ECM programming, Tech2, MDI
Hi there, what exactly do I need to program the ecm in my 2007 STS? The ecm was replaced and the car wont start now. I hope anyone here is familiar with programming and could give me exact information....
View ArticleP0480 error need help with troubleshooting
My 2008 STS V6 3.6L - Code error 480. Replaced both Fan motor relays. Replaced Battery. Engine warning light reset. Came back on. Next move is replace Engine temperature sensor. Any information and/or...
View ArticleLocation of remote keyless entry receiver for 2006 STS
anybody know the Location of Remote keyless entry receiver for 2006 STS has a push button start fob not working only start with fob in center counsel pocket thank you craig
View Articledoor lock repair sticky?
A long time ago I believe there was a sticky on top of the thread about how to repair a bad door lock for cheap. I have a friend who has a 2012 STS model and he cannot open the passenger door anymore....
View ArticleLOUD Beep coming from back seat or trunk
Over the past week or so my car will emit a very loud short beep or pop. It sounds like it's coming from the back seat area. Today, however, the beep lasted about a minute and drove me nuts while I was...
View ArticleSTS used 4.6 N* engine replacement
My Timing chain Broke on my 2005 STS and I took off valve cover and found pieces of rocker arm on head. I figure it smack pistons hard and it would cost much to rebuild engine. So I found a used motor...
View Article2009 STS highway vibration
Hi! I have a 2009 sts with you 105,000 miles. It is rwd with the northstar. I’m having a vibration issue at around 75+ mph. It is in the steering and the seats. It seems to not be as noticeable on...
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2006 STS, V6 3.6L, MAP sensor location
I am having the hardest time trying to locate my Manifold Absolute Power (MAP) Sensor. Below is a picture of the one for a Caddy 3.6L Engine: I found the BARO Sensor towards the back of the engine...
View Article2009 STS 4.6 Northstar no power steering
Hello everyone, My son is away at school and called to tell me he has no/little power steering. I went to check it myself and at standstill or rolling the wheel is very difficult to turn. Seems harder...
View ArticleMetal Shavings in my oil filter
My car has been down for a while and i recently started it up and it stalled after a little bit of driving i brought it home and i come to find out it has no oil which in hindsight i shouldve checked i...
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5.5 amp battery draw with everything off
Battery draw was 4.8 to 5.7 with everything off. Removing the four heated seats 60 amp fuses under the hood brings it down to a steady 2.26 amp draw. I haven't been able to find the remaining draw. Is...
View ArticleNew way to steal your STS
http://www.technologyreview.com/computing/27037/?a=f The down side would be that they couldn't restart the car after they shut it off (unless they did it within the allotted time).
View ArticleDoor handle fails to open without key 2006 STS
Hello, Once again the door handles have failed to unlock the doors without using the key. Then getting into the car and opening the passenger door from the inside. My question is, are there any...
View Article2005 STS overheat?
Okay I have a 05 Cadillac STS I love this car runs great it's fast luxury sounds good then I had the problem with overheating I changed the lines the thermostat I put a new radiator cap well overflow...
View ArticleShift to park will not shut off and continues to ding
Switches found lose at bottom of shifter.does anyone have,or know where i can find a diagram on where they go,there are 2 of them with spring switches
View Article2006 STS misfires
I have 2006 STS I have cylinder 4 @ 6 misfiring and change coils spark plugs and injectors and I still having the misfire there anything else I can try I have 2006 STS I have cylinder 4 @ 6 misfiring...
View ArticleStarting disabled theft problem
After engine swaping i can't get it running. It stalls after 2 sec. Do to theft system problem.No symbol or indicator flashing ,i did the 30 min procedure and it's still locked.. New batterys in the...
View Article2006 STS-V shifter assembly 19179513
My 2006 STS-V has an issue where the shifter will not come out of park. I have tried to find the part in question, GM 19179513, but am told that GM no longer supports the shifter assembly. Is anyone...
View Article2006 STS 4.6L - CEL; P0068 and P1101; Smoke test reveals strange leak, help?
Hello, this forum is great and I really appreciate it. It already had helped with a lot of trouble diagnosis, to go through already existing threads and read them through. Thanks! But I’m still left...
View Article2005 STS inoperable driver door
I purchased a 2005 Cadillac STS just over a year ago and have had a problem with my driver’s side front door not responding to the fob or pulling on the handle. This has occurred intermittently over...
View ArticleBoth headlight low beams quit working
2008 STS with Halogen The brights work fine but no low beams when pulling the stalk to the rear position. I replaced the low beam relay but no joy. Is it possible that both low beam bulbs went out...
View Article2005 head bolts 4.6
So what I see in many articles is being they had problems with fine thread head bolts in earlier years of the Northstar. . Mine is a 2005 4.6 Since I'm replacing my engine with a low mile used engine....
View ArticlePersonalize setting
Guys I am hoping someone here can clarify how to set up some of the personal settings, the manual is horrible with explaining it, my car has nav and I am looking to have the seat and wheel retract when...
View ArticleCar won't start, sometimes
Been a while since I posted, meaning my STS has been running fine. But...I do have a problem. Occasionally, getting more frequent, it won't start. I enter, foot on brake, key in pocket, press Start,...
View ArticleStability Control system always on
Only after I put gas in one brake will go on i press on the brake pedal it stops doing it doesn't happen all the time
View ArticleDone lurking
I have picked up some very useful info from this forum, and thought I would stop lurking. Retired, and into having a lot of cars and equipment. The Cadillac thing started with a 2007 Escalade EXT (the...
View ArticleSTS V-Series hood
Hi guys, two months ago I made a post on this forum to see if anyone could guide me to a cadillac sts v-series hood as I wanted to upgrade my stock caddy hood (after it crumpled due to a collision with...
View Article06 STS4 4.6L ignition wiring diagrams
Hello I'm looking for a ignition wireing schematic for my car can anyone help?
View ArticleStutter/rpm drop when shifting
I’m having trouble finding out what’s been causing this stutter when my car downshifts. When driving and the car downshifts there will sometimes be a shutter and the rpm’s will drop and then it goes...
View ArticleStarting disabled theft problem
Ok so I have the 2005 3.6l sts I got my new engine in today and it says "starting disabled theft problem" I have tried everything I seen on this site about disabling it. As far as putting the key in...
View ArticleFOB fixed, so far
I've had several STS cars and they all developed unreliable FOB communications. The problem is when the car is approached the doors unlock but when inside pushing the dash start button won't start the...
View ArticleHelp finding correct front grille emblem
The car is a 2005 Sts v8 with a missing grill emblem. Honestly I have never seen this grill style on the road and not even online but I was able to find an actual picture of the grill. There is also a...
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3.6 chain folly?
I do headgaskets on Chevy 3.4 suvs. Done 8 so far. I see many equinoxes with bad 3.6 motors. I have not done one of those. I’m pretty talented. Is a 3.6 sts chain job a waste of time? I assume access...
View ArticleSTS parts compatibility
Does anyone know if the STS shares any parts, such as hood, grill, bumper, or headlight with other vehicles?
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