3IS Battery Drain (merged threads)
Dealer called and said my gateway ECU replacement will be here in a few days. Lexus said that is what is causing the battery to drain. Will get it replaced in a few weeks and will test to see if it is the fix! fingers crossed. Its not the battery folks, its a software/hardware issue in the ECU according to Lexus.
I have a 13 ES350, have had problems from the start of buying this car with the battery dying! Lexus did install a battery tender for a temp. fix.
I have a 13 ES350, have had problems from the start of buying this car with the battery dying! Lexus did install a battery tender for a temp. fix.
Driver School Candidate
Joined: Nov 2014
Posts: 4
Likes: 0
From: Michigan
Batter Drain on my 2014 IS 350 F SPORT
I purchased my brand new 2014 IS 350 F Sport back in November 2013.I have experienced this battery drain 4 times ever since
Every time this has happened i have used the car the previous night and left it in my car port only to come back the following morning and realize my car wouldn't start.
I have had the same issues as others members have expressed with the rapid clicking noise and after the jump start the car works fine for a few months only to realize it happens again.
The third time this happened i had Lexus replace my old battery with a brand new interstate battery which obviously didn't resolve the issue
I have had the car for a little over a year now with 11500 miles on it and the car is currently at the dealership and they are inspecting it
The Service manager called me this afternoon advising that Lexus feels its an issue with the ECU and that replacing it would fix it.He said he will get the ECU on monday
Would be interesting to know if this resolves the issue i shall keep you all posted
Every time this has happened i have used the car the previous night and left it in my car port only to come back the following morning and realize my car wouldn't start.
I have had the same issues as others members have expressed with the rapid clicking noise and after the jump start the car works fine for a few months only to realize it happens again.
The third time this happened i had Lexus replace my old battery with a brand new interstate battery which obviously didn't resolve the issue
I have had the car for a little over a year now with 11500 miles on it and the car is currently at the dealership and they are inspecting it
The Service manager called me this afternoon advising that Lexus feels its an issue with the ECU and that replacing it would fix it.He said he will get the ECU on monday
Would be interesting to know if this resolves the issue i shall keep you all posted
I purchased my brand new 2014 IS 350 F Sport back in November 2013.I have experienced this battery drain 4 times ever since
Every time this has happened i have used the car the previous night and left it in my car port only to come back the following morning and realize my car wouldn't start.
I have had the same issues as others members have expressed with the rapid clicking noise and after the jump start the car works fine for a few months only to realize it happens again.
The third time this happened i had Lexus replace my old battery with a brand new interstate battery which obviously didn't resolve the issue
I have had the car for a little over a year now with 11500 miles on it and the car is currently at the dealership and they are inspecting it
The Service manager called me this afternoon advising that Lexus feels its an issue with the ECU and that replacing it would fix it.He said he will get the ECU on monday
Would be interesting to know if this resolves the issue i shall keep you all posted
Every time this has happened i have used the car the previous night and left it in my car port only to come back the following morning and realize my car wouldn't start.
I have had the same issues as others members have expressed with the rapid clicking noise and after the jump start the car works fine for a few months only to realize it happens again.
The third time this happened i had Lexus replace my old battery with a brand new interstate battery which obviously didn't resolve the issue
I have had the car for a little over a year now with 11500 miles on it and the car is currently at the dealership and they are inspecting it
The Service manager called me this afternoon advising that Lexus feels its an issue with the ECU and that replacing it would fix it.He said he will get the ECU on monday
Would be interesting to know if this resolves the issue i shall keep you all posted
Driver School Candidate
Joined: Nov 2014
Posts: 4
Likes: 0
From: Michigan
Hopefully replacing the ECU as pointed out by a few members is the one causing this drain which fixes it
Lead Lap
Joined: Nov 2001
Posts: 4,573
Likes: 83
From: CA, Mid OC
The first three times i faced this issue and i ensured the car got inspected at the dealership but they would also get back with a standard reply stating everything is working fine.As mentioned by another member earlier they told me that the car could be intercepting some signals from the security alarm system or any router because of which the computers in the vehicle are not going to sleep.
Hopefully replacing the ECU as pointed out by a few members is the one causing this drain which fixes it
Hopefully replacing the ECU as pointed out by a few members is the one causing this drain which fixes it
Pole Position
Joined: Sep 2014
Posts: 276
Likes: 0
From: Florida
I left mine sitting for 4 days and hooked up my battery charger because I was curious what it drained to. 75% (it started at 94% before I left it parked). I'm close to 2000 miles, this is unacceptable. Needless to say, ill bring this up at my 5000 mile service, or sooner if it drains lower and a tow truck is needed.
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Lexus Test Driver
Joined: Apr 2005
Posts: 1,419
Likes: 10
From: ON, Canada
Pole Position
Joined: Jan 2014
Posts: 204
Likes: 2
From: Texas
Rookie
Joined: May 2008
Posts: 31
Likes: 8
From: FL
'14 IS350 battery replaced twice
Just finding this thread so I'm glad to see I'm not the only one having this problem. My car died, sitting in the garage at 1900 miles. Lexus roadside assistance came out and replaced the battery. I'm of the opinion that a dead battery that is six months old needs to be replaced, not jumped. The guy that came out said we would be good friends as long as I own this car, he keeps spares in his vehicle for these cars. The new battery died at 2900 miles, again they came out and replaced it. Both times he said it was probably a bad cell. I'm taking it in this week to get checked out. I knkw I don't put a lot of miles on the car, 2900 in the first year, but my '11 IS250 got the same treatment and never had a problem. He did suggest always locking the doors, even in the garage, as this would alert me if there are any doors or anything open. Very strange!
Lexus Test Driver
Joined: Jun 2013
Posts: 916
Likes: 8
From: CA
It happened to me about a month ago for the 1st time after 18 months of ownership. The AAA guy (Lexus roadside assistance) did a diagnostic on the battery and said it was perfect. I got it charged and have been driving as usual since. I'm wondering if I left a streaming app like Spotify running which the car picked up on -- my house isn't big and sometimes Spotify keeps playing.