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  #1  
Old 10-29-2007, 09:53 PM
ldmd64 ldmd64 is offline
 
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Default Diagnostic Code P1491

Anyone have ideas code cam on two days ago feels a little sluggish, 2002 dodge 1500, 4.7 L, loaded.
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  #2  
Old 10-29-2007, 10:24 PM
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MikeHTally MikeHTally is offline
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Default RE: Diagnostic Code P1491

"Radiator Fan Ctrl Relay Circ" Maybe the computer thinks the fan's misbehaving, so it backs off the power?
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  #3  
Old 10-29-2007, 10:39 PM
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Default RE: Diagnostic Code P1491

This may sound strange, but I have seen this code many times. Check all fusesin the power distribution center under the hood. I bet you find a blown fuse...
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Old 10-29-2007, 10:43 PM
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Default RE: Diagnostic Code P1491

I think that it is fuse # 39.
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  #5  
Old 03-31-2009, 08:06 PM
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Bump -

Just had this happen, headed out to check the Fuse.
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Old 03-31-2009, 09:23 PM
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update: Fuse was blown, replaced still didn't fix. manual says relay could also be bad. ordered up a relay should be in by thursday
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2002, 2003, caravan, check, code, codes, computer, diagnostic, dodge, engine, maintenance, neon, obd, p1491, ram

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