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11-29-2003, 04:41 PM | #1 | |
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Caravan A/C Heater Control Module - Fault Codes
Hey, I am trying to troubleshoot my “no heat” problem in my 97 Dodge Caravan. I took it into the dealer and they said I needed to replace the A/C Heater Control Module however I am a skeptic. Every thing seams to work; from the A/C to the recirculation door, the mixing door and the fan selector. I suspect it is the A/C zone door actuator. Either the motor is faulty or the control module is not sending a signal for the door to open. I cannot hear a motor whining sound when I depress the A/C selector switch (although the light does come on and the A/C works). My thought is the door will not shut and allow air to be vented to the heat exchanger.
Q. When you depress the A/C button and see the light come on, should I hear some low noise motor motion that is repositioning the door? Q. Does anyone know where I can get a copy of the fault code lights for the A/C Heater Control Module and the procedure or sequence of steps to operate the lights? I see here where you have identified the procedure for resetting the system. P_medica@hotmail.com
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11-30-2003, 12:20 PM | #2 | |
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Fault Codes found at Allpar website
Had to answer my own question: the procedure for operating the A/C Heater Control Module diagnostic system can be found at the Allpar Website:
http://www.allpar.com/model/m/minivans.html You can find the transmission & engine management system fault codes and diagnostic operations on the site. Enjoy! I STILL NEED SOMEONE TO TELL ME IF A MOTOR NOISE IS HEARD WHEN DEPRESSING THE A/C Selector Button. Please let me know: p_medica@hotmail.com
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