Question about 1991 Cadillac DeVille

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

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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

Posted on Mar 21, 2011

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I have a 93 DeVille code read e41 e52 e48 f31 f40 what do it mean


The link below is a good resource to find the meaning of your codes. The E41 code is listed here as P041 or (E041).
http://z-cut.de/US/dtcobd1.html
Best of luck,

Joe

Oct 02, 2016 | Cars & Trucks

1 Answer

Giving the code E.27


E27 Open Throttle Switch Signal here is a list of all codes E12 No Distributor Reference Signal E13 Oxygen Sensor Not Ready E14 Shorted Coolant Sensor E15 Open Coolant Sensor E16 Generator Voltage Out of Range E19 Shorted Fuel Pump Circuit E20 Open Fuel Pump Circuit E21 Shorted Throttle Position Sensor E22 Open Throttle Position Sensor E23 EST Signal Problem E24 Speed Sensor Circuit Problem E26 Shorted Throttle Switch Circuit E27 Open Throttle Switch Signal E30 ISC RPM Out Of Range E31 Shorted MAP Sensor Signal E32 Open MAP Sensor Signal E34 MAP Sensor Signal Out Of Range E37 Shorted MAT Sensor Signal E38 Open MAT Sensor Signal E39 VCC Engagement Problem E40 Power Steering Pressure Switch Signal E41 Cam Sensor Signal Problem E44 Oxygen Sensor Signal Lean E45 Oxygen Sensor Signal Rich E47 BCM to PCM/ECM Data Problem E48 EGR System Problem E52 PCM/ECM Memory Reset E53 Distributor Signal Interrupt E55 Closed Throttle Angle Out of Range E58 Pass Key Control Problem E60 Cruise - Not In Drive E61 Cruise - Vent Solenoid Problem E62 Cruise - Vacuum Solenoid Problem E63 Cruise - Set Speed vs Vehicle Speed E64 Cruise - Acceleration Too High E65 Cruise - Servo Position Signal Problem E66 Cruise - Engine RPM Too High E67 Cruise - Switch Shorted E68 Cruise - Command Problem E70 Intermittent TPS E71 Intermittent MAP E73 Intermittent Coolant Sensor E74 Intermittent MAT Sensor Signal E75 Intermittent VSS Signal E80 Fuel System Rich E85 Idle Throttle Angle Too High E90 Cruise - VCC Brake Switch Signal Problem E91 Cruise - PRNDL Switch Problem E92 Heated Windshield Request Problem E96 Torque Converter Overstress E97 P/N To D/R Engagement Problem E98 P/N To D/R ISC Engaged Problem E99 Cruise - Servo Apply Problem

Jul 31, 2013 | 1992 Cadillac DeVille

1 Answer

How to fix a e31 code on a 1990 cady


E31 = Shorted MAP cicuit sensor

Check for disconnected lines, wires, holes in the vacuum hose, etc. If yo need additional details, just contact ut clickign the previous link.

Hope helps. Your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using Fixya, and have a nice day.

Jose.

Oct 21, 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

Ik am getting when I do the code check on my 92 cadillac deville 888 then the E52, then F31 then a 7.0. What does all this mean?


Hello: Here is a breakdown of the codes you have: 888 is the segment check which tells you the system can display all codes, E-52 tells you the battery has been disconnected. It tells you that an idle learn should be performed. This idle learn is a very long procedure, you need a Service manual to perform it. The F-31 means there is a communication problem between the fuel data panel and the BCM (body control module). Most likely a Fuel Data Panel, but it could be wiring and/or a intermittent BCM. It would require intensive trouble shooting. 7.0 means the self diagnostic system is ready to go to the next step. If you go to Auto Zone or Advance Auto Parts you can buy a manual for your car (about 20.00 Dollars) I would like to be of more help but what you have requires hands on troubleshooting.

Nov 27, 2010 | Cadillac DeVille Cars & Trucks

1 Answer

Need trouble codes for 1993 Cadillac F31 F47


prev.gif next.gif Reading Codes OBD-I Systems Fig. 1: Diagnostic trouble codes — 4.5L engine 84204010.jpg
Fig. 2: Diagnostic trouble codes — 4.9L engine 84204277.jpg
Fig. 3: Diagnostic trouble codes — 4.6L engine 84204442.jpg
Listings of the trouble codes for the various engine control systems covered in this manual are located in this section. Remember that a code only points to the faulty circuit NOT necessarily to a faulty component. Loose, damaged or corroded connections may contribute to a fault code on a circuit when the sensor or component is operating properly. Be sure that the components are faulty before replacing them, especially the expensive ones. The Assembly Line Diagnostic Link (ALDL) connector or Data Link Connector (DLC) may be located under the dash and sometimes covered with a plastic cover labeled DIAGNOSTIC CONNECTOR.
  1. On all 1990–95 models the diagnostic trouble codes can be read by grounding test terminal B. The terminal is most easily grounded by connecting it to terminal A (internal ECM ground). This is the terminal to the right of terminal B on the top row of the ALDL connector.
  2. Once the terminals have been connected, the ignition switch must be moved to the ON position with the engine not running.
  3. The Service Engine Soon or Check Engine light should be flashing. If it isn't, turn the ignition OFF and remove the jumper wire. Turn the ignition ON and confirm that light is now on. If it is not, replace the bulb and try again. If the bulb still will not light, or if it does not flash with the test terminal grounded, the system should be diagnosed by an experienced driveability technician. If the light is OK, proceed as follows.
  4. The code(s) stored in memory may be read through counting the flashes of the dashboard warning lamp. The dash warning lamp should begin to flash Code 12. The code will display as one flash, a pause and two flashes. Code 12 is not a fault code. It is used as a system acknowledgment or handshake code; its presence indicates that the PCM can communicate as requested. Code 12 is used to begin every diagnostic sequence. Some vehicles also use Code 12 after all diagnostic codes have been sent.
  5. After Code 12 has been transmitted 3 times, the fault codes, if any, will each be transmitted 3 times. The codes are stored and transmitted in numeric order from lowest to highest. NOTE: The order of codes in the memory does not indicate the order of occurrence.
  6. If there are no codes stored, but a driveability or emissions problem is evident, the system should be diagnosed by an experienced driveability technician.
  7. If one or more codes are stored, record them. Refer to the applicable Diagnostic Code chart in this section.
  8. Switch the ignition OFF when finished with code retrieval or scan tool readings. NOTE: After making repairs, clear the trouble codes and operate the vehicle to see if it will reset, indicating further problems.

Jun 28, 2010 | 1993 Cadillac DeVille

2 Answers

1991 850i keeps running hot


so does mine, always has constant problems with cooling of car
expansion blew one time car over heats onless driving on high way
any answers from others?

Aug 06, 2008 | BMW X8 Series Cars & Trucks

1 Answer

Cam sensor replacement


It's inside the distributor. You need to remove the distributor, disassemble the distributor, to replace the sensor.
Charlie

Jun 13, 2008 | 1993 Cadillac DeVille

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