Question about 2003 GMC Sierra

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2003 GMC Sierra key turns with no resistance will not return to fun position from start or start truck.

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  • GMC Master
  • 1,335 Answers

Sounds like you need to replace the ignition switch and go from there.

Posted on Dec 17, 2016

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: having problems starting a 97 GMC Sierra

sound like the timming is off i would check it first then have the starter checked that might be your noise

Posted on Nov 29, 2008

  • 1 Answer

SOURCE: 2003 gmc sierra duramax 2500

Problem with Diesel Fuel System. Gmc 2002 duramax 2500 HD 4x4 will start 

Posted on May 15, 2009

cshubart
  • 146 Answers

SOURCE: My Power window on my 2003 GMC Sierra 1500 Truck

if your main switch panel still works the passenger window and if door locks still work probaly bad window motor

Posted on Oct 21, 2009

Molson02536
  • 3854 Answers

SOURCE: I changed batteries in my 2003 GMC Sierra key fob

1. Close all doors
2. Insert key into ignition
3. Hold down the power UNLOCK button on the driver's door panel, continue to hold down
until instructed to release in step 9.

4. Perform steps 5 through 8 in a fairly rapid succession.
5. Turn the ignition to the ON position (as far as you can go without starting the engine.)
6. Turn the ignition to the OFF position.
7. Turn the ignition to the ON position (as far as you can go without starting the engine.)
8. Turn the ignition to the OFF position.
9. Release the power UNLOCK button on the door panel. The vehicle should respond by
door locks locking and unlocking automatically. (If locks do not cycle after you let go,
not before you let go of the unlock button, then the vehicle has not entered programming
mode and you must start procedure over. Remove key from ignition, open drivers door
and return to step 1 ). If the locks do cycle automatically then proceed to step 10.

10. Hold down the LOCK and UNLOCK buttons on the remote until the doors lock and
unlock. This may take up to 30 seconds.

11. Repeat step 10 NOW for each additional remote. (Including any existing remotes).
12. Turn the ignition to the ON position to exit the programming mode.
13. Test remote(s).

Posted on Mar 06, 2010

  • 1 Answer

SOURCE: wiring diagram 2003 GmC Sierra

I need wiring digram for GMC 2003 SIERRA . I have the left head light working fine but the right I have no power to it. I have checked the fuses and relaysand so far have not found and broken or frayed wires.

Posted on Mar 06, 2010

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1 Answer

2001 gmc sierra will not start


do you know if you fuel. is there a buzzing from the gas tank when the key is turned. do you have spark to the coils. and also check the crank position sensor

Nov 06, 2012 | 2003 GMC Sonoma Extended Cab

1 Answer

I have a 2003 gmc sierra went to start it and it does nothing but the battery is fine what would cause that to happen


IF BATTERY CABLES CLEAN AND TIGHT.STARTER AND SOLENOID GOOD.SEE IF YOU SEE THEFT LIGHT ON WHILE KEY IN RUN POSITION.IF SECURITY LIGHT ON YOUR CAR IS IN THEFT SECURITY MODE.TRY ANOTHER KEY.PUT IN IGNITION FOR 10 MINUTES IN RUN POSITION WITH ENGINE OFF.WHEN SECURITY LIGHT TURN OFF. TURN OFF IGNITION SWITCH .WAIT 5 SECONDS TRY CRANKING TRUCK.IF STILL DONT CRANK.HAVE TRUCK HOOK UP TO A SCANNER TO CHECK FOR THEFT SECURITY MODE FAULT.

Jul 29, 2010 | 2003 GMC Sonoma Extended Cab

1 Answer

2003 5.3L 4x4 GMC Sierra has started being hard


Sounds like a Solenoid might be bad on the starter if it spins freely and a high rate of speed without engaging.

Also, the relay could be bad.

I am ot sure if the fuel filter and pressure regulator would cause this problem.

No code will show with a bad starter or bad relay, I don't believe.

Good luck with this one.

Jul 05, 2010 | 2003 GMC Sierra 1500

1 Answer

I changed batteries in my 2003 GMC Sierra key fob


1. Close all doors
2. Insert key into ignition
3. Hold down the power UNLOCK button on the driver's door panel, continue to hold down
until instructed to release in step 9.

4. Perform steps 5 through 8 in a fairly rapid succession.
5. Turn the ignition to the ON position (as far as you can go without starting the engine.)
6. Turn the ignition to the OFF position.
7. Turn the ignition to the ON position (as far as you can go without starting the engine.)
8. Turn the ignition to the OFF position.
9. Release the power UNLOCK button on the door panel. The vehicle should respond by
door locks locking and unlocking automatically. (If locks do not cycle after you let go,
not before you let go of the unlock button, then the vehicle has not entered programming
mode and you must start procedure over. Remove key from ignition, open drivers door
and return to step 1 ). If the locks do cycle automatically then proceed to step 10.

10. Hold down the LOCK and UNLOCK buttons on the remote until the doors lock and
unlock. This may take up to 30 seconds.

11. Repeat step 10 NOW for each additional remote. (Including any existing remotes).
12. Turn the ignition to the ON position to exit the programming mode.
13. Test remote(s).

Mar 06, 2010 | 2003 GMC Sierra 1500

2 Answers

2003 gmc sierra temp gauge needle stuck in 5 o


Bad IPC.......If u can round up a tech 2 scanner, do a guage sweep and i bet u will see the temp guage will not operate correctly......a new IPC (Instrument Panel Cluster) is really the only fix. Once installed it has to be programmed. If u need any help send me a return message.

Jan 23, 2010 | 2003 GMC Sierra

1 Answer

2003 gmc duramax wont start after engine is warm and turned off.it wont start until engine is cool again


You have high return rates on one of the injectors most likely. The test run by a dealer is the fuel return rate test. It checks the injectors return flow and tells which ones are leaking fuel under pressure.

Dec 20, 2009 | 2003 GMC Sierra

1 Answer

Truck wont start. security lite on. doesnt seem


turn the key to the on position and pump the gas 4-5 times, this should help. My mom has a 03 silverado wich also done this and I contacted a dealer and they gave me this solution and it worked.

Aug 14, 2009 | 2002 GMC Sierra 1500

3 Answers

Change oil light on how do i reset after i changeded oil on 2003 gmc 6 cyl.


turn the key to the on position and press the gas pedal to the floor 6 times in rapid succession. than start the trurck without turning the key off

Apr 12, 2009 | 2003 GMC Sierra

1 Answer

98 Sierra 3/4ton 4x4 turbo wont start


When you turn the key to on, the dashlights have to come on and go off when you turn it to the starting position. Make sure you have a good battery first. No dash lights indicate a bad ignition switch. Check all fuses and relays. But I am pretty sure it is the ignition switch.

Dec 05, 2008 | 2003 GMC Sierra

2 Answers

2003 GMC Sierra 1500HD Panel Lights


as soon as you turn key on hit the gas pedal 3 times really fast you may need to do this a couple of times

Nov 13, 2008 | 2003 GMC Sierra 1500

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