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lexpert
lexpert, Lexus Master tech
Category: Lexus
Satisfied Customers: 2100
Experience:  Master Certified with lexus, 8 years experience with Lexus
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LS460 hard lock left and right. 2009 LS460 AWD, all fuses,

Customer Question

LS460 hard lock left and right.
JA: What is the model/year of your Lexus?
Customer: 2009 LS460 AWD
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: all fuses, ecu's check out, replaced rack from a salvage car hit in rear 60k miles. many heads being scratched including tech at dealer.
JA: Most vehicles have two fuse panels. Have you located both?
Customer: Try three and yes
JA: Anything else you want the mechanic to know before I connect you?
Customer: nope
Submitted: 4 months ago.
Category: Lexus
Expert:  Chris (aka - Moose) replied 4 months ago.

Welcome, I'm Chris (aka Moose). I'm here to help 365 days a year, but not every hour of the day. I try to prevent delays as much as possible. Please understand I am not there and can only advise based on what you tell me. Let's get started.

Can you go into more detail, not sure what hard lock left and right means?

Customer: replied 4 months ago.
Will not steer at all have rack out NOW on floor. Vice grip on pinion locked
Customer: replied 4 months ago.
What do you know about the eps system on the LS, I am sure it is not supposed to lock up. I now have two that locked.
Expert:  Chris (aka - Moose) replied 4 months ago.

An electronic steering gear will not move when manually turning the input. Did you use a scan tool to check the systems codes and electronics?

Customer: replied 4 months ago.
snap on, codes followed and cleared. so if car loses power it won't steer, I can see losing power steering to manual by not lock up?
Expert:  Chris (aka - Moose) replied 4 months ago.

Best I can tell from the diagrams, yes if electrical power is lost while driving the steering wheel will not turn. Losing electrical power while driving without prior noticed issues telling the driver to pull over are very rare.

Customer: replied 4 months ago.
We have looked at schematic also and did not come to that conclusion. Failsafe no power would allow manual steer. We can't figure out if in car hooked up or out on floor it is locked.
Expert:  Chris (aka - Moose) replied 4 months ago.

I will opt out so another can help, best of luck