Question about 2007 Dodge Ram Truck

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Check engine light comes on when I turn defroster on. Cooling fan ciruit and P0480 code

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  • Anonymous Mar 19, 2014

    Cooling fan stays on when driving

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  • Master
  • 2,317 Answers

I would check the relay and fuse for the A/C condenser fan.

Posted on Apr 28, 2010

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Posted on Jan 02, 2017

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2004 Chevy Venture 3.4 v6 got a P0480 error code. What are the probable solutions to resolve this problem? Thanks!


If your vehicle's check engine light comes on and after pulling the code you find a P0480 displayed, it (P0480) refers to the engine cooling fan circuit. It is a generic code applying to all OBD II (on board diagnostics) vehicles regardless of make or model.
While you are driving, air in sufficient quantity is passing through the radiator effectively cooling the engine. When you bring the car to a stop no air is passing through the radiator and the engine begins to increase in temperature.
The PCM (powertrain control module) senses the increase in engine temperature through the CTS (coolant temperature sensor) located near the thermostat. When the temperature reaches about 223-degrees F (value depends on make/model/engine), the PCM will command the cooling fan relay to turn on the fan. It does so by supplying the ground to the relay.
There is a problem within this circuit causing the fan to fail to operate allowing the engine to overheat while sitting still or driving at a slow speed. When the PCM attempts to activate the fan and senses the command and the result do not match, the code is set.

Jul 01, 2016 | Cars & Trucks

1 Answer

I have a 2002 Dodge Intrepid with a code of odb480


This is a generic powertrain diagnostic trouble code (DTC), which means it covers all makes/models, 1996-newer. However, specific troubleshooting steps will vary depending your vehicle. pulling the code P0480 displayed, if refers to the engine cooling fan circuit. It is a generic code applying to all OBD II (on board diagnostics) vehicles. The PCM (powertrain control module) senses the increase in engine temperature through the CTS (coolant temperature sensor) located near the thermostat. When the temperature reaches about 223-degrees F (value depends on make/model/engine), the PCM will command the cooling fan relay to turn on the fan. It does so by supplying the ground to the relay.
There is a problem within this circuit causing the fan to fail to operate allowing the engine to overheat while sitting still or driving at a slow speed. When the PCM attempts to activate the fan and senses the command and the result do not match, the code is set. Symptoms may include:
  • Check engine light (malfunction indicator lamp) illumination and code P0480 set
  • Engine temperature will rise when the vehicle stops and idles
Potential Causes The causes for this DTC may include:
  • Faulty fan control relay 1
  • Fan control relay harness is open or shorted
  • Circuit electrical connections poor
  • Faulty cooling fan 1
  • Faulty coolant temperature sensor
  • Fan cooling fan harness is open or shorted
  • Cooling fan circuit poor electrical connection. hope this helps you.

Oct 12, 2014 | 2002 Dodge Intrepid

1 Answer

Cooling fan stay on got obd code p0480


code p 480 refers to engine coolant blower motor 1 --circuit malfunction===causes ---wiring---engine coolant blower motor---ECM
it indicates a wiring problem or ECM problem
as for the rough engine problem , check that a vacuum hose has not been pulled off and check for problem injectors

Aug 27, 2017 | Cars & Trucks

2 Answers

Check engine light came on computer code says p0480 what does that mean ?


P0480 is for the electrical circuit of the cooling fan relay. The cooling fan relay is about the size of a deck of cards only a little taller. It's mounted to the metal bumper support under the bumper cover on the left side, near the headlight. It has aluminum cooling "towers" on top to dissipate heat. The most likely cause for this code to set would be a failed relay. It can also be caused by a short or open circuit on the control wiring running to it, and be sure to check all fuses in the box under the hood.

Jun 28, 2011 | Chevrolet TrailBlazer Cars & Trucks

1 Answer

Check engine light - dignostic code P0480


P0480 Cooling Fan I Control Circuit Malfunction, check the fan fuse and Replace the malfunctioning fan control relay 1 - Replaced cooling fan 1

Jun 23, 2011 | Chevrolet Monte Carlo Cars & Trucks

1 Answer

Check engin light is on with code p0480 2006 sebring


P0480 reads to be a cooling fan 1 control circuit malfunction.

