'05 Crew Cab Power Locks - The 1947 - Present Chevrolet & GMC Truck Message Board Network

sdailey · 09-16-2010, 03:47 PM

I've owned my truck going on 3 years now and recently I've had problems with the rear doors not locking with the key fob or with the switch on the driver and passenger doors. The front doors lock fine. I've not taken it to the local dealer because I believe that's where the problem originated. Long story, but over the past year everytime I would have it serviced something on the truck would "magically" stop working when I picked it up where as it was working before I dropped it off. The door locks is the most recent issue. Before that the AC wasn't working when I picked it up. It was 110 degrees when I dropped it off, trust me I know the AC was working.

When I carried it back and complained they immediately jumped on it and fixed the "problem". The service guy wouldn't even tell me what was wrong with it. He just kept telling me they took care of me.

Anyway, I have since quit using that dealer because I don't trust them anymore.

Back to the original question, is there something I can check myself as to why the rear locks aren't working?

Thanks.

Jonboy · 09-16-2010, 04:28 PM

Shannon, pull the trim panel off and make sure the actuator is plugged in. The door lock actuator is part of the latch, so it made have "come" unplugged. They are going out left and right on the newer trucks (07-up), but I don't know if they were as problematic on the older ones.

sdailey · 09-20-2010, 11:21 AM

Thanks for the reply JB.

I failed to mention in my opening post that if I lock the rear doors manually they'll unlock with the key fob and with the switch on the driver's door. Does this change anything as far as what to check?

2003 silverado · 09-24-2010, 07:29 AM

My 03 Crew does the same thing . Its been over 2mos that it has happen.There were times i thought i had locked the doors only to find the rear doors were never locked????

4x4toy · 09-25-2010, 08:31 PM

GM has updated there relays for the power door locks. The are not expensive. The relays are located under the cover on the drivers side of the dash with the drivers door open. I had the same issue with mine, the contacts are worn out in the relays and need replaced.

2003 silverado · 09-25-2010, 09:02 PM

Thanks do you have a part #?

4x4toy · 09-26-2010, 11:47 AM

Part numbers-

Numbers on the relays are as follows,
New 13502751 made by Denso in Japan
Old 15328867 made by Delphi in Korea

Numbers on the bag for the new relays are,
GM# 19116058
AC Delco #D1780C

2003 silverado · 09-26-2010, 08:04 PM

Thank you Havent had the problem for some time yet

sdailey · 09-29-2010, 07:01 PM

Quote:

Originally Posted by 4x4toy

GM has updated there relays for the power door locks. The are not expensive. The relays are located under the cover on the drivers side of the dash with the drivers door open. I had the same issue with mine, the contacts are worn out in the relays and need replaced.

Quote:

Originally Posted by 4x4toy

Part numbers-

Numbers on the relays are as follows,
New 13502751 made by Denso in Japan
Old 15328867 made by Delphi in Korea

Numbers on the bag for the new relays are,
GM# 19116058
AC Delco #D1780C

Just wanted to say thanks for passing along this information. I replaced the relays and it fixed my door lock issue.

Thanks again.

JohnC · 09-30-2010, 11:27 AM

Glad to hear that fixed it. Another success story thanks to the wonderful members here!

4x4toy · 10-06-2010, 12:10 PM

No problem, glad I could help keep a vehicle or 2 out of the dealer.

CREWCABGMC · 12-27-2010, 08:45 PM

woo hoo, it worked for mine also. Thank you very much!!!!!!!!
I need to add that my wife thanks you also, She only lets me drive it on Saturdays when it needs gas and washing!!!

**davem815** · 11-03-2013, 10:07 PM

This old thread fixed my rear door locking problem. They would unlock fine, but would not lock. I tested by swiching the two relays and the problem reversed itself. $12 at the parts store and my door locks were fixed. Thanks to all!
2003 GMC Sierra 1500HD SLT, gas, original owner, 80k miles

4x4toy · 11-05-2013, 06:32 AM

No problem. Glad I could help you fine folks.

fastnloud · 11-17-2013, 04:09 PM

I have a 2006 crewcab. My driver side rear door will not lock. I tried a relay it didn't fix it. Do I have to reset the battery or something to get the relay to work? Even when I manually lock the door , you can still open it. Anyone got any ideas?

