Had the same problem on my 2006 STS V6. Hard to believe, but the problem traced to a bad passenger side window switch. Crack open the window during rain and it runs right to the window switch, and poof; you now have a serious electrical GHOST running around your entire electrical system. You cannot just change out the switch panel for the buttons, you also have to reprogram it as a new install. Once "installed" everything works fine. I also ordered some of those add-on rain shields for all 4 windows!!! If you prefer to; go ahead and do the standard "replace all suspected modules and switches" in the trunk, under hood, transmission, electronics in shift system, etc... (see following suggestions in comments) including the start button first; if you like to spend money for nothing. I did. The new switch was $100. The cost to trace it out was $100. Spent $1,000 before the $200 fix. Mechanics don't refund labor or parts cost just because it didn't fix the problem. Suggest find a great electrical mechanic and keep him happy, rather than use a parts changer mechanic. Worth his weight in GOLD!
Yes... it's a very common issue. The switch is $37 and about 4 hours of labor to fix and a day to reinstall the shifter. I am in the process of fixing a 2008 STS I picked up with the same issue
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Had the same problem on my 2006 STS V6. Hard to believe, but the problem traced to a bad passenger side window switch. Crack open the window during rain and it runs right to the window switch, and poof; you now have a serious electrical GHOST running around your entire electrical system. You cannot just change out the switch panel for the buttons, you also have to reprogram it as a new install. Once "installed" everything works fine. I also ordered some of those add-on rain shields for all 4 windows!!! If you prefer to; go ahead and do the standard "replace all suspected modules and switches" in the trunk, under hood, transmission, electronics in shift system, etc... (see following suggestions in comments) including the start button first; if you like to spend money for nothing. I did. The new switch was $100. The cost to trace it out was $100. Spent $1,000 before the $200 fix. Mechanics don't refund labor or parts cost just because it didn't fix the problem. Suggest find a great electrical mechanic and keep him happy, rather than use a parts changer mechanic. Worth his weight in GOLD!
Check the the starter relay fuse that happen to me before I have 06 sts v6
Having the same problem rn
Did you ever figure it out it could be the Neutral safety switch because it’s not showing you the P on the cluster
@01AudiS4 did u ever find the problem? my car is doing the same exact thing
What’s was it ?
Having the same problem now
What was the issue
Common problem, search for the shift to park message on the Cadillac forums. There is a switch that goes bad. I saw the other fuse block video
Yes... it's a very common issue. The switch is $37 and about 4 hours of labor to fix and a day to reinstall the shifter. I am in the process of fixing a 2008 STS I picked up with the same issue
I have a shift to park message on my Cadillac 06 sts
I have a 2006 Cadillac STS V8 same problem need help please
I have same exact issue!!!! Did you get it figured out???? Thanks so much!!!!!
SAME HERE!!!!
for me it was the main fuse box
for me it was the main fuse box
I have that now
Lol. This is the micro switches in the gear shifter. Extremely common problem. Not an “electrical issue”. It’s a common fault that’s easily fixed.
Please tell me how to fix this
How do you fix it
I figured it out
You did
Same thing happened to my V it was a faulty module in the trunk
Which module specifically
???
Bad neutral safety switch and no comm with Ecu. As shown by no CEL.
Isn't that inside the transmission?
Shift linkage is bad
Should of bought a ford