May 07, 2010 | 2006 Chrysler Sebring

1 Answer

I replace the fan clutch and i still have the code p1481 what does that mean? 2002 chevrolet Trailblazer 4.2 Thanks You! Arthur Tyler


TSB#05-06-02-012B: Service Engine Soon (SES) or Check Engine Light On, DTC P0480, P0526/P1481/P1484 Set (Replace Engine Cooling Fan Wiring Harness) - (Oct 19, 2006)
Subject:
Service Engine Soon (SES) or Check Engine Light On,
DTC P0480/P0526/P1481/P1484 Set (Replace Engine Cooling Fan Wiring Harness)
Condition
Some customers may comment that the Service Engine Soon (SES) or Check Engine light is illuminated. This condition may be intermittent and upon investigation, the technician may find either DTC P0480, P0526, P1481 or P1484 set.

Cause
This condition may be caused by the cooling fan harness chaffing against the plastic guide it routes through. This
contact may damage the insulation of the wires enclosed in that harness.

Correction
Replace the engine cooling fan harness using the procedure listed below.

1. Remove the cooling fan. Refer to the Cooling Fan and Shroud Replacement procedure in the Engine Cooling sub-section of SI.

2. Place the cooling fan assembly on a bench.
Disconnect the harness electrical connector from the cooling fan clutch.

3. Remove the harness from the plastic guide while feeding the wires out of the slot.

4. Before installing the new harness, wrap the affected area on the wires with electrical tape to keep the protective sleeve in place. Be sure to keep the tape approximately 25 mm (1 in) away from the connector so the wires can be fed into the slot.

5. Feed the wires into the slot and install the harness to the plastic guide.

6. Connect the harness electrical connector to the cooling fan clutch.

7. Install the cooling fan. Refer to the Cooling Fan and Shroud Replacement procedure in the Engine Cooling sub-section of SI.

Part Number 89024920

Description
Harness Assembly, Engine Cooling Fan Wiring
Thank you for using fixya.

Apr 29, 2010 | 2003 Chevrolet TrailBlazer

2 Answers

I have a service engine soon light and the code that appeared when check is 1481, do you know what this means?


Service Engine Soon (SES) or Check Engine Light On, DTC P0480, P0526/P1481/P1484 Set (Replace Engine Cooling Fan Wiring Harness) #05-06-02-012B - (10/19/2006)

Models:2004-2006 Buick Rainier
2002-2006 Chevrolet TrailBlazer, TrailBlazer EXT
2002-2006 GMC Envoy, Envoy XL, 

Some customers may comment that the Service Engine Soon (SES) or Check Engine light is illuminated. This condition may be intermittent and upon investigation, the technician may find either DTC P0480, P0526, P1481 or P1484 set.

This condition may be caused by the cooling fan harness chaffing against the plastic guide it routes through. This contact may damage the insulation of the wires enclosed in that harness.

Replace the wire harness: 
Part Number 89024920 Description Harness Assembly, Engine Cooling Fan Wiring

Good luck and keep me posed. 

Aug 11, 2009 | 2003 GMC Envoy

1 Answer

Check engine light error code 480


P0480 Cooling Fan I Control Circuit Malfunction
-----------------------------

Chrysler has issued a TSB (#18-004-07)containing the fix for an inoperative cooling fan on 2005-06 Caravans and Town & Country vans with the 3.3L or 3.8L engines. The problem usually occurs after driving in heavy snow conditions where snow and ice form at the bottom of the fan shroud and block the fan blade. This condition also sets a P0480 code in the PCM. The fix requires a PCM reflash. If you have an inoperative cooling fan or a P0480 code, check the version label attached to the PCM. If a software update has not been performed since this TSB’s issue date of January 24, 2007, you should have the update performed before you start replacing any parts.

Dec 13, 2008 | 2005 Dodge Caravan

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