Question about 2003 Chevrolet Tahoe

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I keep getting a dashboard message that my right rear door is ajar. Then it goes back to normal. this is a recurring problem

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Check the rear door dome light switch located in the latch assy

Posted on Dec 30, 2010

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The alarm goes off by itself..I am no where near the key


very old post... choices?? i will try to help others fix ALARMS.
Jeep WK. 2005 to 2010
what id do? , is never set it. or defeat it. (ask)( the oper,guide tells this)

but if it MUST work than it must be fixed.
the dealer would use a scan tool , see no errors and replace something exensive, then it fails again. the endless story of alarms.
in your case he'd install the TSB fix first.
He'd use a DRBIII scan tool to find the offending input.
The BCM (body puter ) gets the sensor inputs belowL

The BCM receives the ajar switch signals on the following circuits.
  • Circuit G75 provides left front door ajar switch signal
  • Circuit G74 provides right front door ajar switch signal
  • Circuit G77 provides left rear door ajar switch signal
  • Circuit G76 provides right rear door ajar switch signal
  • Circuit G78 provides liftgate ajar and liftglass ajar signals.
the hardest problems are always intermittants.
Intermittent alarms and stalling engines, tops list.
finding it? , with out sleeping in the car is a big problem.

also there is TSB on this.
Swing gate open alarm.
http://www.jeepforum.com/forum/f67/2008-wk-liftgate-open-message-746268/#post13865598

the hard part, is finding out which inputs is (was) failing.
in my car i can find it with a scan tool .
newer cars store the failed input in the PCM memory. as a DTC.

In my shop I have a CAN-BUSS monitoring tool that allows me
to see live AJAR messages and logs them to the laptop, HDD.
for later analysis. (ok the lift gate failed at 3am, bingo)
my 2008 logs, DTCS like this.
B1820-HOOD AJAR INPUT CIRCUIT HIGH (and all others)
i have a scan tool that can see that , called a innova 3160
a $200 tool,
I have 2 ways to find intermittent in my newer jeep

2006; WK?
FSM quotes with comments.
VTSS VERIFICATION TEST - 1A Diagnostic Test
1. Perform VTSS Verification Test
  • Open the driver door and roll down the window.
  • Remove the ignition key (but keep in hand).
  • Lock the doors with RKE transmitter or power door lock switch.
  • Ensure all doors, tailgate, and tailgate flip-up glass are closed.
  • If the VTSS Indicator Lamp flashes rapidly and after approximately 16 seconds changes to a slower flash, the system is operational. However, If the indicator fails to flash as described, there is a problem with the system.
  • comment: gee, attempt to rattle all doors, and see if VTSS sees a failure. all doors, lift gate and hood, (if car has hood switch)
the FSM shows the B1xx and B2xxx codes for alarms.
only a scan tool can do that. mine can,
you can also rent cheap CAN-BUS scan tools, from most good
autostores.
that should cover most alarming issues.
but here is one better for older jeeps.
see matrix table for coverage by body type.
http://autorepair.about.com/library/a/1h/bl903h.htm





Aug 13, 2013 | 2006 Jeep Grand Cherokee

1 Answer

The rear door automatic lock keeps going on and off and the bell keeps chiming by itself especially in the rain and when I hit a bump in the road, how can I stop this?


this is usually an issue with the door switch, check the door for correct adjustment, if ok test out the door switch

Jun 15, 2012 | 2000 Dodge Caravan

1 Answer

I keep getting a message stating that the right rear door is ajar, but when i close it properly it still says the door is ajar. the dome lights stay on and the driver door does not lock


go to a chevy dealer and buy a door switch for your vehicle at the parts department. if you are courteous and patient, the parts guy may even give you a tip on installing it and finding the location of the old one. they generally either screw or snap in. this is a dealer item, not a parts store item.

Apr 28, 2011 | 2003 Chevrolet Suburban 1500

1 Answer

2003 Jetta Door ajar light keeps coming on and


You need to replace the door jamb switch. Little button on the door jamb that is pressed in when doors are shut.

May 03, 2010 | 2003 Volkswagen Jetta TDI

1 Answer

I have a 2006 cadillac cts. on the message center (stereo) it keeps saying "right rear door ajar" the door is closed but the message keeps displaying. the most annoying part is that it continues to beep....


You must first see if you can make the light go off by manually pressing the switch in the door jam. If the light goes off, either the switch is out of adjustment or the door is. Good Luck! I hope you find this to be very helpful!

Feb 05, 2010 | 2006 Cadillac CTS

1 Answer

Clicking coming from rear right panel in 2003 Lincoln Navigator.


it sounds like you have a door ajar switch issue if it says "door open" when it's not. Is it clicking in the passenger rear door or in the storage area behind the rear seat behind the right trim panel?
The liftgate wiring may be back there.
Your door lock & unlock relays are in the vehicle security module which is under the center area of instrument panel.
I looked at the wirng diagram and don't see too much back there.
Let me know what you find on where the clicking is coming from.
We'll go from there

May 25, 2009 | 2003 Lincoln Navigator

2 Answers

98 Continental please help me>>>>>>>>


if the car is up too high then i would try to locate where the leveling sensor is,im not sure where to look,i havent had to work on a Lincoln in a while

Apr 25, 2009 | 1998 Lincoln Continental

1 Answer

Dome lights intermittently flash on and off in a 1996 Jeep


If it has automatic or a domelight that stays on for a while after you shut the door is on a timer relay and that is probably getting bad. As far as the door ajar message there is a switch in the door jam, look and see if you see it. Take wd40 and try to soak the switch try to get it inside the switch.If its incorporated in the door latch spray back inside the door latch real good. Open and close the door several times and see if it works then.

Nov 24, 2008 | 1996 Jeep Grand Cherokee

1 Answer

Door ajar


Hi,

Often, intermittent "Door Ajar" warning is indicative of a faulty switch. The switch is normally embedded into the body and is triggered by the door pushing on a rubber cover. They are normally located at the rear edge of the door opening. A 1997 Ford Explorer would have a switch similar to the image below.
b4e4128.jpg
It is highly probable that the switch has some corrosion causing it to engage every now and then. Another probability is that the rubber cover has come loose causing vehicle vibration to engage the switch.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Jul 02, 2008 | 1997 Ford Explorer AWD

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