Question about GMC Yukon Denali

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Content theft deterrent light comes on on my 2006 GMC Yukon and engine cuts off.

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Theft system needs recoding

Posted on Jul 24, 2009

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Imobilizer faulty.have a replacement fitted or get it bypassed.If you have a key fob change the battery and try.

Posted on Jul 24, 2009

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2003 Yukon xl horn problem


The vehicle horns are activated under the following conditions:
?€¢
The horn switch is depressed.


?€¢
The body control module (BCM) commands the horns on. The BCM commands the horns on under either of the following conditions:


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When the content theft deterrent system detects a vehicle intrusion. For further information, refer to Content Theft Deterrent (CTD) Description and Operation in Theft Deterrent.


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When the panic button is depressed on the remote control door lock transmitter. For further information, refer to Keyless Entry System Description and Operation in Keyless Entry.


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When the OnStar?® system is used to sound the horns, if equipped. For further information, refer to OnStar Description and Operation in Cellular Communications.


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When the keyless entry system is used to lock the vehicle, a horn chirp may sound to notify the driver that the vehicle has been locked. The notification feature may be enabled or disabled through personalization. For further information, refer to Keyless Entry System Description and Operation in Keyless Entry

Jun 22, 2016 | 2003 GMC Yukon XL 1500 SLT

1 Answer

2004 Chevy aveo starts then kind of putts followed by shutting off just had the converter and O2 sensor replaced. The radio and lights work great car just won't stay running once u let go of the key


Anti-theft system problem , possibility ! Do you have a security light blinking ? Security Indicator
The security indicator is located in the clock on the top of the instrument panel. The light emitting diode (LED) displays the immobilizer system status. The immobilizer contains the LED driver hardware for direct connection of the LED.
Vehicle Theft Deterrent (VTD) Operation
The immobilizer system design prevents vehicle theft by interrupting the engine operation. The immobilizer system prevents the vehicle from starting. The engine operating functions interrupt if the immobilizer system does not recognize the transponder identification code of the ignition key. The immobilizer system and the content theft deterrent system do not interact. The system includes the following components:
?€¢
The ignition key


?€¢
The column-mounted theft deterrent module with integrated antenna


?€¢
The transponder


?€¢
The engine control module (ECM

Mar 03, 2016 | Cars & Trucks

1 Answer

2000 yukon when head lights are on and the heater you turn hi beams and the heater turns to cold and blows in defrost mode and can't change the buttons u have to shut truck off to reset what's wrong


The first place to start with problems like this to try an reset the computers on the vehicle . Disconnect the battery cables an touch them together for five or ten min. Then if that doesn't work you need to have the vehicle checked out , which means having a factory or equivalent scan tool check for codes in the BCM !
The body control module (BCM) is capable of controlling multiple body functions. Components directly connected to the BCM are controlled by the BCM's outputs. The BCM controls the outputs based on input information that it obtains from the sensors and the switches that are directly connected to it. The BCM can also borrow information from other vehicle systems connected to the Class 2 serial data link. The BCM evaluates this information and controls certain body systems by commanding an output ON or OFF.
The BCM is also capable of commanding other vehicle systems to control functions that are not directly wired and/or controlled by the BCM. The BCM accomplishes this task by sending specific messages on the Class 2 serial data link. The vehicle system capable of performing such function will respond to the BCM message.
The BCM controls the following functions:
?€¢
Audible Warnings


?€¢
Indicator Warnings


?€¢
Interior Lighting


?€¢
Exterior Lighting.


?€¢
Power Door LOCK/UNLOCK


?€¢
Remote Keyless Entry


?€¢
Passlock Theft Deterrent


?€¢
Content Theft Deterrent

Jan 04, 2016 | 2000 GMC Yukon

1 Answer

I have a 2011 yukon denali i cut 2 new keys and the theft deterrent system came on wht cause it?


it is not te keys --it is the chip in the end of the key that communicates with the immobiliser so you will have to have the new key programmed to the vehicle.

Jan 11, 2015 | 2011 GMC Yukon

2 Answers

Ihave 1999 gmc yukon 5.7 vortex when starting crank up run then cut off what could be problem


This problem you are having sounds like a crankshaft sensor going bad. Do you have a check engine light on, in your dash? Have your computer scanned, and cars computer will tell you what the problem is. GOOD LUCK FRIEND.

Nov 30, 2014 | 1999 GMC Yukon

2 Answers

Where is the theft deterrent module located (VATS or anti-theft module) in GMC Acadia 2007?


the exact spot ,huh?

first off the FSM book and alldata.com has that, and vast more.

but you asked.

first off its many parts, why not post symptoms first then ask for Vats.

not the immoblizer but just theft

this is CDC system and is not VATS

the compenents are: as follows:

The content theft deterrent (CTD) system, when armed, is designed to deter vehicle content theft by pulsing the horns and exterior lamps for approximately 30 seconds when an unauthorized vehicle entry is detected. However, the CTD System does not affect engine starting.

An unauthorized entry can be any of the following with the CTD System armed:




  • When the liftgate or liftglass has been opened without the use of the keyless entry system or without first being unlocked.


  • When any door is opened without first being unlocked using the keyless entry transmitter.


  • When the driver door is opened without being first unlocked using the driver door cylinder.


The components of the system are:




  • The body control module


  • The door ajar switches


  • The driver door key cylinder switch


  • The liftgate/liftglass ajar switch


end quote.

more quotes under what to do first



Diagnostic Starting Point - Theft Deterrent
Diagnostic Starting Point - Theft Deterrent
Begin the system diagnosis with the Diagnostic System Check - Vehicle . The Diagnostic System Check will provide the following information:



  • The identification of the control modules which command the system


  • The ability of the control modules to communicate through the serial data circuit


  • The identification of any stored diagnostic trouble codes (DTCs) and their status


The use of the Diagnostic System Check will identify the correct procedure for diagnosing the system and where the procedure is located.



does this help, ????

May 10, 2014 | 2007 GMC Acadia

1 Answer

Yukon will not start with key


Anti theft not recognizing key, possibly worn out. Try spare key if you have one or have a new one cut and recheck.

Feb 27, 2014 | 2006 GMC Yukon Denali

2 Answers

ABS Light comes on, speedometer stops working and locks switch


I will bet the check engine light comes on as well?

Jul 05, 2017 | 2003 GMC Yukon XL

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