Question about 1988 Chrysler New Yorker

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1988 new yorker atc trouble codes

I have a 1988 chrysler new yorker that blows freezing cold air. I did the heater/air condition ATC self diagnostic test and it started blowing hot air.
It also displayed 4 trouble codes but I don't have any explanation of the
trouble codes. They are 1,2,14,and 15. Can anybody explain these codes to me.? Thanks

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12 Direct battery input to PCM was disconnected within the last 50 key-on cycles 14 MAP sensor voltage too low 15 No vehicle speed sensor signal

Posted on Feb 21, 2010

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I have a 1989 Chrysler New Yorker. The previous owner had a problem with the heat and a/c. They installed a switch that blows cold air. I don't need cold air, I need heat.


Code 88 shows to not really mean any problems. Most of those years of cars have a small valve to control water flow. Make sure your heater core is getting water, and the fan runs. If not, check fuses and the control switches for heat/cool. With that switch they installed, wires may have been cut or spliced.

Jan 11, 2013 | 1989 Chrysler New Yorker

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I have a 1999 chrysler 300m. i run the diagnostic on the automatic temp. controll and get code 36. can some one tell me what code 36 is and how to fix it.


Hi there,

Code 36 = ATC Head Command Failure (Chrysler's technical term: EEPROM Checksum Error).

Basically, this code indicates the Auto Temp Control (ATC) has malfunctioned.

If this is a stored code (i.e. not active) and your ATC appears to be working ok, then you can disregard this code. However, if this code is active (i.e your ATC is not communicating with your A/C system), then there is no simple fix you can do yourself.

Although some mechanics would suggest replacing the actual A/C Heater Control, I understand your Chrysler service agent may have a way to re-flash your system to correct this code. I recommend you contact your local service agent and discuss a possible reset of your system.




"If this has helped you in any way, please take a moment to rate this solution"

Nov 05, 2011 | 1999 Chrysler 300M

1 Answer

In our 1995 Chrysler Concorde, 3.3 liter engine, the heater fan remains on until fuse is pulled. No lights on the ATC. Could the ATC be bad or what should we check or replace? we can't do a scan...


Factory wiring diagrams or manuals --order from -- Helm.Com

Another source -- would be to go to a local shop that has ALLDATA
System & have them print what you need

I personally never buy any Haynes,Chilton etc for the reason
you have found out

Spend the big bucks,if your going to work on your own vehicles

Jul 30, 2011 | Chrysler Concorde Cars & Trucks

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What does the 3-10 code mean for the 91 chrysler new yorker 3.3 litre


There is no 3-10 code for the 91 chrysler new yorker 3.3 Liter. Are you sure it is not blinking another code?

Fig. 1: Diagnostic trouble codes and descriptions - all vehicles 86724080.gif
Fig. 2: Diagnostic trouble codes and descriptions - all vehicles 86724081.gif

Dec 25, 2010 | 1991 Chrysler New Yorker

1 Answer

Heater blows warm air for awhile and then decides on its own to blow cold air. Some days are fine and then today. Warm air on my way to my destination and cold air on my way home. Already replaced...


SOUNDS LIKE YOU HAVE A HEATER CORE THAT IS ALIITLE CLOGGED UP TAKE THE HEATER HOSE OFF TO HEATER CORE AND FLUSH IT OUT WITH A WATER HOSE.THE OTHER REASON IS YOU ARE LOSING VACUUM TO YOUR BLEND DOOR VACUUM SOLENOID.ARE IT IS BAD. THATS THE ONLY TWO THINGS IF YOU HAVE GOOD FLOW

Feb 14, 2010 | 1988 Chrysler New Yorker

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Having heater leak. How does the heater come out?


you will have to remove the dash board and the heater box its a really big job but if you have the dedication and the time it can be done ...good luck

Nov 30, 2009 | 1998 Lincoln Town Car

1 Answer

1999 Chrysler 300m ATC Control Communication Failure


i have the same car and it did the same thing when i got it take it to a dealership there are 2 flashes for the bcm body control module that will recalibrate the automatic temp contol and that should fix the problem

Apr 01, 2009 | 1999 Chrysler 300M

1 Answer

The car keeps coming up a code 23 on a 1999 chrysler 300 for the


Code 23= Blend door feedback control


On cars with automatic climate control: To enter diagnostic mode, set the temperature to 75F, press the the off button. Press Floor, Defrost\Floor, Front Defrost simutaneously for 3 seconds until the temperature display begins to flash.
On cars without automatic climate control, set the blower to any speed, turn the temperature control in between warm and cold. Press Floor, Defrost\Floor, and Front Defrost. All codes will flash via the Front Defrost button.
When the test is over all fault codes will be displayed (on cars without automatic climate control, they will be blinked out on the Front Defrost button).
Code Action
23 Blend door feedback control
24 ATC mode door feedback failure
25 Ambient temperture sensor failure
26 ATC in-car sensor
27 Sun sensor failure
31 ATC recirculate door stall failure
32 ATC blend door failure
33 ATC mode door stall failure
34 Engine temperture sense failure
35 Evap temperature sense failure
36 ATC head command failure

Mar 23, 2009 | 1999 Chrysler 300M

3 Answers

A/C blowing hot air, I'm testing your talents because so far this site has done me no good


Run the OBD diagnostic with the ATC self test feature. I bet you'll find a faulty blend door or motor....accordianman PS Three Pounds??!!?

Jul 28, 2008 | 1994 Chrysler Concorde

2 Answers

Driver side ac not cold


It is not a coolant leak. Nice try though. It is possible that the infra red temp sensor is faulty, also it may be a mode door(directs air flow in the heater box) or a mode door actuator. Your dealer can test for proper door actuation, and can also check temperature difference, some is not uncommon, but it depends on the temp setting, is this a dual zone, or tri-zone atc unit?

Jun 21, 2008 | 2002 Chrysler Town & Country

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