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I have a 91 caddy and its showing codes e31,e91,e98 can someone help tell me what thay mean

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Hello I got a 1990 fleetwood. And I got a question? I have got E22-E52 AND E91 that show on the dashboard. And then it shows .7.0 could you please help me out on that thanks.


Code 22 is a problem with the TPS circuit being too low or zero voltage. The computer measures throttle position depending on how much voltage is returned from the sensor.
Code 52 is the ECM lost battery power since last test, usually from disconnecting the battery cable.
The 7.0 means you have reached the end of the test.

Oct 03, 2015 | Cars & Trucks

1 Answer

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

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

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

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

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

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

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