vsc lights

Hi all, I drive a 2006 LX470 with 240,000 miles. A few days ago after starting the engine, I would hear an odd humming sound which would Go away about 1 minute later. Then, yesterday my CEL, VSC TRAC, and VSC OFF lights came on and I also noticed the car would not accelerate properly, as in it...

Hi all, Posting my successful process of clearing my P0430 code on my 2003 LC. awhile back I would get the CE, VSC lights that would stay on for a bit then go away. About 6months ago they came on and stayed on. When I got my oil changed I had my mechanic diagnose it and it was in fact the...

I posted this in the 80 Series earliey mistake as the issue was similar when I searched my problem. - that link is below if needed. However here is the timeline of events. Friday -washed truck ( touchless drive through ) then drove truck 75 miles from 8F to ski mountain where overnight temps...

Is there a HAC (High Altitude Compensation) circuit on these trucks? Or atmospheric pressure sensor? And if so, does anyone have a pic from the FSM that shows the components in the circuit? The issue is that above 9000 ft, the VSC and check engine lights come on, then go back off when I go to...