Pontiac Grand Prix:

Diagnosing a stuck key in the ignition switch lock cylinder | Page 2

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#11 5/3/2016 5:30 AM

TechHelp2
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Registered: 11/23/2009
Posts: 1243

Re: Diagnosing a stuck key in the ignition switch lock cylinder

I don't know the process for this procedure because they say it should automatically work with most after market radios. There is a product software update that may help you at the company website (If this is your product) at http://axxessinterfaces.com/index.php?m…ts_id=197.

There is a section where you can update the firmware on the module also.

You can also talk to the costumer service on this procedure weather manual or automatic programming for the module.


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#12 6/5/2017 6:18 PM

dwbdwb1
Senior Member
Registered: 7/5/2014
Posts: 33

Re: Diagnosing a stuck key in the ignition switch lock cylinder

Hello, I'm back to this unresolved issue. I'm trying to replace the key lock ignition actuator and have found little supporting information to actually replace it. I suppose it's because of the security issues involved. Would you have the procedure information for replacing the actuator? Thx

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#13 6/6/2017 10:18 AM

TechHelp2
Administrator
Registered: 11/23/2009
Posts: 1243

Re: Diagnosing a stuck key in the ignition switch lock cylinder

If you are replacing the Electric park lock module inside the steering column for the key then this is the procedure below. .

Electric Park Lock Module - Disassemble -Off Vehicle

Caution: Refer to SIR Caution in Service Precautions.


Disable the inflatable restraint steering wheel module.
Important: Place the steering column in the CENTER position.

Remove the tilt lever.
Remove the steering wheel from the steering column.
Remove the steering column from the vehicle.

Use a small screwdriver to pull the filler plug out of the bottom of the lower trim cover.

Insert the small screwdriver into the filler plug hole in the bottom of the lower trim cover.
Use the screwdriver to push up on the manual override of the electric park lock.
Turn the key to the LOCK position. Remove the key.

Remove the 2 pan head tapping-screws from the lower trim cover.

Remove the lower trim cover from the upper trim cover in the following way:
Tilt the lower trim cover down.
Slide the lower trim cover backward in order to disengage the locking tabs.

Remove the 2 TORX head screws from the upper trim cover.
Remove the upper trim cover from the steering column.

Remove the black connector from the electric park lock.

Pry the electric park lock (2) off of the electronic lock module assembly.
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There are too many pictures to send so I sent just the procedure. With all the work you do on this vehicle it would be wise to join Alldata information website or get yourself a service manual. I have had good luck finding manuals at this website, https://books4cars.com/listings.php?fin…;type=Shop


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#14 6/8/2017 1:24 AM

dwbdwb1
Senior Member
Registered: 7/5/2014
Posts: 33

Re: Diagnosing a stuck key in the ignition switch lock cylinder

Thank you for the update to my post. I already have the resources to do the repair but I searched using several terms for the part other than "electric park lock module". Now I have the procedures which are as you were discribing...hoping I won't need all of the steps, by fortune... (It should be easier than elaborated) and it should solve this old problem.

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#15 6/8/2017 5:44 AM

TechHelp2
Administrator
Registered: 11/23/2009
Posts: 1243

Re: Diagnosing a stuck key in the ignition switch lock cylinder

Keep us posted on your progress.


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#16 7/30/2017 8:05 PM

dwbdwb1
Senior Member
Registered: 7/5/2014
Posts: 33

Re: Diagnosing a stuck key in the ignition switch lock cylinder

After replacing the park lock actuator, key cylinder, brake pedal switch, ignition wire harness, the connector to the base of the shifter because of broken wires, the shifter because of the actuator switch riveted to it, and almost the ignition switch itself, it came down to the wire harness that runs from the dash/back of console  to the shifter. The other end of the wire harness' connector was probably making an unreliable pin contact. So, when I replaced the wire harness it worked again. I hope someone can use this information and know to consider design of the pins at the connector(s) can become unreliable.
Thank you again for all of the answers before.

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