Question about 1987 Cadillac DeVille

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I would like to find out what error codes e26 e27 e52 mean on service soon of 1986 Cadillac Deville

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Marvin

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E26 - Shorted Throttle Switch Circuit
E27 - Open circuit in throttle switch
On these 2 codes replace the TPS and clear codes (throttle position sensor).
E52 PCM/ECM Memory Reset
Have u cleared the memory? don't worry about this code.

Posted on Apr 08, 2009

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OK, I changed/adjusted the TPS on my 86 Cadillac. The car will start and run for about 20sec then shut off. Im getting error codes E22, E26, E52 and F32. Does anyone know what is wrong now?


Very likely it could be a crankshaft position sensor if you can fire it up and runs for 20 seconds and shuts down it could be your problem which if that is one of the error codes after a scan it can trigger other codes with that one faulty sensor

Jan 20, 2017 | Cadillac Cars & Trucks

1 Answer

I have a 87 cadillac sedan deville 4.1 did nthe warm and power buttons its ncomin up with trouble code e27 and e52 what doesn this mean and what do i have to do to fix it runs but no power


E26 and E27 which is "Shorted throttle switch signal" and "Open throttle switch signal".
The code E52 just means that the ECM lost power or ground or that someone forgot to clear the code after hooking the battery back up. It could mean a bad computor but not very often. 2 things that come to mind is a bad ignition key or lock cylinder or a faulty neutral safety switch. Try the other ignition key first. Then with your foot on the brake pedal hold the key in the start position and move the shifter slowly from P to D. If it tries to start then the NS Switch is bad or out of adjustment. If it still won't start then you will need to troubleshoot the ignition key/PASS KEY system for an open wire in the steering column. Hope that helps. Bill

Jan 10, 2017 | 1987 Cadillac DeVille

1 Answer

What are error codes e44 & e52?


e 44 is oxygen sensor signal lean e52 is pcm memory reset

Apr 28, 2014 | 1991 Cadillac DeVille

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

What does e52 mean


E52=memory (history) has been lost.try ERASE all your codes and see if any come back.1.turn Ignition ON, Engine OFF.2. Push and hold the OFF and WARMER buttons until all the segments on the display illuminate and as soon as the codes start to appear, Push the OFF and HI buttons and release them until you see .7.0.
3. Turn ignition OFF.

Nov 19, 2011 | 1988 Cadillac Sedan DeVille

1 Answer

Dont no my e codes definition on my 1993 cadillac deville i found codes E26,E32,E70,and E97 but I dont no what problems they represent


E26-shorted throttle signal switch
E32-open MAP sensor signal
E70-Intermittent TPS signal
E97-High RPM P/N to D/R Shift

some could be history codes not currents tho maybe try to clear then drive it and see what comes back.
Press off and high simultaneously to clear codes
and this link may help
http://www.cadillacforums.com/forums/ht4100-4-1-4-5-4/21558-obd-i-codes-4-x-engines.html

Oct 06, 2011 | 1993 Cadillac DeVille

1 Answer

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


e52 is ecm memory reset
e91 park neutral safety switch
e98 transaxle shift fault

Jul 07, 2010 | 1991 Cadillac DeVille

2 Answers

Service soon light came on on my 86 cadillac deville so i was wondering is that the same thing as a check engine light or different?


"service soon" is a reminder that it needs regular maintenance, and usually the dealer has a tool to reset that light on the dashboard, which can be expensive to buy.

If you do all the maint yourself, and you know that all the fluids have been replaced or capped off, you could cover the light with a piece of black electrical tape, then go on with your life.

May 24, 2009 | 1986 Cadillac DeVille

1 Answer

Service engine soon light on


E40 is a problem with the Power Steering Pressure switch. Most probable cause is that if work was recently done, someone forgot to put the wiring harness back on the pressure switch. The pressure switch is usually mounted on the high pressure line. It looks similar to an oil pressure switch. If the wiring is correctly installed, the switch is probably bad (assuming that your power steering works).

E52 is a PCM (engine computer) memory reset code. Have you disconnected the battery of late? If not, check all your fuses. One of the fuses for the PCM may have blown.
Charlie

Nov 16, 2008 | 1993 Cadillac DeVille

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