The solenoid valve is built in the KIBS Hydraulic Unit [A].
Therefore the solenoid valve cannot be checked directly.
If any of these service codes appears even if all checks are ended, replace the KIBS hydraulic unit
If the service code does not appear, the KIBS system normal (temporary failure).

KIBS Solenoid Valve Relay Inspection (Service Code b 19)ECU Communication Error (Service Code 39)
ECU Communication Line Inspection
When the data is not sent from the ECU to the meter unit
for more than about 10 seconds, the service code 39 is
displayed.
The data is sent through the CAN communication line.
The service code 39 is detected with the meter unit.
When the user mode, this commun ...
Fuel Tank and Cap Inspection
Visually inspect the gasket [A] on the tank cap for any
damage.
Replace the gasket if it is damaged.
Check to see if the water drain pipe [B] and fuel breather
pipe [C] in the tank are not clogged. Check the tank cap
breather also.
If they are clogged, remove the tank and drain it ...
What Am I Responsible For?
You are responsible for maintaining your vehicle according to the maintenance
schedule shown in this owner’s manual.
You are responsible for notifying your dealer immediately if there is a problem,
and you, as the owner, will need to authorize the dealer to inspect the unit.
You will be re ...