AC defrost buttons dont work and no temp or vent adjustments can be made but blower works

Tiny
JTALLEY337
  • MEMBER
  • 2000 DODGE INTREPID
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 110,000 MILES
2000 dodge intrepid ac & rear defrost buttons do light up or work. Temp adjust dial does not do anything and Vent control dial does nothing. Blower works fine. Air only comes out at windshield and/or feet. Started after changed battery. Checked fuses, tried disconnecting battery for 30 min, and checking for ac codes does not work since the button is not working.
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Thursday, December 2nd, 2010 AT 2:06 AM

5 Replies

Tiny
CRUISER57
  • MEMBER
My 2000 Intrepid does the exact same thing after reconnecting the battery. Any suggestions?
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Wednesday, September 7th, 2011 AT 3:35 AM
Tiny
FIXITMR
  • MEMBER
Did you try to get codes? Did you solve?
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Saturday, October 22nd, 2011 AT 8:17 AM
Tiny
INDIGOSIGNS
  • MEMBER
I've been working on this issue for months. My rear defrost don't work, AC clutch engage, but it only blows out of the front defrost. Is it a relay or BCM I've tried 4 different control units from a salvage yard (they all can't be bad)
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Sunday, November 27th, 2011 AT 6:05 PM
Tiny
RASMATAZ
  • MEMBER
To: jtalley337

The only way to figure this out is to open it up and observe the movement on all doors on a certain mode of operation

Try performing a self diagnostics as follow:

Using ATC Control Panel
ATC fault codes can only be retrieved from ATC control panel when engine is running and vehicle is not moving. Set parking brake and place transmission in Park position. Start engine and ensure vehicle does not move. Set ATC control panel temperature to 75 F so that any displayed 2-digit DTC will not be confused with temperature display.
NOTE:It is important that no other ATC control panel ****, button or switch is actuated (except panel mode button) until all ATC DTCs are displayed. Pushing any ATC control panel ****, button or switch (except panel mode button) will end diagnostic mode, ATC fault codes will not be displayed and system will return to normal operation ("F" or "C" displayed on ATC control panel).

Simultaneously press and hold floor, mix, and defrost buttons at ATC control panel. See Fig. 1. Release buttons when ATC control panel display begins to blink, indicating ATC system has entered calibration/diagnostic mode. ATC control panel display will continue to blink until actuator door calibration and fault code check are completed.
If ATC system is okay and there are no stored DTCs, system will return to normal operation and temperature symbol "F" or "C" will be displayed. If there is a stored ATC DTC, a two-digit code will be displayed on ATC control panel window. See IDENTIFYING ATC DIAGNOSTIC TROUBLE CODES table. If more than one ATC DTC is stored in memory, it will be necessary to scroll through and record all ATC DTCs. To view each code after diagnostic mode is completed, depress panel mode button on ATC control panel.
To scroll through additional DTCs stored, press panel mode button on ATC control panel until all DTCs have been cycled through display window of ATC control panel. To identify DTC fault message associated with 2-digit ATC codes displayed, see IDENTIFYING ATC DIAGNOSTIC TROUBLE CODES table. Perform appropriate test procedure for ATC DTCs displayed. See DTC/FAULT MESSAGE DIAGNOSTIC TESTS table under DIAGNOSTIC TESTS.
To exit calibration/diagnostic mode, turn ignition switch to OFF position. To clear ATC DTCs, see CLEARING DIAGNOSTIC TROUBLE CODES.
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Thursday, December 29th, 2011 AT 11:43 PM
Tiny
BDWINDSHIELDS
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Did you ever fix the problem with your Intrepid?
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Thursday, September 19th, 2013 AT 2:50 PM

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