**davem815** · 11-17-2013, 04:50 PM

In my case the bad relay affected both rear doors I did not have to do anything with the remote or the battery I also tested by switching the relays

fastnloud · 11-17-2013, 05:08 PM

Yeah, it's probably my door lock actuator.

09-16-2010, 03:47 PM	#1
sdailey The Few, The Proud Join Date: Jun 2007 Location: Ball Ground, Georgia Posts: 1,830	'05 Crew Cab Power Locks I've owned my truck going on 3 years now and recently I've had problems with the rear doors not locking with the key fob or with the switch on the driver and passenger doors. The front doors lock fine. I've not taken it to the local dealer because I believe that's where the problem originated. Long story, but over the past year everytime I would have it serviced something on the truck would "magically" stop working when I picked it up where as it was working before I dropped it off. The door locks is the most recent issue. Before that the AC wasn't working when I picked it up. It was 110 degrees when I dropped it off, trust me I know the AC was working. When I carried it back and complained they immediately jumped on it and fixed the "problem". The service guy wouldn't even tell me what was wrong with it. He just kept telling me they took care of me. Anyway, I have since quit using that dealer because I don't trust them anymore. Back to the original question, is there something I can check myself as to why the rear locks aren't working? Thanks. __________________ Shannon

09-16-2010, 04:28 PM	#2
Jonboy Slots go on anything! Join Date: May 2003 Location: Richardson, TX Posts: 5,957	Re: '05 Crew Cab Power Locks Shannon, pull the trim panel off and make sure the actuator is plugged in. The door lock actuator is part of the latch, so it made have "come" unplugged. They are going out left and right on the newer trucks (07-up), but I don't know if they were as problematic on the older ones. __________________ 1974 Jimmy- 5.3/4L80e/NP241

09-20-2010, 11:21 AM	#3
sdailey The Few, The Proud Join Date: Jun 2007 Location: Ball Ground, Georgia Posts: 1,830	Re: '05 Crew Cab Power Locks Thanks for the reply JB. I failed to mention in my opening post that if I lock the rear doors manually they'll unlock with the key fob and with the switch on the driver's door. Does this change anything as far as what to check? __________________ Shannon

09-24-2010, 07:29 AM	#4
2003 silverado Registered User Join Date: Apr 2010 Location: West Chester Pa Posts: 965	Re: '05 Crew Cab Power Locks My 03 Crew does the same thing . Its been over 2mos that it has happen.There were times i thought i had locked the doors only to find the rear doors were never locked???? __________________ !972 K5 Blazer,Highlander,A/C a twin to the one I Had 1972 K/5 Blazer CST Highlander 15YR project 2003 Silverado Crew 2500HD (Daily driver) 1997 Ford focus (Beater) 2003 ford Taurus (student) 2014 Ford Fusion HYB (wife) 2003 Jetta ( Student)

09-25-2010, 08:31 PM	#5
4x4toy Registered User Join Date: Jan 2009 Location: Southern Md Posts: 228	Re: '05 Crew Cab Power Locks GM has updated there relays for the power door locks. The are not expensive. The relays are located under the cover on the drivers side of the dash with the drivers door open. I had the same issue with mine, the contacts are worn out in the relays and need replaced. __________________ 04 Yukon XL 2500 w/ Quadrasteer 61 Chevy C60, 261 inline six 86 Chevy C20 2wd, Banks 6.2 05 GMC Sierra 2500hd Duramax

09-25-2010, 09:02 PM	#6
2003 silverado Registered User Join Date: Apr 2010 Location: West Chester Pa Posts: 965	Re: '05 Crew Cab Power Locks Thanks do you have a part #? __________________ !972 K5 Blazer,Highlander,A/C a twin to the one I Had 1972 K/5 Blazer CST Highlander 15YR project 2003 Silverado Crew 2500HD (Daily driver) 1997 Ford focus (Beater) 2003 ford Taurus (student) 2014 Ford Fusion HYB (wife) 2003 Jetta ( Student)

