GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460

Need help - communication failure

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Old 10-09-22, 04:08 AM
  #1  
leonzack
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Default Need help - communication failure

Hello, I have a 2008 Lexus GS300 after restyling.

I get an annoying error:- it comes and disappears on its own and it returns on its own.

I would appreciate your help if someone knew and was able to fix it.

Another thing - the moment the fault appears - the air conditioner stops cooling. As soon as the fault disappears - the air conditioner returns to cooling

code fails :
u0073
u0100
u0123
u0124
u0126


Old 03-06-24, 08:38 PM
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Yohane333
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Did you ever fix it? I have the same issue on my 2007 IS350. Thinking it’s the yaw rate sensor.
Old 03-07-24, 07:43 PM
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ibidu1
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Originally Posted by Yohane333
Did you ever fix it? I have the same issue on my 2007 IS350. Thinking it’s the yaw rate sensor.

More likely you have a voltage issue. Either alternator, bad battery, loose battery connection etc. If you have had the alternator replaced with a china alternator or any other then denso or oem alternators then I would suspect that.

When voltage drops, or gets a dip. High voltage parts go offline, like the electrical steering, abs braking etc. I would monitor voltage, while driving.

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