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So Friday I left my house and within a 3 mile drive, the code in the first picture randomly popped up twice and went off after a few seconds. When I got to where I was going, I attempted to lock my doors with the remote but it wouldn't work. About 5 hours later, I tried to crank it but it wouldn't crank until I jumped it off. I drove it back home and the one code came up a few more times, but this time the code in the second picture also popped up a few times and went off after a few seconds. Again the remote would not lock the doors when I got out. The next day it cranked with no problems and I drove it to the auto parts store to have it checked. Again the two codes popped up randomly during the drive. They said they couldn't do a computer check, since it wasn't displaying an actual check engine code but they checked the battery and said it was good. I haven't been able to get it to my mechanic yet but I plan to take it tomorrow. I thought I would run this by you guys to see if any of you have had similar issues or have any insight. This is a 2017 RX 350.
To me, all your problems point to a weak battery, but I don't know what kind of test they did to say the battery tested good. See what your mechanic says. Let us know.
Just ran into this issue with my 2021 RX. Found in other forums that most people commented likely power issue so when going to check the battery one of the terminal battery cables was loose and spun easily. Retightened the cable and have not seen the message reappear.
Steering Power Low code
