IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

Tranmsission Shot? (Won't Shift 4th+)

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Old 04-17-21, 06:32 PM
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SeanGZZY
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Default Tranmsission Shot? (Won't Shift 4th+)

Hi Guys,

I had a check engine light and Lexus told me I basically needed a new transmission. I drove the car for a while after, as they said the transmission is worth as much as the car. It now won't shift into 4th. Is the car toast?
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Rrestudill (04-21-21)
Old 04-17-21, 10:21 PM
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IS250DIYER
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No it's not shot. It may be as simple as a solenoid that needs to be replaced or it could be needing a whole new transmission. if you don't know how to do it yourself then you're definitely looking at a decent amount of money to get it fixed but if you can do it yourself it's doable.

Aathon H.
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Protholl (04-18-21)
Old 04-19-21, 07:56 AM
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GrizzlyMan
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check engine code?

maintenance history, any on transmission?
Old 04-21-21, 08:53 AM
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2013FSport
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Just don't make the assumption that that a code for solenoid (other than open, shorted) will fix it. The solenoids issue commands, the input/output sensors verify the action occurred. Just because the action didn't happen, doesn't mean a solenoid is responsible. It means it needs tested, verified to work or not work.
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