Notices
RX - 2nd Gen (2004-2009) Discussion topics related to the 2004 -2009 RX330, RX350 and RX400H models

2008 RX400h won't start when cold

Thread Tools
 
Search this Thread
 
Old Feb 19, 2026 | 08:52 AM
  #1  
MarkPoe's Avatar
MarkPoe
Thread Starter
5th Gear
 
Joined: Feb 2026
Posts: 5
Likes: 0
Default 2008 RX400h won't start when cold

I have a 2008 Lexus RX400h and when it is cold after first start won't restart without disconnecting battery for a few minutes. Says ACU issue on dash, does anyone know where it is located on my car?
Reply
Old Feb 20, 2026 | 05:40 AM
  #2  
highmile5's Avatar
highmile5
Rookie
 
Joined: Mar 2022
Posts: 45
Likes: 20
From: MO
Default

is there a check engine light and did you scan for codes?
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
JuanitoP
IS - 2nd Gen (2006-2013)
4
Mar 17, 2024 09:03 AM
USLEX
LS - 4th Gen (2007-2017)
53
Dec 29, 2023 01:05 PM
Boom1432
IS - 2nd Gen (2006-2013)
2
Sep 7, 2014 06:34 AM
Sentinels
GS - 3rd Gen (2006-2011)
79
Mar 29, 2008 02:21 PM
2008gsguy
GS - 3rd Gen (2006-2011)
3
Feb 8, 2008 07:23 AM




All times are GMT -7. The time now is 04:06 AM.