Been having this problem for a couple of months
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3rd Gear
Joined: Sep 2021
Posts: 3
Likes: 0
Been having this problem for a couple of months
So i have a problem
So my 06 tl for some strange reason wont start after two days ofnjust sitting in my drive way and it got to the point where i just gave up and got a new battery but now im having the same issue again
if i let the car sit for two days with out starting it, it will not turn on
The only thing I've done is disconnect the battery cables to check if it was my alternator but the car still runs fine even after i disconnect the cables
does anyone have any solutions to this problem or have ahd the same problem in the past and found a fix??
anything will help pls and thank you
So my 06 tl for some strange reason wont start after two days ofnjust sitting in my drive way and it got to the point where i just gave up and got a new battery but now im having the same issue again
if i let the car sit for two days with out starting it, it will not turn on
The only thing I've done is disconnect the battery cables to check if it was my alternator but the car still runs fine even after i disconnect the cables
does anyone have any solutions to this problem or have ahd the same problem in the past and found a fix??
anything will help pls and thank you
Three Wheelin'
Joined: Apr 2016
Posts: 1,552
Likes: 498
Not a good idea to run the car without battery. Computers don't like that.
Did you disconnect HFL? You know, the bluetooth module that will go bad in all TLs eventually. Most likely something draws power all the time (known as parasitic draw) and discharges the battery over time. Most common culprit is HFL, second most common is AC compressor clutch relay getting stuck (but that would discharge battery much faster than HFL).
Did you disconnect HFL? You know, the bluetooth module that will go bad in all TLs eventually. Most likely something draws power all the time (known as parasitic draw) and discharges the battery over time. Most common culprit is HFL, second most common is AC compressor clutch relay getting stuck (but that would discharge battery much faster than HFL).
Intermediate
Joined: Sep 2021
Posts: 33
Likes: 5
Not a good idea to run the car without battery. Computers don't like that.
Did you disconnect HFL? You know, the bluetooth module that will go bad in all TLs eventually. Most likely something draws power all the time (known as parasitic draw) and discharges the battery over time. Most common culprit is HFL, second most common is AC compressor clutch relay getting stuck (but that would discharge battery much faster than HFL).
Did you disconnect HFL? You know, the bluetooth module that will go bad in all TLs eventually. Most likely something draws power all the time (known as parasitic draw) and discharges the battery over time. Most common culprit is HFL, second most common is AC compressor clutch relay getting stuck (but that would discharge battery much faster than HFL).
Intermediate
Joined: Jul 2015
Posts: 41
Likes: 7
OP - I've had the same issue, chances is that something is drawing current from the battery while the car sits. I recommend to do a parasitic draw test on your car. However I'd recommend doing it after it's been sitting for a few hours. yYou can go from there to determine what is draining your car battery.
Pro
Joined: Jul 2017
Posts: 524
Likes: 158
From: NJ
OP - I've had the same issue, chances is that something is drawing current from the battery while the car sits. I recommend to do a parasitic draw test on your car. However I'd recommend doing it after it's been sitting for a few hours. yYou can go from there to determine what is draining your car battery.
^^This ^^
First disconnect your HFL since that's a known problematic battery drainer. I just disconnected mine like 3 weeks ago, and still my battery will drain if; A) I don't drive her for 2-3 days, AND B) now that it's getting colder in the winter. I was fine in the summer not driving for a couple days. So I think I still have some parasitic draw coming from somewhere.
My Fluke clamp meter just got delivered today and maybe this weekend I'll play around with it and see which circuit (hopefully) is drawing a current.
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