4lo flashes

Hello everyone, Here's another 4Lo blinking thread! I read some of the other ones but looks like in all cases they all have DTCs. What I experiencing is this: 4Lo is off when I turn on the car. A couple of seconds to a couple of minutes after driving it starts blinking (no other lights, only...

My 2013 LC200has been trouble-free for 115k, but today the check engine light illuminated and the 4Lo flashes. My scan tool give a P0328 code. Condition is knock/combustion vibration sensor 1. Circuit High bank 1 or single sensor. I tightened the gas cap, erased the code, but it persistently...