Question about 2001 Cadillac DeVille

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I have a 2001 Cadillac deville and was wondering if i have another car just like it, is it possible i change out the bcm and our other modules needed.

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  • Cadillac Master
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The body control system consists of the following 3 modules:
• The Dash Integration Module (DIM)
• The Instrument Panel Module (IPM)
• The Rear Integration Module (RIM)
Each of the 3 body control modules integrate a number of functional systems under the control of a single module. Each module is connected to the Class 2 serial data circuit, many of the control functions are implemented by Class 2 messages.

Plus they would need to be programmed . Dealer only .

Posted on Dec 05, 2016

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Posted on Jan 02, 2017

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SOURCE: how to change oil on a 2001 cadillac deville

oil plug is straight back from the center of the car...go to auto parts store and get a filter and 8 quarts of 5w30, the car will take all of the oil. Use a 9/16 socket to avoid rounding the plug...remember you have to jack from either side of the plug...you cannot jack straight on other wise the plug is hard to get to...the best spot to jack is driver's side right by where the suspension meets the frame there is a nice flat straight piece of frame to lift from

Posted on Jul 06, 2009

  • 22 Answers

SOURCE: 2001 Cadillac Deville TCC PWM Solenoid Circuit (p1860)

it should take approximately 4 - 5 hours plus the cost of sensor

Posted on Aug 25, 2009

  • 97 Answers

SOURCE: 2001 cadillac deville, overheats without loss of coolant

First, provided their are no visible coolant leaks and/or loss of coolant with no signs of leaks, I would thoroughly flush cooling system and replace coolant, then check and/or replace thermostat (you can place thermostat in boiling water to check for proper function), if you have tried these 2 steps and still are experiencing overheating you may need to replace your water pump which can be a tricky job if you're unfamiliar and try to do it yourself, however, I could walk you through it if necessary. Also visually check your radiator hoses for bulges, wear ,etc along with heater hoses etc. You may want to also check radiator fins to see if they are dirty/obstructed and clean if necessary. Let me know if I can assist you further and how it works out

Posted on Aug 30, 2009

GMJunkie
  • 74 Answers

SOURCE: Body Control Module

Below the instrument panel on the left side henge pillar,or up high behind the Instrument panel depending the model and options!

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Posted on Mar 09, 2010

Kravcar
  • 192 Answers

SOURCE: need to locate where my 2001 cadillac deville

The thermostat in the northstar engine is located at the bottom radiator hose (unlike most conventional cooling systems), the hose connects into the housing where you will also find the water pump.

You will need to remove the air filter housing and air duct to gain easy access to the thermostat.

Remove the hose from the housing,then remove the two bolts on the flange,the thermostat can then be pulled out.

Take note of the orientation of the thermostat as you remove it.

The thermostat in the Northstar engine is a duel action device.
One end of the stem is the Thermostat(obviously) and at the other end is a spring loaded pressure valve(the thinner end).
Make sure the thermostat end is nearest the rubber hose and the pressure valve end is in towards the engine.

Don't forget the new gasket when you install your new stat, you may have to order this separately.


Overheating........

The most common overheating problem with the Northstar engine is a blocked purge line(small hose).The purge line is designed to purge air out of the cooling system.
There is a small diameter hose coming from near the top of the coolant tank (not the cap) ,this is the purge line.
With the engine idling,pull the purge line from the tank,if there is no coolant flow from this small hose,it is blocked and this will cause overheating.
If the hose is clear, check for blockage at the nipple on the tank.Or trace the hose back until you find the blockage.
The hose goes in to the engine to a crossover and comes out the other side close to the thermostat housing,the blockage may be there.

Also note that the cooling fans don't come on until the coolant temperature hits around 225 degrees.
During normal highway driving the fans will very rarely come on(if at all) due to constant air flow through the radiator.They will only usually come on in heavy traffic conditions on a hot day.
But......if you have the Air Con switched on, the fans will run all of the time.


Posted on May 22, 2010

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1 Answer

Where Is the serial data class 2 module located, in my 2001 Cadillac deville?


A class 2 serial data bus is a communication network between control modules on the vehicle ! It is not a single module . The PCM/ECM - engine computer , ABS - air bags , BCM or in the case of your Caddy three computers make up the BCM , DIM ,RIM and the IPM . Your best bet would be to take your vehicle to a qualified repair shop .

Dec 06, 2016 | 2001 Cadillac DeVille

1 Answer

2001 deville bcm removal


Which one ? do you know ?
The body control system consists of the following 3 modules:
• The Dash Integration Module (DIM)
• The Instrument Panel Module (IPM)
• The Rear Integration Module (RIM)
Each of the 3 body control modules integrate a number of functional systems under the control of a single module. Each module is connected to the Class 2 serial data circuit, many of the control functions are implemented by Class 2 messages.
An after you replace or change one of these modules it has to be programmed .
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 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 .
So , what problem are you having ?

Nov 05, 2016 | 2001 Cadillac DeVille

2 Answers

I recently bought a 2002 Cadillac deville the steering column has been changed and the car will not start


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Dec 29, 2015 | Cadillac Cars & Trucks

1 Answer

Where is the BCM on a2001 DeVille?


The Rear Integration Body Control Module is located in the trunk and is on a panel against the rear seat back.

Aug 17, 2015 | 2001 Cadillac DeVille

1 Answer

I have a 2001 DHS Deville Cadillac I lost power for interior lights cigarette lighter power locks and trunk I've tested all fuses and all good how can I get this fixed?


It really sounds like it is your cigarette lighter fuse, but could possible be a problem with the BCM. If you double check the cigarette lighter fuse and find it to be good, getting power in and putting power out. You might end up at the dealership for a BCM module diagnostic.

May 25, 2015 | 2001 Cadillac DeVille

1 Answer

2000 cadillac Deville Radio comes on at engine start and when in accessory but only for a brief period of time 10-15 seconds. A slight tone can be heard through the speaker. Any ideas?


It is possible that the radio is going into "a shutdown" mode, possible heat sink issue. This radio is also integrated into the BCM module, a tech II can more than likely diagnose the problem.

Sep 30, 2010 | 2000 Cadillac DeVille

1 Answer

My 1986 cadillac deville cranks over but wont start what could it be?


It should be either no Spark or no Fuel.
Possible causes: Out of gas, no oil pressure, faulty oil pressure switch, Bad fuel-pump, fuel-pump relay, needs tune-up, defective ignition control module, wrong air/fuel ratio, defective IAC valve or EGR valve.
Other causes: Wrong timing, bad compression, or clogged CAT.

May 14, 2010 | 2001 Cadillac DeVille

2 Answers

Digital cluster not working


I had same problem with my 89 cad. deville , I changed the BCM and since then no problems and everything works great now for over a year

Dec 17, 2008 | 1989 Cadillac Sedan DeVille

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