09-26-2010, 11:47 AM	#7
4x4toy Registered User Join Date: Jan 2009 Location: Southern Md Posts: 228	Re: '05 Crew Cab Power Locks Part numbers- Numbers on the relays are as follows, New 13502751 made by Denso in Japan Old 15328867 made by Delphi in Korea Numbers on the bag for the new relays are, GM# 19116058 AC Delco #D1780C __________________ 04 Yukon XL 2500 w/ Quadrasteer 61 Chevy C60, 261 inline six 86 Chevy C20 2wd, Banks 6.2 05 GMC Sierra 2500hd Duramax Last edited by 4x4toy; 09-26-2010 at 03:37 PM. Reason: Corrected part #s

09-26-2010, 08:04 PM	#8
2003 silverado Registered User Join Date: Apr 2010 Location: West Chester Pa Posts: 965	Re: '05 Crew Cab Power Locks Thank you Havent had the problem for some time yet __________________ !972 K5 Blazer,Highlander,A/C a twin to the one I Had 1972 K/5 Blazer CST Highlander 15YR project 2003 Silverado Crew 2500HD (Daily driver) 1997 Ford focus (Beater) 2003 ford Taurus (student) 2014 Ford Fusion HYB (wife) 2003 Jetta ( Student)

09-30-2010, 11:27 AM	#10
JohnC Registered User Join Date: Feb 2009 Location: Oklahoma Posts: 7,461	Re: '05 Crew Cab Power Locks Glad to hear that fixed it. Another success story thanks to the wonderful members here!

10-06-2010, 12:10 PM	#11
4x4toy Registered User Join Date: Jan 2009 Location: Southern Md Posts: 228	Re: '05 Crew Cab Power Locks No problem, glad I could help keep a vehicle or 2 out of the dealer. __________________ 04 Yukon XL 2500 w/ Quadrasteer 61 Chevy C60, 261 inline six 86 Chevy C20 2wd, Banks 6.2 05 GMC Sierra 2500hd Duramax

12-27-2010, 08:45 PM	#12
CREWCABGMC Registered User Join Date: Sep 2010 Location: Independence, MO. Posts: 103	Re: '05 Crew Cab Power Locks woo hoo, it worked for mine also. Thank you very much!!!!!!!! I need to add that my wife thanks you also, She only lets me drive it on Saturdays when it needs gas and washing!!! Last edited by CREWCABGMC; 12-29-2010 at 11:01 AM.

11-03-2013, 10:07 PM	#13
davem815 Senior Member Join Date: Jun 2013 Location: Warren, IN Posts: 313	Re: '05 Crew Cab Power Locks This old thread fixed my rear door locking problem. They would unlock fine, but would not lock. I tested by swiching the two relays and the problem reversed itself. $12 at the parts store and my door locks were fixed. Thanks to all! 2003 GMC Sierra 1500HD SLT, gas, original owner, 80k miles

11-05-2013, 06:32 AM	#14
4x4toy Registered User Join Date: Jan 2009 Location: Southern Md Posts: 228	Re: '05 Crew Cab Power Locks No problem. Glad I could help you fine folks. __________________ 04 Yukon XL 2500 w/ Quadrasteer 61 Chevy C60, 261 inline six 86 Chevy C20 2wd, Banks 6.2 05 GMC Sierra 2500hd Duramax

11-17-2013, 04:09 PM	#15
fastnloud Registered User Join Date: Dec 2012 Location: USA Posts: 209	Re: '05 Crew Cab Power Locks I have a 2006 crewcab. My driver side rear door will not lock. I tried a relay it didn't fix it. Do I have to reset the battery or something to get the relay to work? Even when I manually lock the door , you can still open it. Anyone got any ideas?

11-17-2013, 04:50 PM	#16
davem815 Senior Member Join Date: Jun 2013 Location: Warren, IN Posts: 313	Re: '05 Crew Cab Power Locks In my case the bad relay affected both rear doors I did not have to do anything with the remote or the battery I also tested by switching the relays



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11-17-2013, 05:08 PM	#17
fastnloud Registered User Join Date: Dec 2012 Location: USA Posts: 209	Re: '05 Crew Cab Power Locks Yeah, it's probably my door lock actuator.

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