Question about 1999 Dodge Grand Caravan

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Engine code p1491 for Dodge Caravan 3.3

Checked with code meter and engine code p1491 for 1999 Dodge Caravan 3.3 came up we do not have the book for the codes.

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Radiator fan relay circuit.

Posted on Feb 03, 2010

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Check all fuses in the power distribution center under the hood. I bet you find a blown fuse it might be fuse 39#

Posted on Feb 03, 2010

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It is an EGR valve code, ( exhaust Gas regulation) it may be faulty check with your auot parts store.

Posted on Feb 03, 2010

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Posted on Jan 02, 2017

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99 durango getting code P1491


code P1491 radiator fan control relay circuit.

Aug 11, 2013 | 1999 Dodge Durango

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Error p1941 on a dodge caravan 1999


p1491 is a fan controll relay code could not find anything on a p1941 try having the light reset and see if it comes back on if it does then pull that code and get back to me

Sep 18, 2011 | Dodge Caravan Cars & Trucks

3 Answers

Code p1491 on a dodge caravan


Trouble code P1491 means: Radiator fan relay control circuit

Feb 28, 2011 | Dodge Caravan Cars & Trucks

1 Answer

Obc code P1491. REPLACED THE RELAY (RY 330 )riveted on the body under the driver headlamp, code didnt dissapear and engine light still on. The car is a 2000 Grand Caravan with 3 liter engine.


Just replacing the relay will not reset the code. You need to reset the code in your computer. If you disconnect the battery for about 20 minutes it should reset.

Jan 05, 2011 | 2000 Dodge Caravan

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Check Engine Light


It is for the radiator fan relay control circuit.It means there is a problem in the cooling fan relay circuit.Could be the relay,wiring,or the fans.Check the fuses and relay over if it looks good then you have to take it in to get it diagnosed.You need a scan tool and you also need to know how to use a multimeter.Hope this helps.Good luck.

Feb 24, 2010 | 2000 Dodge Caravan

1 Answer

I took my 99 dodge grand caravan to advanced auto and got a computer readout of p1491 as the error code. is this important and is this expensive?


P1491 is Radiator Fan Control Relay Circuit. MEANING: An open or shorted condition detected in the low speed radiator fan control circuit.
Some questions for you:
1. Is your Caravan overheating?
2. Is your Caravan water temperature spiking going past the midway point on the Temp Gauge before the radiator is engaged?
3. Is your Rad Fan coming-on and then turning off and back-on in a very short period of time (like under a minute?
If all of these are "No" then do not worry about it.


Nov 15, 2009 | 1999 Dodge Grand Caravan

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I have 2 lights on..ABS and Check Engine. My


P1775, Transmission system silnoid

Oct 21, 2009 | 2001 Dodge Caravan

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2001 grand caravan


the a/c condenser fan fuse could be blown. replace fuse and disconnect battery. there is also a TSB relating to this. call dealer to confirm

Mar 12, 2009 | 2001 Dodge Grand Caravan

1 Answer

1999 Dodge Caravan running rough at idle and lack of acceleration


Here are a few things to check that aren't that exspencive to do. check you'r o2 scener and the map scencer.try tapping on the cadiletice convertor to see if can hear any rattling if there is any rattliling the cadiletice converter could be clogged and will need to be replaced.You can also have the emission control module tested to see if it working properly.

Feb 10, 2009 | 2002 Dodge Ram Maxi

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