GLASS 1204828 - Caterpillar

Download the MSS Uninstall Special Software from SIS Web.
for 312E, 314E, 316E, 318E, 320E, 323E, 324E, 329E, 336E, and 349E use 464-2012 Software Gp
for 336EH use 465-1853 Software Gp Flash the Uninstall Special Software
Flash the MSS uninstall special software by using Winflash.
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If an application mismatch warning was displayed, click Yes and go forward.Uninstall MSS from the Engine ECM
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Connect ET and select Machine Security System Uninstall from the service menu in the machine ECM
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Push the uninstall button.
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Required FPS password. Click OK button after entering the password.
Obtain the password from FPS page which can be accessed from the bottom link.Note: CWS ID is required to access the page.
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Note: MSS uninstall procedure looks completed but is not.
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Select the Machine Security System Uninstall menu and confirm the status. If the status is still showing Installed, click the uninstall button again.
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MSS uninstall has been completed from the engine ECM side.Uninstall MSS from the Machine ECM
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Uninstall the MSS from the machine ECM side. Enter the machine configuration display from the menu or icon.
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Select Not installed.
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Required FPS password.Note: Obtain a password by the same procedure in Step 3. A message might appear, but special information or privileges should not be needed to obtain the password.
After you enter the password, click OK button to uninstall the MSS from the machine ECM side.
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Shutdown Machine
Turn the key to the OFF position and wait 2 minutes to record the parameter changes.Reflash Original Machine Software
Turn the key to the ON position and reflash the original machine software.