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jackle
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Aug 24, 2012, 2:49 PM
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p0480 code help...
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i have a 2004 dodge neon sxt, I was overseas when my wife told me car was overheating. i checked the fans they both work, checked the plugs and they got power but fans still dont kick on???? help anyone.
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Hammer Time
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Aug 24, 2012, 2:55 PM
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Re: p0480 code help...
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Test for both power and ground at the fan. If you have both, the fan is bad. I have doubts about your testing because that code is for a fan control circuit.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
(This post was edited by Hammer Time on Aug 24, 2012, 2:57 PM)
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jackle
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Aug 24, 2012, 3:02 PM
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Re: p0480 code help...
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i know what it is for, im just trying to figure out whats goin on with it. i know the fans work but they just not kicking on and thats what i need to figure out.
(This post was edited by jackle on Aug 24, 2012, 3:02 PM)
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Hammer Time
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Aug 24, 2012, 3:33 PM
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Re: p0480 code help...
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Well, in order to do that you need to perform the test properly. You stated that you were getting power to the fans and I seriously doubt that to be true so check it again and check for ground also.
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jackle
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Aug 24, 2012, 3:35 PM
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Re: p0480 code help...
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how exactly would YOU check it?
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Hammer Time
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Aug 24, 2012, 3:40 PM
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Re: p0480 code help...
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With a test light that reads both power and ground and test the 2 wires going into the motor while unplugged to see that one has power (yellow) and one has ground (black).
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jackle
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Aug 24, 2012, 3:44 PM
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well, we shall see what happens i guess. but if the fan is bad, that wouldnt explain the code for the control circuit would it?
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Hammer Time
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Aug 24, 2012, 3:46 PM
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Yep, that's what I'm saying. That's why I'm doubting your tests.
That's unless of course you have 2 different problems.
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(This post was edited by Hammer Time on Aug 24, 2012, 3:47 PM)
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jackle
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Aug 24, 2012, 3:57 PM
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Re: p0480 code help...
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well i got two fans, two codes. 0480 and 0481 which is hi and low, couldnt i supply 12v power straight to fan and see if they come on? and if they do come on, then what would i check next???
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Hammer Time
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Aug 24, 2012, 4:03 PM
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Now we have a different issue. I looked up the wiring diagrams for both possible engines available and both only have one fan with one speed so i don't know what you even have. PO481 shows as an invalid code for that vehicle. Are we sure about all the info you're giving me? Is this a US vehicle?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
(This post was edited by Hammer Time on Aug 24, 2012, 4:05 PM)
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jackle
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Aug 24, 2012, 4:15 PM
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yes im sure its a us vehicle. 2004 dodge neon. it has two fans on the radiator. i just got done giving direct power to the fans and they both came on. there is actually 3 wires, side by side and its red, white, red. take it the reds are power and whit is ground, well i tested that plug and its got power.so???
(This post was edited by jackle on Aug 24, 2012, 4:17 PM)
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Hammer Time
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Aug 24, 2012, 4:17 PM
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The only other option I have is an SRT-4 with a 2.4 turbo.
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jackle
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Aug 24, 2012, 4:20 PM
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i wish i had that, but its only an sxt with a 2.0.
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Hammer Time
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Aug 24, 2012, 4:28 PM
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Well, all 2004 with 2.0 only show one fan in the wiring diagram. I just checked 2 different data sources Alldata and Mitchell) and found the same diagrams in both so something is different about this vehicle that I'm not aware of.
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Discretesignals
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Aug 24, 2012, 4:32 PM
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SYMPTOM
P0481-COOLING FAN 2 CONTROL CIRCUIT (NON-TURBO)
WHEN MONITORED
With the ignition on. Battery voltage greater than 10 volts.
SET CONDITION
An open or shorted circuit is detected in the radiator fan relay control circuit. One Trip Fault.
POSSIBLE CAUSES
- Low speed radiator fan relay operation
- Fused B+ feed circuits
- Low speed radiator fan relay resistance
- Low speed rad fan relay control circuit open
- Low speed rad fan relay control circuit short to ground
- PCM
SYMPTOM
P0480-COOLING FAN 1 CONTROL CIRCUIT
WHEN MONITORED
With the ignition on. Battery voltage greater than 10 volts.
SET CONDITION
An open or shorted circuit is detected in the radiator fan relay control circuit. One Trip Fault.
POSSIBLE CAUSES
- Low speed radiator fan relay operation
- Fused B+ feed circuits
- Low speed radiator fan relay resistance
- Low speed rad fan relay control circuit open
- Low speed rad fan relay control circuit short to ground
- PCM
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Aug 24, 2012, 4:33 PM)
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Hammer Time
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Aug 24, 2012, 4:39 PM
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We are aware of what the codes mean. The problem is this car isn't listed as having the PO481 or even 2 fans.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
(This post was edited by Hammer Time on Aug 24, 2012, 4:40 PM)
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Discretesignals
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Aug 24, 2012, 4:47 PM
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Those codes are listed for that vehicle in Motor3k
If you look in the radiator fan description and operation section it does have the option of dual fans.
The wiring schematic your looking for is 8W-30-24. It is listed in the powertrain electrical schematics index, but there is no hyperlink. You'll have to contact Alldata library to get the schematic you need.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Aug 24, 2012, 4:48 PM)
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Hammer Time
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Aug 24, 2012, 4:52 PM
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OK, I did find a dual fan diagram for that car but it's only listed for the 2.4 turbo.
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jackle
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Aug 24, 2012, 4:58 PM
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well i found a break in a wire so i repaird it. on fan comes on now but the code still exists. at least i got one fan on thats better than not having any.
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Discretesignals
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Aug 24, 2012, 5:03 PM
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Don't really know if the SRT 2.4L 8w-30-24 is different than the Neon 2.0C/F 8w-30-24 though.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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Hammer Time
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Aug 24, 2012, 5:03 PM
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Use the diagram to determine what's missing on the other one.
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jackle
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Aug 24, 2012, 5:07 PM
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well thanks guys for all the info and help, im sure ill be back on here with more issues at a later time. thanks again.
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Hammer Time
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Aug 24, 2012, 5:12 PM
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Here's another one I found in Identifix that was listed under both 2.4 turbo and 2.0 16 valve.
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