TCU monitors status of "SCSV-A(S1) in order to maintain optimum gear shift.
TCU set this code, When Solenoid-valves are not working narmally.
Item
Detecting Condition
Possible Cause
DTC Strategy
? Check the signal
? Solenoid valve (S1)
? Wiring harness (S1)
? TCU
Enable Conditions
? Engine speed > 400rpm
? 10.2V < Battery voltage < 15.5V
? TCU communication = normal
? S1 output "ON" signal
Threshold Value
? To detect "OFF" signal(0V) of the S1 monitor, when S1 drive output "ON" signal(12V)
Diagnostic Time
? More than 5times × more than 0.1sec
Fail Safe
? Self learning control is inhibited
? Adaptive control is inhibited