Kia Optima: Valve Body. Description and OperationDescription
The valve body is essential to automatic transaxle control and consists of various valves used to control the oil feed from the oil pump. Specifically, these valves consist of pressure regulator valves, oil redirection valves, shift valves, and manual valves. The body also features electronic solenoid valves that ensure smooth gear changes.

Replacement
Valve Body. Components and Components LocationInspection
1.
Insert a thin stick (A) into the PCV valve (B) from
the threaded side to check that there is the plunger movement.
...
Teaching Procedures
1.
Key Teaching ProcedureKey
teaching must be done after replacing a defective PCM(ECM) or when providing
additional keys to the vehicle owner.
The procedure starts with an PC ...
Anti-Lock Brake System (ABS) Warning Light
This light illuminates
when you start the engine. The light will go off if the ABS is operating normally.
Also, this light comes on if the key is turned to ON, and then goes off in 2-3 seconds
i ...