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1998 Lexus GS 400 Electrical problems overnight

Tiny
BROADWAYJOHNNY
  • MEMBER
  • 1998 LEXUS GS 400
  • 4.0L
  • V8
  • RWD
  • AUTOMATIC
  • 129,000 MILES
Got autostart installed everything was fine until a day later I wake up and autostart the car, a 98 lexus gs400,
Go to unlock the doors nothing, no response, so here's what's happening literally overnight.

Key fob does not lock/unlock the doors
Gas gauge flashing
Telescoping wheel doesent work
No heat/ac
Alarm goes off when u open the trunk/hood
Main window switch only opens drivers side
Car won't shift into drive or anything else without override
Power mode/snow does not work
I was told it's my door ecu but which one? Every door has a ecu I'm confused as why it just so happened overnight when I gir autostart installed, I'm making an appointment to get it taken out ASAP.
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Thursday, January 9th, 2014 AT 10:51 PM

5 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
All of these things don't happen over night. Therefore, I feel there is an issue with the system that was installed. It is difficult for me to pinpoint things because there are so many different types and brands when it comes to these things, and they are all designed differently and connect differently. When do you have it scheduled to be checked? My guess is they have changed something with the ignition itself.
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Friday, January 10th, 2014 AT 6:49 AM
Tiny
BROADWAYJOHNNY
  • MEMBER
  • 3 POSTS
I have an appointment Monday to get it taken out, he went over everything yesterday and checked every single fuse the ecu wires and they all check out good, I'm stumped, got up today to go to work and my battery is dead.
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Friday, January 10th, 2014 AT 11:28 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
He has something crossed that is causing the battery to go dead. If he can't fix it, I would make him remove it and give you your money back.
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Saturday, January 11th, 2014 AT 1:21 PM
Tiny
BROADWAYJOHNNY
  • MEMBER
  • 3 POSTS
Absolutely I agree, cause if lexus needs to do something serious, they don't want that bill, but unfortunately that's what would happen if they have to reword my car, I'm getting it out Monday, I will keep u post poned, thank u for your help, I bought a fresh battery to put in AFTER they yank this junk outta my car, I hope everything goes back to normal, I will let u know, thank u kindly sir.
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Saturday, January 11th, 2014 AT 5:54 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
I look forward to hearing from you.
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Sunday, January 12th, 2014 AT 5:48 PM

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