Question about 1996 GMC Yukon

1 Answer

Courtesy lights do not work when any door are opened. the dash courtesy reastat will turn all the lights on just as with the door opening would when functional. is there some other relay or something else that controls all the door switches because no doors put the lights on now, confusing to me but must be very logical. Tony tonyn@divcomgroup.com

Posted by on

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points

    MVP:

    An expert that got 5 achievements.

    Governor:

    An expert whose answer got voted for 20 times.

    Hot-Shot:

    An expert who has answered 20 questions.

  • Expert
  • 175 Answers

Check to see if your "Dome Overide" is activated

Posted on May 15, 2009

  • Dick Redman Nov 01, 2012

    OMG I feel stupid. And I'm not. I fix most of my neighbors vehicles for them. I cannot believe I have had this vehicle for over 8 year and never knew there was a "Dome Override" button. Thank you.

×

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

I have a 2007 Buick Lucerne and the front reading lamps won't turn off.


Overhead Console Lamp and Roof Rail Courtesy/Reading Lamps
The courtesy/reading lamp is a duel purpose lamp that can be illuminated two different ways. First, the lamp can be turned ON during courtesy lamp operation as described above. Second, the lamps can be turned ON individually for reading lamp operation by the lamp switch. The BCM supplies battery voltage from the INT LAMPS fuse through the inadvertent power courtesy lamps circuit to the courtesy/reading lamps for reading lamp operation only. Ground for the courtesy lamp module or the roof/rail reading lamps is provided at G402

Courtesy Lamps
When either one of the front doors is opened, ground is applied through the door latch door open switch and the door open switch signal circuit to the door module indicting the door open position. In response to this signal, the door module sends a GMLAN serial data message to the BCM of the door open position. Or, when either one of the rear doors is opened, ground is applied through the door latch door open switch and the rear door open switch signal circuit to the BCM is indicating the rear door open position. Once a door open message or signal received, the BCM will then apply battery voltage from the CTSY/RF TRN fuse through the courtesy lamp supply voltage circuits illuminating the lamps listed below:
• Overhead console lamp
• Roof rail courtesy lamps
• Footwell courtesy lamps The BCM receives battery voltage from the INT LAMPS fuse in order to supply power to the inadvertent courtesy lamps. Inadvertent power courtesy lamp feature provides a similar function for the interior lamps as a retained accessory power feature. The BCM will energize the courtesy lamps supply voltage circuit when the BCM is in the active state (awake). When the inadvertent power courtesy lamps supply voltage circuit is energized, it supplies voltage to all the interior lights listed below. The BCM will continue to supply voltage to the interior lamps after the ignition is turned OFF so that the interior lamps may be operated.
• Overhead Console Reading Lamps
• Roof Rail Reading Lamps
• Vanity Mirror Lamps
• I/P Compartment Lamp
• Rear Compartment Courtesy Lamp
In the event that any of these lamps were to remain illuminated for a period of more than 20 minutes with the ignition switch in the OFF position and no BCM input activity, the BCM will deactivate the inadvertent power supply voltage circuit to prevent a total battery discharge condition. The BCM receives battery voltage from the CTSY/RF TRN fuse in order to supply power to the courtesy lamps. The BCM applies this voltage to the courtesy lamps through the courtesy lamp supply voltage circuits. When any door is opened, the door open switch contacts close and the BCM receives a door-open signal. If the BCM receives a door lock or unlock signal, the BCM will activate the courtesy lamp supply voltage circuit, providing battery voltage to the dome lamps and the left and right footwell courtesy lamps. The courtesy lamps can be manually activated by placing the interior lamp switch in the DOME position. For more detailed information concerning courtesy lamp operation refer to Interior Lighting Systems Description and Operation.

Jan 16, 2017 | Buick Cars & Trucks

1 Answer

My interior light won't come on in my 1999 Buick Lesabre. I have checked the bulb & the fuse. Can anyone help me with this problem? Any ideas are sincerely appreciated.


Courtesy Lights
The courtesy lights come on under the following conditions:
?€¢
Any door is opened.


?€¢
The interior lamp switch is in the ON position.


?€¢
The keyless entry transmitter unlocks the doors (illuminated entry).

