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1995 deville current code po30, history codes po31, po39,po52,po55,po98. Help would be great.

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Posted on Jan 02, 2017

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SOURCE: I have a 94 Cadillac Deville Concours that when

hole in radiator. water pump leaking. leaking coolant into cylinder head from bad gasket. bad radiator cap can cause it to loose coolant . also check the hose to overflow resivore.coolant could be boiling away due to overheating. check the thermastat and the fans. all fuses and relays.as far as the codes check the wiring. if u have to unplug all the connectors and remove the loom and visualy inspect the wiring harness. i had to do this on my 93 deville. i found the reason my ac wasnt working my cruse control . and throttle position sensor. my temp sending unit was seting the idiot light . and the alternator was seting the charge light. all becase of a bad spot in the wiring. i seperated the wiring and tapped each individual wire up. re loomed it and taped over the loom . now my car runs and drives as if i drove it off the show room floor.amazing what a few hours of checking and repairing a few wires willl do. the cadillac dealer ship estimated around $2,000 to fix my problems depending on hours involved at $100 an hr. it cost me 2 rolls of electrical tape and $10 in loom. and like i said a few hours.

Posted on Mar 25, 2010

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SOURCE: Battery No Charge and Error codes

These are for 4.9L


P016-generator voltage out of range--Voltage is below 10 volts or above 16 volts with engine at 500rpm.

P030-Idle speed control (ISC) out of range--Check ISC for operation

A047-very low A/C refrigerant condition warning--check refrigerant level

I039-speed sensing suspension (SSS) fault--this one requires a lot of testing. Could be anything from bad connection at a strut, to bad ground, to bad strut.

I041-battery voltage too low--at 800 rpm, voltage is less than 10.6 volts

I052-keep alive memory error--means IPC lost voltage, and reset. Normal if battery was disconnected, or lost voltage.


These codes are for 4.6L


I039-loss of road sensing suspension (RSS) data--might need to replace rss module

P016-generator voltage out of range--same as above.


If you need anything else, let me know.

Posted on Dec 22, 2008

ZJLimited
  • 17970 Answers

SOURCE: I have code issues.Need to

ECM Diagnostic Codes (Engine Control Module)

E012 - No distributor signal

E030 - ISC Circuit Problem

E039 - VCC Engagement Problem VCC


BCM Diagnostic Codes (Body Control Module)
B112 - A/C Low Side Temperature Circuit Problem / A/C Clutch

B120 - Twilight Delay Pot Circuit

B448 - Low Refrigerant Pressure

B552 - BCM Memory Reset Indicator


Additional details could find in caddyinfo.com/readingcodes.

Hope this helps.

Posted on Nov 22, 2010

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Please help; my Cadillac Concours 1995 use fuel ? tooooooooo much in 100 km use ? 35 liters (9 gallons) without any smoke or missing. What is problem and how can I fix it????


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Jan 25, 2016 | Cadillac Cars & Trucks

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Hi please tell me what is the code po80 and po52 and p071 and T037 and S030 in cadillac devill 1995


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Diagnostic Trouble Codes for OBD I equipped General Motors (GMC, ... BCM Codes; ECM Codes; PCM Codes; IPC Codes; ABS Codes; SIR Codes ..... LR Wheel Speed Sensor Frequency Error T037 . ...... Intermittent TPS Signal P071 (E071) . ..... NOTE: The part numbers listed above are for the Cadillac Deville, Eldorado ...

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Nov 30, 2007 - I retrieved these codes : PO31, PO52, PO53, PO91, IO39, IO52, AO48 they had History behind them but Iwant to know what these mean and are ...

Jan 19, 2016 | Cadillac Cars & Trucks

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1996 Deville sat for a few months...shifted fine before parked, now it won't shift out of 1st gear. Any suggestions? Codes are AC1312, TC0023 & RS0038 current. There are a few other codes but


Have the transmiision serviced with new fluid and a filter. Also do a OBD2 ele ctronic system control fault code test with a scanner or code reader.

Oct 30, 2012 | 1996 Cadillac DeVille

1 Answer

CODE B 1255


What is the definition of EBTCM . the reason i asked is because my 1998Cadillac Deville has the trouble code B1255. EBTCM Internal malf abs/TSC Disable history current

Feb 14, 2012 | 1998 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

2 Answers

I have a 94 Cadillac Deville Concours that when runing either the AC or heat it says check coolant level and then the coolant runs out of the car, it also cuts of when I am driving down the road but it...


hole in radiator. water pump leaking. leaking coolant into cylinder head from bad gasket. bad radiator cap can cause it to loose coolant . also check the hose to overflow resivore.coolant could be boiling away due to overheating. check the thermastat and the fans. all fuses and relays.as far as the codes check the wiring. if u have to unplug all the connectors and remove the loom and visualy inspect the wiring harness. i had to do this on my 93 deville. i found the reason my ac wasnt working my cruse control . and throttle position sensor. my temp sending unit was seting the idiot light . and the alternator was seting the charge light. all becase of a bad spot in the wiring. i seperated the wiring and tapped each individual wire up. re loomed it and taped over the loom . now my car runs and drives as if i drove it off the show room floor.amazing what a few hours of checking and repairing a few wires willl do. the cadillac dealer ship estimated around $2,000 to fix my problems depending on hours involved at $100 an hr. it cost me 2 rolls of electrical tape and $10 in loom. and like i said a few hours.

Nov 04, 2009 | 1994 Cadillac DeVille

1 Answer

Check engine light came on. codes po52,po85,1039,1052,no acp,no sir,pcm?


CODE PO52 IS FAULTY OR MISSING CAL PAC -MEM CAL CODE PO85 IS IDLE LEARN MAX THROTTLE POSITION. .I DID NOT FIND - 1039 AND 1052 SORRY.BUT I HOPE THIS COULD BE SOME HELP.

Jul 13, 2009 | 1994 Cadillac Eldorado

1 Answer

My code is e52 and f11 what is the problem


E52=memory(history)has been resetmeaning the power to the computer
was disconnected and the driving/engine systems performance history has
been lost.

If they are ONLY displaying as F codes this means that they are HISTORY codes and if they display as FF codes then they are CURRENT codes and what we need to diagnose is ONLY the CURRENT codes.

F11 = AC high side temp circuit problem.

hope this helps good luck

Apr 22, 2009 | 1993 Cadillac DeVille

1 Answer

Battery No Charge and Error codes


These are for 4.9L


P016-generator voltage out of range--Voltage is below 10 volts or above 16 volts with engine at 500rpm.

P030-Idle speed control (ISC) out of range--Check ISC for operation

A047-very low A/C refrigerant condition warning--check refrigerant level

I039-speed sensing suspension (SSS) fault--this one requires a lot of testing. Could be anything from bad connection at a strut, to bad ground, to bad strut.

I041-battery voltage too low--at 800 rpm, voltage is less than 10.6 volts

I052-keep alive memory error--means IPC lost voltage, and reset. Normal if battery was disconnected, or lost voltage.


These codes are for 4.6L


I039-loss of road sensing suspension (RSS) data--might need to replace rss module

P016-generator voltage out of range--same as above.


If you need anything else, let me know.

Dec 19, 2008 | 1994 Cadillac DeVille

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