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Posted on Jul 05, 2011
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Diagnostic code for my 2007 saturn ion says p0480 cooling fan 1 control circuit malfunction. what does this mean.

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Jonah Oneal

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  • Saturn Master 14,092 Answers
  • Posted on Jul 05, 2011
Jonah Oneal
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WHAT IT MEANS YOUR FAN CONTROL RELAY CONTROL CIRCUIT IS OPEN OR SHORTED TO GROUND. FAN CONTROL RELAY CONTROL CIRCUIT IS SHORTED TO SYSTEM POWER. THE FAN CONTROL RELAY POWER CIRCUIT IS OPEN CHECK COOL FAN 1 FUSE. FAN CONTROL RELAY IS DAMAGED OR HAS FAILED. PCM HAS FAILED.I LISTED ALL POSSIBLE CAUSES TO CODE PO480.

Sudeep Chatterjee

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  • Master 3,267 Answers
  • Posted on Jul 05, 2011
Sudeep Chatterjee
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DTC P0480 Cooling Fan Relay 1 Control Circuit

Try replacing the fan relay.

If the engine runs, the ECM isn't the problem. The entire electronic fuel injection system is controlled by the engine control module (ECM) so either the ECM works or not, its that simple.

The CPS is the heart of the entire EFI system. No cps = dead EFI system.
There's more to a/c than just a few cans of refrigerant.

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1answer

2007 dodge charger 2.7 v6 dtc p0480

All codes are OBD II and are available online https://www.yourmechanic.com/article/p0480-obd-ii-trouble-code-cooling-fan-1-control-circuit-malfunction-by-spencer-clayton
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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.
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What does engine code P0480 mean on a 2003 durango?

Cooling Fan 1 Control Circuit Malfunction
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Passat code P0480

P0480 VOLKSWAGEN - Cooling Fan 1 Control Circuit Malfunction

Possible causes- Fan control relay harness is open or shorted
- Fan control relay circuit poor electrical connection
- Fan cooling fan harness is open or shorted
- Fan cooling fan circuit poor electrical connection
- Faulty fan control relay
- Faulty cooling fan 1
- Faulty ECM (very unlikely)
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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.
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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
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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.
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