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HELP !!! Cannot Unlock Gas Door
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Posted 8/25/2007 8:21 PM
Patrick / Regina
Member


Date registered: Apr 2006
Location: Easley & Mount Pleasant / South Carolina
Vehicle(s): 2000 G500 / 2004 & 2005 Sprinter / 1987 300SDL +
Posts: 39
25
HELP !!! Cannot Unlock Gas Door

Something is up with our electrical system... The door locking system is inoperable. When I use the remote, all I get is either a flashing red or green indicator (rear view mirror) combined with either left or right turn signal flash of front fender lights.

Regina has been driving and now the gas light is on... cannot open the door to the gas tank/cap as it is in the locked position. I can usually pull up or push down on the driver's door lock post to either lock or unlock the truck... NO SUCH LUCK.

I have checked the fuses and am not sure where to go from here.

FIRST: Is there a way to manually unlock the exterior gas door?.. what about from the inside?

SECOND: What other than the fuses could be the cause of this?

Other than a GHOST IN THE MACHINE ;-p



thanks, Patrick
#86954
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Posted 8/25/2007 8:56 PM
burqueDOKA
Elite Veteran




Date registered: Jul 2006
Location: Albuquerque, NM
Vehicle(s): 1550L37Doka, 404 ROCKMOG, '00 G500
Posts: 622
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RE: HELP !!! Cannot Unlock Gas Door

Well I'll be dipped in sh*t. I had no idea the fuel door locks w/ the rest of the doors I saw your post and thought "what the hell are you talking about" I ran out to my G to check before I wrote a "what the hell are you talking about" reply. Geeze, just when you think you know it all!!
#86957 - in reply to #86954
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Posted 8/25/2007 9:12 PM
J.R.
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Date registered: Apr 2006
Location: Southern Maryland
Vehicle(s): 00 G500, 09 911 4S, 11 Cayenne S, 86 280GE (sold)
Posts: 749
500
RE: HELP !!! Cannot Unlock Gas Door

I presume you are referencing your 2000 G500.

Go to page 12 of your Exterior Owner's Manual book. It will describe the locking system reset.

Just in case you don't have it:

- Direct the remote control transmitter at the receiver in the interior mirror and press the transmit button twice briefly
- within 30 seconds, turn the key to position 2 in the ignition lock
- after this the locking system will again be operational

If this doesn't work post again. There is additional info in the WIS
#86958 - in reply to #86954
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Posted 8/25/2007 9:19 PM
J.R.
Elite Veteran




Date registered: Apr 2006
Location: Southern Maryland
Vehicle(s): 00 G500, 09 911 4S, 11 Cayenne S, 86 280GE (sold)
Posts: 749
500
RE: HELP !!! Cannot Unlock Gas Door

The fuel filler flap manual release is described on page 23 of the Exterior manual.

Remove edge protection and rear panel trim from right rear door pillar. Pull upwards on the strap until the tank flap releases.

#86959 - in reply to #86954
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Posted 8/25/2007 10:09 PM
DUTCH
Administrator Doppelgänger




Date registered: Apr 2006
Location: US, GA, Atlanta
Vehicle(s): 2000 G500 NMLE, 2015 Audi Q7 3.0 TDI
Posts: 9775
5000
RE: HELP !!! Cannot Unlock Gas Door

Patrick / Regina - 8/25/2007 8:21 PM

Something is up with our electrical system... The door locking system is inoperable. When I use the remote, all I get is either a flashing red or green indicator (rear view mirror) combined with either left or right turn signal flash of front fender lights.

thanks, Patrick


Are the red and green flashing simultaneously or alternately? Alternately means a low battery in the remote. Simultaneously, indicates a major electrical fault in the truck - probably in the K40 Relay or the main ECU..
#86961 - in reply to #86954
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Posted 8/26/2007 1:39 PM
Patrick / Regina
Member


Date registered: Apr 2006
Location: Easley & Mount Pleasant / South Carolina
Vehicle(s): 2000 G500 / 2004 & 2005 Sprinter / 1987 300SDL +
Posts: 39
25
Re: HELP !!! Cannot Unlock Gas Door

97 G320

3 red flashes or 1 green flash on the rear view mirror... tried two different keys and get the same response.

Greatest confusion is that when I pull up or push down on the driver's door lock, there is no electrical response. Usually this will electronically lock or unlock all doors. I fly out on Monday for Houston/Colorado Springs for 9 days and was in hopes of at least filling up. Regina is driving the 320 as the 500 is waiting on some part...

