORS COMPANY
  10. Press "Back" to return to the previous screen.
    GM5440776Courtesy of GENERAL MOTORS COMPANY
  11. To completely exit the diagnostic menu mode, turn the ignition off and allow the vehicle to go to sleep to exit Retained Accessory Power mode for up to five minutes. After five minutes have passed, turn the vehicle on and the correct clock should display.

Corvette Radio with RPO U3U

  1. IMPORTANT:

    A personal computer with a CD/DVD burner is required.


    For a navigation radio in a Corvette with RPO U3U, go to the website https://drive.google.com/open?id=1-EnnVopScrWNUJqySBDVkSDpnGgL6nU1  .
  2. Click on Download.
    GM5607478Courtesy of GENERAL MOTORS COMPANY
  3. A  . If using Internet Explorer, select Save As and Save the file to the Downloads folder.

    B  . If using Google Chrome, after download is complete, go to downloaded file in the lower left corner, click the up arrow and select "Show in folder."

  4. Find the newly saved file "245_135A.iso" and right click on it.
  5. Select "Burn disc image."
    GM5607483Courtesy of GENERAL MOTORS COMPANY
  6. Select the Disc burner and the select Burn.
    GM5607480Courtesy of GENERAL MOTORS COMPANY
  7. After 5 minutes, the disc will be completed.
  8. Make sure the vehicle is outside and the engine is running.
  9. On the radio display, press the Open/Close Faceplate Key (A).
  10. Eject the map disc by pressing DVD Map Database Eject Key (B). Insert the Software Update Disc in the DVD Map Database Slot (C).
    GM5440759Courtesy of GENERAL MOTORS COMPANY
  11. The update will start automatically. You will see a progress bar on the screen. The update takes about 2 minutes. The vehicle logo will be seen once the update is completed.
    NOTE:

    If the update does not start, verify the radio part number in the vehicle is the correct part number for the model year, make, and model involved.

  12. Eject the update disc and insert the map disc into the DVD Map Database Slot (C).
  13. The software update procedure is completed.

2008 Cadillac STS Radio with RPO YQ4

  1. IMPORTANT:

    A personal computer with a CD/DVD burner is required.


    For a 2008 Cadillac, go to the website https://drive.google.com/open?id=1v_PwuhFqVH6FLZQzLwyPh4GPXyHsJ2Gd  .
  2. Click on Download.
    GM5607478Courtesy of GENERAL MOTORS COMPANY
  3. A  . If using Internet Explorer, select Save As and Save the file to the Downloads folder.

    B  . If using Google Chrome, after download is complete, go to downloaded file in the lower left corner, click the up arrow and select "Show in folder."

  4. Find the newly saved file "295_10CA_08.iso" and right click on it.
    GM5607489Courtesy of GENERAL MOTORS COMPANY
  5. After right clicking on the file name, select "Burn disc image."
  6. Select the Disc burner and then select Burn.
    GM5607490Courtesy of GENERAL MOTORS COMPANY
  7. After 5 minutes, the disc will be completed.
  8. Make sure the vehicle is outside and the engine is running.
  9. Eject the map disc by pressing DVD Map Database Eject Key (A). Insert the Software Update Disc in the DVD Map Database Slot (B).
    GM5440769Courtesy of GENERAL MOTORS COMPANY
  10. The update will start automatically. You will see a progress bar on the screen. The update takes about 5 minutes. The vehicle logo will be seen once the update is completed.
    NOTE:

    If the update does not start, verify the radio part number in the vehicle is the correct part number for the model year, make, and model involved.

  11. Eject the update disc and insert the map disc into the DVD Map Database Slot (B).
  12. The software update procedure is completed.

2009-2011 Cadillac STS Radio with RPO YQ4

  1. IMPORTANT:

    A personal computer with a CD/DVD burner is required.


    Go to the website https://drive.google.com/open?id=1kL9uhIUctlaxJqbH4WVuSem2KE-wI-5_  .
  2. Click on Download.
    GM5607478Courtesy of GENERAL MOTORS COMPANY
  3. A  . If using Internet Explorer, select Save As and Save the file to the Downloads folder.

    B  . If using Google Chrome, after download is complete, go to downloaded file in the lower left corner, click the up arrow and select "Show in folder."

  4. Find the newly saved file "295_vAA_09_11.iso" and right click on it.
    GM5607486Courtesy of GENERAL MOTORS COMPANY
  5. After right clicking on the file name, select "Burn disc image."
    GM5607488Courtesy of GENERAL MOTORS COMPANY
  6. Select the Disc burner and then select Burn.
  7. After 5 minutes, the disc will be completed.
  8. Make sure the vehicle is outside and the engine is running.
  9. Eject the map disc by pressing DVD Map Database Eject Key (A). Insert the Software Update Disc in the DVD Map Database Slot (B).
    GM5440769Courtesy of GENERAL MOTORS COMPANY
  10. The update will start automatically. You will see a progress bar on the screen. The update takes about 5 minutes. The vehicle logo will be seen once the update is completed.
    NOTE:

    If the update does not start, verify the radio part number in the vehicle is the correct part number for the model year, make, and model involved.

  11. Eject the update disc and insert the map disc into the DVD Map Database Slot (B).
  12. The software update procedure is completed.

SERVICE INFORMATION

Version  3
Modified  Released November 15, 2019
November 22, 2019 - Added a Supersede statement, updated the Model Years for STS, added the GMC Yukon XL, HUMMER H2, Pontiac Grand Prix, Saab 9-5 Models, updated the Involved Region or Country section and added a Note to the Correction section.
May 18, 2020 - Updated the procedure under Corvette Radio with RPO U3U and added/updated procedures for Cadillac STS Radio with RPO YQ4.
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