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Chrysler Repair/error code 23: '04 LH

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Expert: - 8/1/2011


Question
QUESTION: My vents that blow in the front have stopped working and the fan just seems to want to be on two speeds.  I ran the diagnostic and got a 23 code.  My question is:  Why does the vent work properly while going through the diagnostic and not when normally operating?

ANSWER: I assume this is an early ATC. Let me check the manual and see if I can find out.

---------- FOLLOW-UP ----------

QUESTION: Sorry,  2004 Chrysler Concorde Limited

Answer
I am not sure if you have the manual or the automatic temperature control system. The fact that you only have 2 fan speeds in either case means that either the blower motor 'resistor block' (manual control) or "power module" (ATC control) is bad. I would start by replacing the blower block or module. Then see if the air distrubution issue has resolved itself.
Even before that you could do a 'standard calibration' of your unit by:
Start the engine and let it run
If you have ATC turn the control unit on
Set the temp controls for full cold for 2 minutes
Set the temp controls for full hot for 5 minutes
Then see if the air distribution has resolved itself.
Roland

Chrysler Repair

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Roland Finston

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I specialize in Chrysler/Dodge/Plymouth cars, minivans, and SUV's for the model years 1982-2008 based upon my 50-year DIY experience, factory shop manuals and wiring diagrams. I offer fast repair advice to help you minimize repair costs by helping you diagnose and do it yourself. Problems with electronically controlled engines and transmissions as well as body wiring problems are my specialty.

I take questions one at a time between 8am and 10pm CT and attempt to answer within 20 minutes. "Maxed Out" means I am answering another question of otherwise busy, so try again later.

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Five decades as a 'do-it-yourselfer' on domestic and imported cars

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Yahoo Autos Group called The Chrysler Lebaron Club (co-moderator)

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Degrees in Physics/bruised knuckles.

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"Top expert of 2010" and "2011" at Allexperts. Among top 50 experts for years 2006-2009 at Allexperts.

Quickest "average response time" at Allexperts (currently no. 1).

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