She will simply drive my pick 'em up truck if I cannot resolve door lock issue before leaving.

I will have to take out the rear jump seat to access the back panel, but will do so hopefully this afternoon, weather permitting.

Thanks for your (y'alls) help, humor, and advice... keep it coming.

The delay in parts combined with these mysterious problems contribute to the "replace the G blasphemy" sometimes heard when these issues occur at inconvenient times... wouldn't be as tough if we didn't have 4 little ones.

Thanks,
Patrick
#87011 - in reply to #86954
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Posted 8/26/2007 2:29 PM
DUTCH
Administrator Doppelgänger




Date registered: Apr 2006
Location: US, GA, Atlanta
Vehicle(s): 2000 G500 NMLE, 2015 Audi Q7 3.0 TDI
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Re: HELP !!! Cannot Unlock Gas Door

Patrick / Regina - 8/26/2007 1:39 PM

97 G320

3 red flashes or 1 green flash on the rear view mirror... tried two different keys and get the same response.


Is the vehicle's battery fully charged?

It sounds like you may have a loose or broken connection in the driver's door.
#87014 - in reply to #87011
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Posted 8/26/2007 2:31 PM
DUTCH
Administrator Doppelgänger




Date registered: Apr 2006
Location: US, GA, Atlanta
Vehicle(s): 2000 G500 NMLE, 2015 Audi Q7 3.0 TDI
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Correction

DUTCH - 8/25/2007 10:09 PM

Patrick / Regina - 8/25/2007 8:21 PM

Something is up with our electrical system... The door locking system is inoperable. When I use the remote, all I get is either a flashing red or green indicator (rear view mirror) combined with either left or right turn signal flash of front fender lights.

thanks, Patrick


Are the red and green flashing simultaneously or alternately? Alternately means a low battery in the remote. Simultaneously, indicates a major electrical fault in the truck - probably in the K40 Relay or the main ECU..


CORRECTION !

Alternate flashing in the mirror indicates a problem. Simultaneous flashing in the mirror is a low remote battery. I see this latter when it's cold; and the remote has been outside in cold weather.

Note: This is on my 2000 G500. Not sure it it's the same for the 97 G320
#87015 - in reply to #86961
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Posted 8/26/2007 2:33 PM
CaptnPete

Date registered: Dec 1899
Location:
Vehicle(s):
Re: HELP !!! Cannot Unlock Gas Door

Have you put fresh batteries into your keys? Walmart item: Photo section CR-2025
#87018 - in reply to #86954
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Posted 8/26/2007 5:03 PM
Patrick / Regina
Member


Date registered: Apr 2006
Location: Easley & Mount Pleasant / South Carolina
Vehicle(s): 2000 G500 / 2004 & 2005 Sprinter / 1987 300SDL +
Posts: 39
25
Re: HELP !!! Cannot Unlock Gas Door

It sounds like you may have a loose or broken connection in the driver's door.



... ? this means I should carefully dismantle the door and explore?


I will replace key batteries, but not sure how this might affect the nob that locks/unlocks the door system...

I will try these things and keep you (y'all) posted.

#87026 - in reply to #87014
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Posted 8/26/2007 5:07 PM
DUTCH
Administrator Doppelgänger




Date registered: Apr 2006
Location: US, GA, Atlanta
Vehicle(s): 2000 G500 NMLE, 2015 Audi Q7 3.0 TDI
Posts: 9775
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Re: HELP !!! Cannot Unlock Gas Door

Patrick / Regina - 8/26/2007 5:03 PM

It sounds like you may have a loose or broken connection in the driver's door.



... ? this means I should carefully dismantle the door and explore?


I will replace key batteries, but not sure how this might affect the nob that locks/unlocks the door system...

I will try these things and keep you (y'all) posted.

:err:

The fact that the driver's door lock knob won't open or close the other locks tells me that the problem is there. . . . . . . . . . . . . . somewhere.

There's not a lot of help in the WIS that is specific to the driver's door; but, if you want the info, send me an email with yous. I'll scan and send it to you as a PDF. Please be sure to include your VIN in the email, so I can be sure to send you the right stuff.
#87027 - in reply to #87026
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Posted 8/26/2007 5:17 PM
DUTCH
Administrator Doppelgänger




Date registered: Apr 2006
Location: US, GA, Atlanta
Vehicle(s): 2000 G500 NMLE, 2015 Audi Q7 3.0 TDI
Posts: 9775
5000
Manual Fuel Door Unlock

This will show you how to open the fuel door manually.



