Question about 2002 Pontiac Grand Am

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I have pontiac grand am 2002 service engine soon light comes on and is hard starting occasionally. The computer code it trips is 601. What does this mean?

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The p0601 code means there is a fault in the power train control mudule (pcm) usually caused by a short in the system, or unpluging pcm wires with the battery connected, unfortunetally this isnt a cheap fix as the pcm will need to be replaced, if your lucky your local dealership may be able to re-flash the computer and save it, but thats rare. sorry didnt have better news for you.

Posted on Apr 03, 2011

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It's bad engine control module

Posted on Apr 03, 2011

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1 Answer

What is the solution to fixing trouble code P0449 in a 2002 Ponitac Grand AM?


Code 449 is for a problem with the vent valve solenoid for the EVAP system. The computer uses the EVAP system to vent the gas tank to the vapor canister when the engine is running.
The valve would need to be tested and may need to be replaced. As far as I know, GM will not pay once the car is past the 7 yr 70,000 mile warranty.

May 03, 2013 | 2002 Pontiac Grand Am

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2002 pontiac grand am has 2 service engine soon lights the one on the right comes on and goes out periodiclly


Usually one is a service vehicle soon and the other service engine soon. They are different. The service vehicle soon is telling you the body has an electrical issue and the service engine is telling you you have a powertrain issue. If you get the codes pulled from the engine at auto zone or another big box part store for free and post the codes we can help. This we do first. Then we can worry about the service vehicle soon.

Mar 10, 2011 | 2002 Pontiac Grand Am

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Service engine soon light is on what is the fix


hi your service soon light is on ok well this is what you do is get a scanalizer plug it in to the port in the car and erase the code that makes this light to come on or take your car in to a service station and they should have the ability to rest it there.

hope this helps.

Jan 02, 2011 | 2002 Pontiac Grand Prix

1 Answer

2002 Pontiac Grand Prix - multi-fuse related problems.The A/C keeps shorting out and the garage replaces the fuse. Where is the fuse box for the A/C located? Also, the radio display is dim/non existent...


I can't answer because I have other question open, sorry, but here I send any comments and clues to solve (I hope).

For the FUSE PANEL, location and description, I suggest check the 2000-Pontiac-Grand-Prix-Owners-Manual (page 330 and next). A/C have one "diode". Check it.

About your radio display, sound like a internal problem, keep in mind that the CD is working.

The Security Litgh, its possible that you have any problem with the THEFT system or any aftermark alarm (if you have).

Resetting Oil Service Indicator Lights - Pontiac Grand Prix, 1999-03
Driver Information Center If Equipped). Turn the ignition to ON without starting the engine. Fully press and release the accelerator pedal three times within five seconds. If the CHANGE OIL Soon indicator flashes two times, the system is resetting. Turn the ignition key to OFF, then start the vehicle.
If the CHANGE OIL SOON indicator comes on and stays on, repeat the procedure. To reset the OIL LIFE indictor if equipped with a Trip Computer: Press the trip MODE button until the light appears next to OIL LIFE. Press and hold the trip RESET button until the oil life percentage changes to be 99 percent.

Hope helps (remember rated this).

Jun 05, 2010 | Pontiac Grand Prix Cars & Trucks

1 Answer

Two service engine lights


one is service engine soon referring to the engine and trans. systems, and one is service vehicle soon, referring to body, abs, hvac, etc. systems two different lights for 2 different types of trouble codes

Mar 17, 2010 | 2002 Pontiac Grand Am

1 Answer

Grand Am 2003 "service engine soon" light


The service light means something is wrong with the car and it needs attention now. Get the codes checked and that will tell you what is wrong with it.

Jun 17, 2009 | 2000 Pontiac Grand Am GT

2 Answers

Service Engine Soon


wandeeful: what has occurred, is something within the powertrain management system had malfunctioned. It may had occurred even for a brief moment. There will be a code stored in the computer which will tell what had tripped the light.
Once the scan is completed, then what need to be done will be known.
You can get the car scanned for free at
Auto Zone or "O" Reiley's

Apr 25, 2009 | 2003 Pontiac Grand Am

1 Answer

2002 pontiac grand am service vehicle soon light


Take your car to Kragen or a parts store like it and have the system tested for codes, also ask them to test your charging system for low voltage, all this is free.

Oct 21, 2008 | 2002 Pontiac Grand Am

1 Answer

1999 Pontiac Grand Prix lights are staying on


what is the procedure you are using can you explain it to me?
Resetting Procedure

To reset the CHANGE OIL SOON indicator if equipped with the Driver Information Center (DIC).

  1. Turn the ignition to ON without starting the engine.
  2. Fully press and release the accelerator pedal three times within five seconds.
    • If the CHANGE OIL SOON indicator flashes two times, the system is resetting. Turn the ignition key to OFF then start the vehicle.
    • If the CHANGE OIL SOON indicator comes on and stays on, repeat the procedure.
To reset the OIL LIFE indicator if equipped with a Trip Computer.

  1. Press the trip MODE button until the light appears next to OIL LIFE.
  2. Press and hold the trip RESET button until the oil life percentage changes to 100%.
Hope this helps Ill look into the ABS lights but I do believe that you will need a scan tool to retreive a code to be able to diagnose the reason for the lights



Sep 18, 2008 | 1999 Pontiac Grand Prix

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