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Unread 07-16-2009, 02:09 PM   #1
ef1992
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2001 WJ 
 
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Fault Codes, DTC Diagnostic Trouble codes ETC.

I was told how to check for codes on the dual climate, but how and where do you find the codes for the rest of the truck? Do ALL he codes come up for the whole car when doing the dual climate, or is the dual climate check ONLY for a/c and heat?

Please help!

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2001 Grand Cherokee Limited-4.7 V8-Quadra Trac II-Flowmaster Super 44 with 3" exhaust
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Unread 07-16-2009, 02:36 PM   #2
ef1992
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This is super important guys please help me out
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Unread 07-16-2009, 02:52 PM   #3
Wheelin98TJ
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Pulling the codes on the HVAC system shows only those codes. It does not show the OBD codes for the entire vehicle.

Here is how you pull the OBD codes:
Quote:
Originally Posted by wjjeeps.com
Turn the ignition key until the digital odometer displays, repeat three times in succession and then back to "On" (On/Off, On/Off, On/Off, On). At the fourth "On" the odometer will be replaced with codes. If no codes are present then "Done" will appear.

http://www.wjjeeps.com/faultcodes.htm
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Unread 07-16-2009, 02:55 PM   #4
ef1992
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Thanks!!!!
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Unread 07-16-2009, 02:59 PM   #5
ef1992
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Reading from the link you gave me it said the codes will normally appear when the check engine light is on.

So if there is no check engine light, there are no codes???

My truck has no check engine light on, so does that mean Im code free?
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