Why is my Acura TSX battery draining so fast?

My battery died after coming back from long vacation + cold weather. I decided to do a parasitic draw test and found the car draining at 0.2A after ~30s. Disconnected the HFL module, and did a battery upgrade, hopefully no winter downtime. HFL has been working fine, but I rarely used it, so I decided to just disconnect it.

Is there a recall on an Acura TSX?

I called a dealer just to see if there was any sort of open recalls regarding it and even though they see it on a regular basis Acura hasn’t really “addressed” it. My battery died after coming back from long vacation + cold weather. I decided to do a parasitic draw test and found the car draining at 0.2A after ~30s.

Is there a drain problem in my battery?

I am having a parasitic drain problem. So heres the story, i would wake up every morning and my car is dead. I took it to an auto shop and they check the battery and the alternator, both are good.

Where is the HFL on an Acura TSX?

So the main suspect is HFL for now. Trying to find where is it in 2008. Found a picture that shows HFL in 2004 located under console cover near of parking brake, will look there first. To be continued… Continue… I tried to locate HFL to turn it off and surprisingly could not find it.

Is there a battery drain problem on an Acura TSX?

I’ve seen a few 3G TL’s with this problem where the unit goes bad and as a result has a constant parasitic draw. Sorry to bump the old thread, but I had exactly the same leak through fuses 6 and 7 in 2008 TSX. The combine leak is about 900 mA, ~700 through fuse #6 and ~200 through #7.

I am having a parasitic drain problem. So heres the story, i would wake up every morning and my car is dead. I took it to an auto shop and they check the battery and the alternator, both are good.

So the main suspect is HFL for now. Trying to find where is it in 2008. Found a picture that shows HFL in 2004 located under console cover near of parking brake, will look there first. To be continued… Continue… I tried to locate HFL to turn it off and surprisingly could not find it.

Why is my Acura radio asking for code?

If so, you’ve likely experienced your radio asking for a code to reactivate. While this can be frustrating, the code is quite easy to find and to enter. Plus, this deactivation measure is a safe guard that discourages thieves from targeting Acura vehicles to steal stereo systems.

My battery died after coming back from long vacation + cold weather. I decided to do a parasitic draw test and found the car draining at 0.2A after ~30s. Disconnected the HFL module, and did a battery upgrade, hopefully no winter downtime. HFL has been working fine, but I rarely used it, so I decided to just disconnect it.

I called a dealer just to see if there was any sort of open recalls regarding it and even though they see it on a regular basis Acura hasn’t really “addressed” it. My battery died after coming back from long vacation + cold weather. I decided to do a parasitic draw test and found the car draining at 0.2A after ~30s.

If so, you’ve likely experienced your radio asking for a code to reactivate. While this can be frustrating, the code is quite easy to find and to enter. Plus, this deactivation measure is a safe guard that discourages thieves from targeting Acura vehicles to steal stereo systems.