Monitor Description
WARNING: This page is about a different car, the 2017 Lexus RC 350, 2016 Lexus RC 350, and 2015 Lexus RC 350. However, it is still accessible from the selected car via links, so may be relevant.
These DTCs indicate an open or short in the shift solenoid valve SL1, 2, 3, 4 and 5 circuit. The TCM commands gear shifts by turning the shift solenoid valves ON/OFF. When there is an open or short circuit in any shift solenoid valve circuit, the TCM detects the problem, illuminates the MIL and stores a DTC.
The TCM performs the fail-safe function and turns the other normal shift solenoid valves ON/OFF. In case of an open or short circuit, the TCM stops sending current to the open or short circuited solenoid.