marieshadow1
Lexus LX transmission oil pressure fault
Summary of the thread
The 2006 Lexus LX is experiencing a transmission oil pressure sensor fault, indicated by the engine and transmission lights, along with symptoms like slipping or rough shifting. The issue is likely due to low gearbox oil, which can trigger the sensor and cause shifting problems. The recommended solution is to check and top off the gearbox oil, preferably at a workshop due to the lack of a dipstick and the complexity of the task. After addressing the oil level and replacing the sensor, the vehicle should operate smoothly.
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4 comment(s)
marieshadow1 (community.author)
Limp mode is exactly what's happening! Where exactly did you check the oil level? And how much of a pain was it to get to? Is there a dipstick or do you have to get under the vehicle?
andreasphoenix77
Sounds like the same headache I had. There's no dipstick, you have to get under the vehicle. Honestly, it's a bit of a messy job and you need some specific tools, so I ended up just taking it to a workshop. They found the oil level was indeed low, topped it off, and that fixed the oil pressure sensor fault. They cleared the codes and it's been running fine ever since.
marieshadow1 (community.author)
Thanks for the help! Took it to the workshop and you were spot on. Gearbox oil was low. They topped it up and replaced the oil sensor for 365€. Runs like a dream now!
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LEXUS
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LX
andreasphoenix77
I had something similar happen with my LX. Is it going into some sort of limp mode, where it barely wants to shift? I'd check the gearbox oil level, first thing. Low oil can definitely trigger that sensor and cause all sorts of weird shifting issues.