Question about 1994 Cadillac DeVille

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Diagnostic codes on '94 caddy deville

What does PCM? (yes, the question mark was there!) mean?

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  • Anonymous Jul 30, 2008

    what does the pcm? mean?

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Powertrain control module, controls engine and trans, by getting signals from info.sensors,

Posted on Aug 01, 2008

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Need to know what the degree the timing should be for a4.9 Cadillac Engine ?


The 1991 Cadillac DeVille 4.9 engine incorporates a magnetic timing probe hole for use with special electronictiming equipment. Malfunction codes may be set during ignition timing adjustment procedure.Enter diagnostics and clear trouble codes if this occurs.#1 Place transmission in park .#2 With the ignition in the Off position attach a timing light to #1 spark plug cable .#3 With engine at normal operating temperature and air conditioning OFF,take off the air cleaner upper housing. The engine should be OFF at this point.#4 Jump pins A and B at the ( ALDL) connector.while not in diagnostic display.SET TIMING MODE message will apear on the climate control Driver Information center.#5 Start the engine and aim the timing light the timing mark loosen the distributor hold-down nut. While observing the timing mark, rotate distributor untill the line indicates the correct timing .This sets the base timing at 10 degrees BTDC at any speed under 800 RPM in the (PCM) The PCM controles the timing throughout the intire engine RPM range.This is the best imformation I can offer you good luck.

Dec 05, 2010 | 1991 Cadillac DeVille

2 Answers

I have a 93 caddy deville and cannot find a site to tell me what the codes mean


this site has alot of info:

http://myweb.accessus.net/~090/dtcobd1.html

Hope this is what you need!!!

ABS (Antilock Brake System)
AMP (Amplifier)
DDM (Door Driver Module)
DIM (Dash Integration Module)
IPC (Instrument Panel Cluster)
IPM (Instrument Panel Module)
IRC (Integrated Radio Module)
PCM (Powertrain Control Module)
RFA (Remote Function Actuation)
RIM (Rear Integration Module)
SDM (Sensing and Diagnostic Module) Includes airbag crash data. Under RF seat
VTD (Vehicle Theft Deterrent)
MSM (Memory Seat Module)
TTM (Tilt/Telescoping Module)
RSS (Road Sensing Suspension)
____________________________________________________________

How To Pull Codes To check for Diagnostic Trouble Codes stored in the computer, turn the ignition on, then hold down the OFF and WARMER (for digital dash) or OFF and passenger-WARMER buttons (for analog dash) or OFF and "Info ^" buttons (if you have temperature dials) until all of the dash lights come on. The digital display will then show any codes stored. Be prepared to write them down. When it's done, you will probably see "PCM?" At that point, press the OFF button 3 or 4 times until the dash goes back to normal, or just turn off the ignition.

Oct 09, 2009 | 1993 Cadillac DeVille

1 Answer

Deville 94 door lock issues


Sounds like the lock solenoid is bad inside the door.

May 15, 2009 | 1994 Cadillac DeVille

1 Answer

Get diagnostic code of P0410 I have a 2003 Caddy DeVille with a code 410. This car wa s to have been rebuilt by GM about 20k miles.ago. 1 what do I do to correct this item? 2. any chance of going back to...


sounds like its related to the CAM SENSOR. Either the actual part or between there and the PCM. When you say the car was rebuilt, What was rebuilt ,the WHOLE CAR ? What type of warranty is there ?

Apr 12, 2009 | 2003 Cadillac Deville

1 Answer

TRACTION LIGHT COMES WHY.2001 CADDY DEVILLE.NOT ALL THE TIME.BUT WHEN RIDING FOR A WHILE IT WII COME ON GOT SCAN.SAID NO ISSUES.


hi,

a diagnostic scan does not always pickup the problem in many cases. i have veiwed these problems in the past on a relatives caddy. it was usually the sensor that is at fault it may give the correct voltage to the computer thus no code or scan issues. best to take it to a dealer mechanic and have it analyzed and replaced. hope this helps. good luck...

Mar 29, 2009 | 2001 Cadillac DeVille

1 Answer

Have trouble codes in my car


call your local caddy dealer and tell them what the codes are in the service department... they will probably tell you what you need to do or at least clarify what they mean good luck ray

Jan 17, 2009 | 1995 Cadillac DeVille

1 Answer

95 cadillac deville heating and cooling problem


air pocket in the cooling system the leaking could be the overflow

Jan 11, 2009 | 1995 Cadillac DeVille

1 Answer

How Do I remove the door panels in my 94 cadillac deville concours?


u have to remove the panel that has the door handle in it, remove the panel which has the window and the seat adjusters, unplug the wires and just lift the door panel and there u are.

Oct 02, 2008 | 1994 Cadillac DeVille

1 Answer

94 4.6 deville coolant hot,eng hot ,limp mode


pull codes from on board diagnostics turn key on not running press and hold hot button on temp and off at same time till dash lights up write down codes respond with all computer codes i will help you determine prodlem and try to fix

Aug 21, 2008 | 1995 Cadillac DeVille

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