Question about 2005 Cadillac Deville

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2005 Cadillac Deville will not start. All controls power up, but the car will not crank. This has happened before a few times, but the car has always started in 5 to 10 minutes. The battery shows it is over 11 volts and says it is ok. We tried different keys just in case it was a anti theft security problem. Still does not start

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Posted on Jan 02, 2017

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SOURCE: 2000 Cadillac Deville DTS is in anti- theft mode

you can reset the system by turning key to on position for 5-10 mins and then try starting it but its probably a short or grounding prob try the engine to chassis ground

Posted on Oct 03, 2008

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SOURCE: 1997 cadillac deville anti theft

This might work for most:

Theft Module Re-learn Procedure without a T5O or T6O
During this procedure, the vehicle battery must maintain a minimum of 10.5 volts. If the battery is not fully charged or is weak, a battery charger may be connected.
NOTE The battery charger must NOT be set in 12 volt boost. This will prevent this procedure from working.
1. Cycle the ignition switch to the "Run" position.
2. Wait a minimum of 10 minutes, cycle the ignition switch to the "Off" position.
3. Cycle the ignition switch to the "Run" position.
4. Wait a minimum of 10 minutes, cycle the ignition switch to the "Off" position.
5. Cycle the ignition switch to the "Run" position.
6. Wait a minimum of 10 minutes, cycle the ignition switch to the "Off" position.
7. Verify the repair.

and if not try this:

If the Powertrain Control Module (PCM) does not receive the Fuel Enable message it will use the class 2 serial data line (CKT 1807) to tell the Instrument Panel Cluster (IPC) to display the "STARTING DISABLED/DUE TO THEFT SYSTEM/REMOVE IGNITION KEY" message on the Driver Information Center (DIC) . This will inform the driver of why the engine is not starting. When the ignition is turned "OFF", the IPC will start a timer and display messages to inform the driver to wait for the PASS-Key II timer to run out. The messages will read "WAIT 3 MINUTES", "WAIT 2 MINUTES" (after 1 minutes has passed), "WAIT 1 MINUTE", and "START CAR".
If the timer was not run out, the IPC will not send the Fuel Enable message. When the PCM does not receive the Fuel Enable message, it will command the IPC to re-start the message process.
This message is most likely caused by an improper key resistor value or the IPC did not properly sense the ignition key resistance.
good luck!

Posted on Oct 18, 2008

  • 124 Answers

SOURCE: 1999 Cadillac Deville- Won't start!

Check your fuel pump fuse these will blow when the pump is ran with the tank empty. If this does not work you probably burned up the pump. check to see if you can hear the pump run when you turn the key on. Please rate.

Posted on Dec 13, 2008

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SOURCE: Turn off security light on my 1992 cadillac deville

I had that same problem and it took me forever to figure out what was wrong. You are probably using an aftermarket key as was I. The stupid little plastic/metal chip in the shaft of the key is for the security system. Sometimes if you insert the key and turn too fast it sets off the security system. To solve the problem go get another key made from a different key maker, they cost around $15-20. Or, insert the key slowly and turn the ignition slowly. Or go get a good key from the dealer, I've heard it may be ~$50 for this key but it should work the best. FYI I still just use my aftermarket key and just deal with the occasional no start wait 3 min ordeal. Good luck.

Posted on Feb 10, 2009

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SOURCE: '97 Cadllac Deville Concours reading "Anti Theft System Problem"

make sure your key is clean try again, if not the system will tell you to wait 3 mins while key is in ignition this will reset the system and dash will tell you to start vehicle, you should be fine after that, common cause dirty key!!!!!!!!

Posted on Apr 20, 2009

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1 Answer

What is reason my 2005 Cadillac deville will not start-will not crank

Given the amount of electronics on your vehicle , control modules (computers ) serial data communication networks etc.... Me or anyone else on would only be guessing as to what the problem is . Starting with the basics to find a cause is always the best ! Checking for diagnostic trouble codes should always be the first step !
Reading how the systems work is always a good idea too . Especially for someone who has no idea how this vehicle works .

When you turn the key in the ignition low voltage inputs are sent to the module incharge the PMM - power mode master ! In you vehicles case it's the (DIM) dash integration module !
Table 1: 4-Wire Ignition Switch Table
Power to many of this vehicle's circuits are controlled by the module that is designated the Power Mode Master (PMM). This vehicle's PMM is the Dash Integration Module (DIM). The PMM controls which power mode (Run, Accessory, Crank, Retained Accessory Power, or Off) is active. In this vehicle the Rear Integration Module (RIM) assist the DIM in controlling the RAP power mode.

On vehicles that have several control modules connected by serial data circuits, one module is the power mode master (PMM). On this vehicle the PMM is the dash integration module (DIM). The PMM receives 4 signals from the ignition switch.
To determine the correct power mode the PMM uses the following circuits:
• Accessory voltage
• Ignition 1 voltage
• Ignition 3 voltage
• Off/Run/Crank voltage

Your best bet , take it to a qualified repair shop .

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When you say the starter has power, are you saying it has power on the large post and on the small post when the key switch is in the start position ? Can you jump the terminals and make it crank ?

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2005 Deville DTS Sometimes the car won't start unless I give it gas. Then when I let off it just dies. This will happen a few times, then it starts and idles normal. A few times it has stalled when i'm...

Before you replace the fuel pump you need to check the codes for the pcm.If you have any crank sensor codes.They will be p0385 and po335.The problem is the crank shaft position sensors.You need to replace them both.There is also a bulletin out for these and a few other codes and the fix is to have the powertrain control module(pcm) reprogrammed.This can only be done at the dealership.It only takes about a 1/2 hr.Next time it won`t start what you need to do is disconnect the battery for about 30 seconds and then reconnect it and then if it starts you need to get the pcm programmed.The bulletin number is 04-06-04-060.If the reprogramming takes care of the problem you don`t need to replace the crank sensors.There is also a bulletin for these sensors but the vehicle will usually die will driving or when you come to a stop.Which you also seem to be having a problem with.So you might have 2 different problems.Hope this helps.Good luck.

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Hi, have your trottle position sensor checked, also a good fuel ingection clean up wont hurt,good luck......

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