Question about Cadillac CTS
The cadillac dealer will have to help you. They don't give out that kind of information for obvious reasons.
Posted on Mar 17, 2011
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Posted on Jan 02, 2017
Tips for a great answer:
A module which communicates on the class 2 serial data circuit which supplies VIN information to the radio is replaced and not properly setup with the correct VIN information for that vehicle.
The only way to unlock the radio is by using a scan tool. Always refer to the table in this section to diagnose the "Theftlock" DTC for further information.
So what problem are you having ?
May 01, 2016 | 2004 Pontiac Grand Am
The CTD system requests the IPC to illuminate the indicator only when the ignition switch is OFF. The CTD system uses the indicator in order to identify system status. For specific CTD condition that will illuminate the security indicator, refer to Content Theft Deterrent (CTD) Description and Operation .
The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 3 seconds.
SERVICE THEFT SYSTEM The radio illuminates the SERVICE THEFT SYSTEM message when the VTD system detects a failure. The radio receives a message from the theft deterrent control module via the serial data circuit requesting illumination.
This is one you need to take to the dealer , unless you have a GM factory scan tool !
Nov 21, 2015 | 2004 Cadillac CTS
Feb 20, 2015 | Cadillac Cars & Trucks
Theft Deterrent Fuel Disable Signal Received
Perform the Powertrain Onboard Diagnostic System CheckPassword Learn Procedure - Attempt to start the vehicle (leave the ignition "on"). The Theft System telltale will flash for 4 seconds and then remain "on" for 10 minutes. Theft System Learn Mode will display Disabled on the Scan ToolTurn the ignition "off" after the Theft System telltale goes "out".Repeat steps 1 and 2 two more times. After the Theft System telltale turns "off" on the 3rd key cycle, and Theft System Learn Mode will display Enabled on the Scan Tool, attempt to start the engine. Once the engine starts the password is learned.
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