Question about 2007 Chevrolet Uplander LS Minivan

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Fan mtrs run all the time on 2007 chev uplander

Fan motors start with engine never shut off

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  • bajil Oct 06, 2013

    I'm experiencing the same problem with my uplander. what was the solution?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 625 Answers

SOURCE: high speed fan running all the time

if temperature is over 80 degres outside, or the ac pressure over 250, it will be on all the time, but if still doing it, like abnormal, then have the a/c presuure swtch replace or inspect.

Posted on Aug 17, 2008

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  • 1 Answer

SOURCE: 2006 Uplander Sometimes will not start

Mine was doing same ... Make sure your not touching the gas b4 vehicle is started ... It floods easily ... 

Posted on Feb 02, 2009

SOURCE: Have there been problems with rear wiper motor

I have a 2007 Chevolet Uplander and the rear wiper had failed. Is there any type of recalls on this part as you can find the part in any dealership

Posted on Feb 26, 2010

  • 1 Answer

SOURCE: 2007 uplander won't start. display says

I'm having the same problem...did you find a solution?

Posted on Jan 19, 2011

  • 1 Answer

SOURCE: 2007 Chevy Uplander LT cooling

was wondering if you figured out the problem yet?

Posted on May 03, 2011

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1 Answer

2007 Chev Uplander 3.9 Could ECM need replaced? Where is it located?


This is not that clean cut, ECM failure is not that common. The battery died and that caused the no start. This could also account for the setting of that code because of loss of field charge in the alternator. A dealership can write off parts that are not bad, if they did not do the work, you are stuck with the parts. ECM is not cheap. I would check the CPS first.

Feb 25, 2018 | 2007 Chevrolet Uplander

1 Answer

2007 Chev Uplander 3.9 Could ECM need replaced? Where is it located?


Without testing we'd only be guessing ! You have no idea of the complexity of the electronics on your vehicle . Replacing the ECM would mean a trip back to the dealer to have it programmed . Without programming your vehicle will never start . You had new battery an alternator installed , did it start an run when you picked it up. The charging system on your vehicle is computer controlled . DTC P0621
DTC P0621 : Generator L-Terminal Circuit
The engine control module (ECM) uses the generator turn ON signal circuit to control the load of the generator on the engine. A high side driver in the ECM applies a voltage to the voltage regulator. This signals the voltage regulator to turn the field circuit ON and OFF. The ECM monitors the state of the generator turn ON signal circuit. The ECM should detect low voltage on generator turn on signal circuit when the ignition is ON and the engine is OFF, or when the charging system malfunctions. With the engine running, the ECM should detect high voltage on the generator turn on signal circuit. The ECM performs key ON and RUN tests to determine the status of the generator turn on signal circuit.

Your best bet take it back to the dealer .

Feb 25, 2018 | 2007 Chevrolet Uplander

1 Answer

2007 Chev Uplander won't start when hot


Suggest you check fuel pressure an ignition for spark when not starting . No spark could mean a bad ignition module , low fuel pressure could indicate a weak pump .

Jul 19, 2016 | 2007 Chevrolet Uplander

1 Answer

REAR WIPER ON 2007 CHEV UPLANDER QUIT WORKING. IS STUCK HALFWAY UP REAR WINDOW.


Your motor is more then likely locked up. Replace the wiper motor. First check the relays.

Oct 13, 2014 | 2007 Chevrolet Uplander

1 Answer

My 2007 chevy uplander's cooling fan kicks on the moment I start the engine, stops when I turn off the engine, temp gauge reads normal, check engine light is not on, thermostat is ok, flushed radiator,...


Hi Bajil, Have a diagnostic scan carried out and have the coolant temperature sensor and relay inspected for correct operation. It sounds as if a cable has become disconnected or that the operating circuit has become defective. The cooling circuit operation is correct when the fan operates when the engine temperature raises a fraction above normal. The fan will run for a number of seconds and then switch off, thereby maintaining the 'normal' operating temperature. Regards John

Oct 06, 2013 | 2007 Chevrolet Uplander LS Minivan

1 Answer

I own a 2007 chevy uplander v6 95k miles and the cooling fan comes on 20 seconds after car is running. I traced the fuse block to fan#3 by removing fan relay to know which fan is being told to run. it only...


Your vehicle has two fans controlled by three relay's . Both fans run together at two different speeds , low an high ! With the A/C on the fan's will run all the time while stopped at stop sign or idling . Any other time the then only come on when the coolant reaches a set temp. The ETC - engine coolant temp sensor is a input to the PCM - engine computer . When coolant temp reaches 212 degress the PCM energizes the fan 1 relay turning on both fans at low speed . This is very complex ,your best bet ,take it to a qualified repair shop.



Relay Driven Dual Cooling Fan Diagnostics

Aug 17, 2017 | 2007 Chevrolet Uplander LS Minivan

2 Answers

Have there been problems with rear wiper motor 2005 chev uplander


I have a 2007 Chevolet Uplander and the rear wiper had failed. Is there any type of recalls on this part as you can find the part in any dealership

Aug 27, 2009 | 2007 Chevrolet Uplander LS Minivan

1 Answer

2006 Uplander Sometimes will not start


Mine was doing same ... Make sure your not touching the gas b4 vehicle is started ... It floods easily ... 

Oct 10, 2008 | 2007 Chevrolet Uplander LS Minivan

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