When the key is removed from the ignition switch with all of the doors closed, the courtesy lights light for approximately 25 seconds before fading out.
Battery positive voltage (B+) is applied at all times through the IP fuse block CTSY LP/PWR MIR fuse 6A via CKT 640 (ORN) through the body control module (MALL) to the courtesy lights via CKT 1732 (ORN). The MALL provides a ground through CKT 156 (WHT) for the courtesy lights under the following conditions:
?€¢
The MALL receives an input from a door being opened.


?€¢
The MALL receives an input from the interior lamp being turned ON.


?€¢
The MALL receives an input from the doors being unlocked using the keyless entry transmitter.

The courtesy lamps then light.
When the courtesy lights are activated by opening and closing a door, the courtesy lights will remain on for approximately 25 seconds before fading out after all of the doors are closed. If the ignition switch is turned to START or RUN within the 25 seconds, the lights immediately begin to fade out. If a door is left open, the MALL removes battery positive voltage (B+) to the courtesy lights after 10 minutes. When the courtesy lights are activated by the interior lamp switch, the lights remain on as long as the interior lamp switch is in the ON position. When the courtesy lights are activated by unlocking the doors using the keyless entry transmitter, the lights remain on for approximately 40 seconds. If the doors are locked using the keyless entry transmitter within the 40 seconds, the lights immediately begin to fade out.
Body Control Module (MALL) Diagnostic Mode
For a detailed explanation of the MALL module diagnostic mode, refer to Body Control Module Cell 51.
What interior light ? Dome , courtesy lights etc....They don't work with switch, keyless entry , door opening ?
What

Dec 03, 2015 | Buick Cars & Trucks

2 Answers

Interior lights


This is both a courtesy and safety issue on many high end vehicles. The light from the interior lights can cast enough light to get to front door and possibly show dangers in your path. And after first getting into you car and starting it, you can check the back seat for any unwanted hitchhikers. As for the 10 minute timer, I don't know if this can be adjusted. A Chiltons/Haynes repair manual for you car may have that answer, or, the Buick dealership shop foreman. Best of luck.

May 31, 2015 | 1998 Buick Park Avenue

2 Answers

The coutesy light does not come on when the door is opened every thing else works


If the bulb lights when another door is opened, replace the plunger switch in the jamb of the problem door.
If you are not getting a light when *any* door is opened, check your fuse (often labeled "Courtesy" or "CTSY" in your fuse box). Fuse box can be under the driver's side of the dash or in the engine compartment. Add a comment to your post with the year, make, and model of your vehicle for more specific details about the location of your fuse box, if needed.

Feb 12, 2015 | Cars & Trucks

1 Answer

Interior courtesy light


Page 116 and 117 of the manual explain that there's a two-position slide switch on the map light, DOOR and OFF. The back light has three positions, ON, Door Activated, and OFF.

Pages 116 and 117:
http://techinfo.honda.com/rjanisis/pubs/om/ACC080/ACC0808OM.pdf

Dec 12, 2013 | Honda Cars & Trucks

1 Answer

Dome and Courtesy Lights will not come on when any door is opened


Check and see if the lights come on with the passenger door, if so you have a defective courtesy light switch inside the door.

Oct 30, 2012 | 2004 Chevrolet Avalanche

1 Answer

Fiat doblo door open light stays on and doors won't lock


this is the door open light indicator on your instrument panel correct? it thinks the door is open. do interior courtesy lights work? i.e. turn on off when opening doors? check for "normally open" circuit faults in the door switches

Aug 27, 2012 | Fiat Doblo Cars & Trucks

1 Answer

93 buick regal courtesy lights stay on when car is off


One of your door sensors (or trunk sensor) is signaling that it is open or the dimmer switch is turned all the way up, which turns on the dome and foot lamps. Try turning the dimmer switch all the way down. If this does not fix the problem you will have to get all the door sensors (and trunk sensor) tested to determine which one needs to be replaced.

Mar 15, 2010 | Buick Regal Cars & Trucks

1 Answer

Courtesy lights don't work


You will need to test the Body Control Module, it controls the lights.

Jul 03, 2008 | 1996 Dodge Caravan

Not finding what you are looking for?
1996 GMC Yukon Logo

Related Topics:

345 people viewed this question

Ask a Question

Usually answered in minutes!

Top GMC Experts

yadayada
yadayada

Level 3 Expert

74241 Answers

Freddy

Level 3 Expert

1311 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22082 Answers

Are you a GMC Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...