Question about 2006 Cadillac CTS
When i start the car it shows service theft system & TC lights indicates
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Posted on Jan 02, 2017
SOURCE: 1994 cadillace anti theft system
I just had this same problem with a '96 . do you have a vats key in your '94? you need to bypass the VATS system. read some of the blogs on this site and it will tell you how to do it. I fixed mine with a $2 resistor from radio shack.
Posted on Oct 12, 2008
It sounds like the computer chip in the key is bad. They get damaged really easy and that will cause the fuel pump to stop. If the "Theft" light is flashing continuously when you try to start it, that is the problem. You should be able to get a new key from the dealer or off ebay, and have it programmed. Should be under $100.
Posted on Jun 05, 2009
first try another fob, then another ignition key. If none of these work then you need to find the alarm controle module some where under the dash by the steering colume. once you have located the controle module trace the wires usally a red with block stripe back to where it is tee tapped to the wires of the ignition switch. unplugging the tee tapp should allow you to start the vehicle. but the alarm will be deactivated
Posted on Mar 21, 2010
The SECURITY light is located on the instrument panel cluster.
If the ignition is off and any door is open, the SECURITY light will flash, reminding you to arm the system. To arm the system, do the following:
1. Open the door.
2. Lock the door using the power door lock switch with the door open or the remote keyless entry transmitter. The SECURITY light should come on and stay on.
3. Close all the doors. The SECURITY light should go off within approximately 30 seconds. If a door or a trunk is opened without a key or a remote keyless entry transmitter, the horn will sound and the lamps will flash for about 30 seconds.
Also can check this and other details in the 2002 Cadillac Owners Manual (page 85 and next).
Hope helps (remember rated and comment this).
Posted on Jun 15, 2010
Tips for a great answer:
The column-mounted theft deterrent module with integrated antenna
The engine control module (ECM
Mar 03, 2016 | Cars & Trucks
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 !
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