DTC Detection Logic

DTC	Trouble diagnosis name	DTC is detected if...	Possible cause
P0731	Gear 1 Incorrect Ratio	The gear ratio is: 5.069 or more 4.496 or less	Input clutch solenoid valve Direct clutch solenoid valve High and low reverse clutch solenoid valve Front brake solenoid valve Low brake solenoid valve 2346 brake solenoid valve Anti-interlock solenoid valve Each clutch and brake Output speed sensor Input speed sensor 1, 2 Hydraulic control circuit