Attachments
----------------
Attachments Manual Fuel Door Open.pdf (81KB - 32 downloads)
#87030 - in reply to #86954
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Posted 8/26/2007 5:35 PM
nadd
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Date registered: Apr 2006
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Vehicle(s): G55 ART LHD, numerous Chevys
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Re: HELP !!! Cannot Unlock Gas Door


I will have to take out the rear jump seat to access the back panel, but will do so hopefully this afternoon, weather permitting.


That shouldn't be necessary, the panel is fairly slim...as you probably found out.
#87032 - in reply to #87011
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Posted 8/26/2007 6:13 PM
CaptnPete

Date registered: Dec 1899
Location:
Vehicle(s):
Re: HELP !!! Cannot Unlock Gas Door

If you are getting all these crazy messages from your car, have you tried starting it?

Usually it will refuse to start when it senses that the door opening procedure is not correct.

What good is it to open the filler door, when the car is not going to start anyway?
#87034 - in reply to #86954
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Posted 8/26/2007 9:07 PM
Patrick / Regina
Member


Date registered: Apr 2006
Location: Easley & Mount Pleasant / South Carolina
Vehicle(s): 2000 G500 / 2004 & 2005 Sprinter / 1987 300SDL +
Posts: 39
25
Re: HELP !!! Cannot Unlock Gas Door

97 G320 Runs fine and has been... it just all of a sudden on Friday decided to give the electronic door locking system a vacation...

I easily removed the back corner panel, pulled the manual release, and opened the door.

No real time to dismantle the driver's door for now... not until my return in 10 days...

Thanks for all the help.
Faithfully,
Patrick
#87047 - in reply to #86954
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Posted 9/17/2007 7:02 AM
J.R.
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Date registered: Apr 2006
Location: Southern Maryland
Vehicle(s): 00 G500, 09 911 4S, 11 Cayenne S, 86 280GE (sold)
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Re: HELP !!! Cannot Unlock Gas Door

Patrick,

Are you back from vacation and have you had any luck sorting out the issue(s)?
#89035 - in reply to #87047
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Posted 9/17/2007 8:58 AM
Braingears
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Date registered: Apr 2006
Location: St Petersburg, FL
Vehicle(s): G320 & ML320
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RE: HELP !!! Cannot Unlock Gas Door

Do a search on this forum for when I was working on the door locks. You can directly ground one of the wires in order to "manually" release the locks. I can send you the wiring diagrams if you like...
#89043 - in reply to #86954
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Posted 9/17/2007 5:29 PM
J.R.
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Date registered: Apr 2006
Location: Southern Maryland
Vehicle(s): 00 G500, 09 911 4S, 11 Cayenne S, 86 280GE (sold)
Posts: 749
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RE: HELP !!! Cannot Unlock Gas Door

Braingears - 9/17/2007 8:58 AM

Do a search on this forum for when I was working on the door locks. You can directly ground one of the wires in order to "manually" release the locks. I can send you the wiring diagrams if you like...


Heck, I'd like a copy of that!
#89081 - in reply to #89043
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Posted 6/30/2019 2:32 PM
gm2000
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Date registered: Jun 2019
Location: Saint Jseph MI
Vehicle(s): 1999 g320, 240gd
Posts: 10

RE: HELP !!! Cannot Unlock Gas Door

following with the HELP! theme. I have a Euro Spec G320 (1999 V6) Locks all work fine but i cannot open the gas door. I removed the back panel to do the manual release but it does nothing. Any suggestions other than ripping the door off? is this a fuse issue? Is there just a fuse for this?
#240805 - in reply to #86954
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Posted 6/30/2019 5:46 PM
DUTCH
Administrator Doppelgänger




Date registered: Apr 2006
Location: US, GA, Atlanta
Vehicle(s): 2000 G500 NMLE, 2015 Audi Q7 3.0 TDI
Posts: 9775
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RE: HELP !!! Cannot Unlock Gas Door

gm2000 - 6/30/2019 2:32 PM

following with the HELP! theme. I have a Euro Spec G320 (1999 V6) Locks all work fine but i cannot open the gas door. I removed the back panel to do the manual release but it does nothing. Any suggestions other than ripping the door off? is this a fuse issue? Is there just a fuse for this?


Where are you located? There's no fuse in the manual pull release on the inside of the trim panel.
#240806 - in reply to #240805
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