Question about 2001 Dodge Grand Caravan

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2001 grand caravan

Rad fans will not shut off?? Faults p1491 @p0403 ??????

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The code p1491 is a bad radiator fan control relay.
Code p0403 is an egr valve circuit malfunction.Probably the egr solenoid, have it checked.

Posted on Mar 12, 2009

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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

Posted on Mar 12, 2009

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I have 2001 dodge caravan 3.3L I am getting P1491code rad fan control relay curcuit. Replaced the relay still have same code


http://ricksfreeautorepairadvice.com/p1491-radiator-fan-wont-turn-on/

the above link contains test info for the circuit. 3 main problems if the fan itself is good:
1 ) corrosion in the relay socket..especially the ground
2) coolant temp sensor bad
3 ) relay bad

Jul 30, 2016 | Dodge Cars & Trucks

1 Answer

Get code P0403 on 2001 Dodge Caravan...even after I just replaced the EGR valve twice (first replaced as thought might be faulty).....it cleared a few other codes related to EGR flow, but the P0403 ke


if you have a obd11 scanner, clear the codes and drive the vehicule for a while ,a good half an hour or so above 30 mph. this will give your onboard computer a chance to relearn system settings.if the code comes back there could be some other sensor malfunctioning or a problem with the onboard computer.ex corroded connections or broken pins.

Nov 26, 2011 | 2001 Dodge Caravan

1 Answer

1999 Jeep Cherokee Sport wont shift into overdrive P1491


P1491 - Radiator Fan Control Relay Circuit Open Or Shorted

When monitored: with the ignition key on, battery voltage greater than 10.0 volts and
the pcm requests the radiator fan to be turned on.
Set condition: an open or shorted circuit is detected in the radiator fan relay control
circuit.

Possible causes
radiator fan ctrl rly circuit wire harn intermittent defect
radiator fan ctrl rly circuit wire harn observable defect
radiator fan relay ground circuit open
rad fan relay control circuit open
radiator fan relay control circuit short to ground
rad fan control relay defective
pcm defective

Check ot and keep us updared.

Oct 15, 2011 | 1999 Jeep Cherokee

2 Answers

I could not find code p1491 for my 1999 dodge grand caravan


P1491 Rad Fan Control Relay Circuit
This code indicates their is a fault with in the radiator cooling fan circuit. are their any other symptoms or just this code showing? it may be that it something electronic has failed, and the thermostatic fan will just run at full speed, instead of cutting in and out as required to regulate temperature. If fan is runing, their is no harm in driving vehicle.

Jan 21, 2011 | Chrysler Town and Country Cars & Trucks

1 Answer

Replaced a radiator fan relay switch p1491


There should have been an erase button on the scanner they used at advance, this should erase the memory

Jul 18, 2010 | 1998 Dodge Grand 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

1 Answer

Radiator fans will not go on


check fuses and relay to fan, if not it, check wiring to fans.

Mar 14, 2009 | 2001 Dodge Grand Caravan

1 Answer

Need procedure to remove/replace radiator on 01 Dodge Grand Carva


This Link is for R&R rad fan assy, but once your there, the rad should be pretty obvious, what else needs to be done. Fan has to come off first anyway.

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c1528021e5b1

Feb 28, 2009 | 2001 Dodge Grand Caravan

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