Question about 1997 Cadillac DeVille

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Im getting error codes p1350 n p1370 on a cadillac deville 99. stalls out during while idle and even driving.

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Remove your entire coil pack and ICM, disassemble it, and clean every contact and connector 

Something's fishy with the ICM trigger signals, and you may just luck out with a good electrical cleanup.

or maybe even replace it

Posted on Apr 30, 2010

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Have a 99 cadillac deville that will shift fine when you first take off but after you stop will not shift pass second gear. If you stop completely and put it in park it will shift through all the gears...


The powertrain control module (PCM) doesn't like the information it is getting from the ignition control module (ICM), and the PCM controls shifting, traction control, etc.If these are the only codes you are getting and the car moves, then you could assume the sensors connected to the ICM are working properly. That leaves why the PCM thinks there is a problem. I would certainly replace the ICM first, and then if the problem still exists, the PCM.

Feb 26, 2015 | 1999 Cadillac DeVille

2 Answers

2004 cadillac deville engine idle races and stalls


Is your check engine light on while your driving? If it is get a hold of a scran tool to find out what codes are showing.Or most auto parts supply stores have one end will check it for codes, Most of them don,t charge to check it out for you.

Oct 26, 2012 | 2004 Cadillac Deville

2 Answers

Its keeps saying service charging system and the


SOUND LIKE ALTERNATOR VOLTAGE REGULATOR FAULTY MAKE SURE DRIVE BELT NOT SLIPPING AND ALTERNATOR ELECTRICAL WIRES NOT LOOSE OR DAMAGED.

Jul 25, 2010 | 1997 Cadillac DeVille

1 Answer

Grandmother's 99 DeVille had cooling fixed but they couldn't reset computer and now she says it surges after idling and she drives with the brake on at low speeds...any ideas?


Hi

It sounds like an air fault, check the air mass sensor sometimes they just need a clean up. Its common faulire on msot cars it contorls the air to fuel mixture and is most often noticed at low revs or idle. If you need more in depth info please get back to me I would be happy to assist.

Regards

Dan
p.s she really should drive with the brake on as the car is trying to compensate, if the car was a manual it would stall. she may have burnt the air sensor out.

Jan 22, 2010 | 1999 Cadillac DeVille

1 Answer

Have a 99 cadillac sedan deville. lots of


you need to verify the dome lights are turning off before you walk away,something is draining the battery.check you car out after driving it and make sure radio and any other things all shut off.

Dec 28, 2009 | 1999 Cadillac DeVille

1 Answer

Dash codes on my 92 cadillac sedan deville are E12,E52,E53 verry speratic idle and stalls before you put it in gear.I tuned it up (cap ,rotor,fuel filter idle solenoid.ran great for 2 days now runs worse...


throttle position sensor replace it. also in rare cases the map sensor will be bad . go to a junk yard and get your replacements it wont cost near as mutch. compared to the retail stores

Oct 20, 2009 | 1992 Cadillac DeVille

1 Answer

P1370 and p1350 trouble codes


P1370 Ignition Control (IC) Module 4x Reference too many pulses

P1350 Ignition Control System

Ok, these codes are signaling a malfunction within the Ignition control module. it is sending way to many signals to the coil. i recommend testing the coil for damage and irregular resistance. i will explain how to do this below. i would replace the module as well. The control moduel is Located Under hood, center, rear engine area, above valve cover, mounted in base of ignition coil pack

Ignition Coil Test Procedures__

Ignition Coil Resistance

* with the key off and the battery lead to the ignition coil disconnected, use an Ohmmeter to measure the primary and secondary winding resistance of the ignition coil. when checking the resistance across the windings, pay particular attention to the meter reading. if the reading is out of specifications, even if it is only slightly out, the coil or coil assembly should be replaced.
* To check the primary windings, calibrate an ohmmeter on the X1 scale and connect the meter leads to the primary coil terminals to test the winding.

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* An infinite ohmmeter reading indicates an open winding. The winding is shorted if the meter reading is below the specified resistance. Most primary windings have a resistance of 0.5 to 2 ohms, but the exact manufacturer's specifications must be compared to the meter readings.
* To check the secondary winding, calibrate the meter on the X1,000 scale and connect it from the coil's secondary terminal to one of the primary terminals.


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# A meter reading below the specified resistance indicates a shorted secondary winding. An infinite meter reading proves that the winding is open.
# In some coils, the secondary winding is connected from the secondary terminal to the coil frame. When the secondary winding is tested in these coils, the ohmmeter must be connected from the secondary coil terminal to the coil frame or to the ground wire terminal extending from the coil frame. Many secondary windings have 8,000 to 20,000 ohms resistance, but the meter readings must be compared to the manufacturer's specifications. The ohmmeter tests do not indicate such defects as defective insulation around the coil windings, which causes high-voltage leaks.

May 17, 2009 | 1997 Cadillac DeVille

1 Answer

E49 code on cadillac deville 1990


Dante,

(Quote) I looked up code E49 and there is no such code.


The above quote is from my colleague named “txkjun”. With all due respect to him and his “Guru” status he is wrong. The code “E49” does exist, and it is an “AIR management system error".

At this time I would like to apologize for typing a word that didn’t belong in my response.

You see, when I said the code “E-49” “DOES NOT” exist I was responding to the answer that: “Txkjun” gave you.

I meant to say that the code “DOES” exist, but I simply typed in the word “NOT” by accident.

I'll get back to you with repair procedures in a few hours.

Thank You.
Peter.

Jan 01, 2009 | 1990 Cadillac Deville

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