Question about 1991 Cadillac DeVille

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Need to know what these codes mean E98 E91 .EE ..E E52 1991cadillac deville

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E52 is ecm memory reset
e91 park neutral safety switch
e98 transaxle shift fault

Posted on Aug 09, 2010

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What's the meaning of E91,and F47 error codes on


Use Google to get the answer


GM/Cadillac OBD1 Codes E91 & F47

Aug 22, 2013 | Cars & Trucks

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How to fix code e98 1991 deville


Probably two different issues.

The code is saying the computer sees the engine RPM is too high when shifting between park neutral and drive.
The rough idle would be something else.

Jul 01, 2012 | 1991 Cadillac DeVille

1 Answer

What do these codes mean E31-E41-E74-F31? can you help?


E31 = Shorted MAP cicuit sensor
E41 = Cam sensor circuit problem
E74 = Intermittent MAT

F31 = Display panels to BCM problem

This is to say if the vehicle is a 1991 Cadillac Deville
Then the Trouble Codes are as I listed above.
For future reference, the F is for BCM codes.

When entering the on screen diagnostics the display starts with one E for the PCM history, then E.E. for current. Same sequence follows for BCM codes starting with one F for history and F.F. for current ones

Mar 15, 2011 | 1991 Cadillac DeVille

1 Answer

Codes e31 e52 e91


P0031....HO2S Heater Control Circuit Low (Bank 1 Sensor 1)


P0052....HO2S Heater Control Circuit High (Bank 2 Sensor 1)

code 91 does not exist

Dec 02, 2010 | 1992 Cadillac DeVille

1 Answer

I pulled up the codes and e91 come up what is it how do i fix it


PRNDL SWITCH PROBLEM IS E91 ACCORDING TO THE BOOK, I LOOKED IT UP IN.

PRNDL stands for Park, Reverse, Neutral, Drive, Low, the same things found on your automatic transmission shifter labels.

The switch is probably bad. Replace it or check connections to it, or check that the Reverse lights go on when the indicator says it is in Reverse on the Dash.

SES light may be on due to this problem.

Maybe not rotated or calibrated right to the shifting positions. I never had this problem in a 1990 Cadillac Deville which is similar to yours.

Good luck.

Jul 03, 2010 | 1991 Cadillac DeVille

1 Answer

What are error codes E98 and F47 for 1992 Cadillac Deville


The E98 is P/N to D/R In ISC (Idel Speed Control) Range problem. This code will not trigger a service light.
The F47 is Refrigerent System Problem. This code turns on the Service Air Cond light, and switched the Climate Control from Auto to Economy.

Mar 01, 2010 | 1992 Cadillac DeVille

2 Answers

I have a 1990 cadillac sedan deville with a E98 code


Sounds like the engine is idling to high. There is a procedure that you must go through to set it. Reply and I will let you know how to set it.

Nov 11, 2009 | 1989 Cadillac Sedan DeVille

1 Answer

93 Cadillac 3 codes E48 E75 and E98 How to fix?


timing should help the idle issue. and the vss probly needs to be replaced.check the egr diaphram its gold and is underneeth the air breather. push up on the bottom of diamphram it should move without alot of efort. if not replace it

Jun 12, 2009 | 1991 Cadillac DeVille

1 Answer

Prndl switch problem error code e91 and ee 91.92 cadillac deville


the switch on top of the transmission where the shift cable is . it probly is not anny good. check all wiring . make sure thair is no dirt inside the connector

Jun 08, 2009 | 1996 Cadillac DeVille

1 Answer

Trouble codes MEANINGS


Code 22 OPEN TPS SENSOR CIRCUIT , E 70 INTERMITTANT TPS SIGNAL, E98 DRIVER CAUSED PARK / N TO DRIVE motion by the driver, attempting a shift position, not agreeable with computer. Go figure ! Hope this helps

Apr 10, 2009 | 1991 Cadillac DeVille

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